# VDR US 10D 4500A 320V STLDS BULK E3 82AC8702

![Product image](https://novapart.co/image/farnell:3103429/)

**URL**: https://novapart.co/products/VDRUS10T320BSE./vdr-us-10d-4500a-320v-stlds-bulk-e3-82ac8702
**SKU**: VDRUS10T320BSE.
**Manufacturer**: VISHAY
**Category**: Circuit Protection || TVS - Transient Voltage Suppressors || TVS Varistors
**Price**: €0.4850
**Stock**: 1000+
**Lead Time**: 123 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Product Range | VDRUS Series |
| Varistor Type | Metal Oxide Varistor (MOV) |
| Voltage Rating Vac | 320V |
| Voltage Rating Vdc | 420V |
| Varistor Case Style | Disc 10mm |
| Clamping Voltage Vc Max | 510VDC |
| Peak Energy (10/1000Us) | 107J |
| Operating Temperature Max | 125°C |
| Operating Temperature Min | -40°C |
| Peak Surge Current @ 8/20Μs | 4.5kA |
| Automotive Qualification Standard | - |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3103429/)

## **VDRUS Series** Vishay BCcomponents 

## www.vishay.com Vishay BCcomponents a ~~a~~ **VDR Metal Oxide Varistors Ultra Surge High Operating Temperature 125 °C** 

## **FEATURES** 

- Low β high purity zinc oxide disc 

- Halogen free high temperature resistant silicone coated 

- Straight or kinked leads 

- Ultra high current surge/size ratio capability up to 13 kA for US20 types 

- Certified for operation up to 125 °C according to UL 1449 edition 4, VDE/IEC 61051-1/2 

REG F313 

## **LINKS TO ADDITIONAL RESOURCES** 

32 3D Models Design Tools Models 

|**QUICK REFERENCE DATA**|**QUICK REFERENCE DATA**|**QUICK REFERENCE DATA**|
|---|---|---|
|**PARAMETER**|**VALUE**|**UNIT**|
|Maximum continuous voltage in<br>operating temperature range:<br>RMS<br>DC|115 to 680<br>150 to 895|V<br>V|
|Maximum non-repetitive transient<br>current INRP (8 x 20μs)|1800 to 13 000|A|
|Maximum energy<br>(10/1000μs)|19 to 720|J|
|Detailed specification|Based on<br>IEC 61051-1<br>IEC 61051-2<br>IEC 61051-2-2||
|Storage temperature|-40 to +150|°C|
|Operatingtemperature|-40 to +125|°C|



## **ORDERING INFORMATION** 

The varistors are available in a number of packaging options: 

- Bulk 

- On tape on reel 

- On tape in ammopack 

The basic ordering code for each option is given in tables titled Varistors on Tape on Reel, Varistors on Tape in Ammopack, and Varistors in Bulk. To complete the catalog number and to determine the required operating parameters, see Electrical Data and Ordering Information table. 

## **Note** 

- Special lead-configuration as inside or outside crimped leads available upon request 

- Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 

## **APPLICATION** 

- Overvoltage and transient voltage protection 

## **DESCRIPTION** 

The varistors consist of a disc of low-ß ceramic material with two solid copper leads (US20 types only) or copper clad steel wire. The wires have a matte tin plating. They are coated with UL 94 V-0 approved silicone lacquer, which provides electrical, mechanical and climatic protection. 

## **MOUNTING** 

The varistors are suitable for hand-mounting (bulk) or automatic pick and place mounting (T and R). The parts can be connected by wave soldering and pin-in-paste reflow soldering under defined process conditions. Bending of the leads for different angle placement is not recommended. 

## **Typical Soldering** 

235 °C, duration: 5 s (Pb-bearing) 245 °C, duration: 5 s (lead (Pb)-free) 

## **Resistance to Soldering Heat** 

260 °C, duration: 10 s max. 

## **MARKING** 

The varistors are marked with the following information: 

- Maximum continuous RMS voltage with - U suffix 

- Series numbers 

- 572 for VDRUS07 

- 573 for VDRUS10 

- 575 for VDRUS14 

- 576 for VDRUS20 

- Manufacture logo 

- Date of manufacture (YYWW) 

- Safety marks on VDRUS10-14-20 types 

## **AGENCY APPROVALS** 

- cUL certificate 

- ULus certificate 

- VDE certificate 

## **Note** 

## **INFLAMMABILITY** 

The varistors are passive non-flammable. The encapsulation is made of flame resistant silicone in accordance with UL 94 V-0. 

- Agency approval documents, please see: www.vishay.com/ppg?29185&documents 

Revision: 18-Oct-2021 

Document Number: 29185 

**1** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

www.vishay.com 

## Vishay BCcomponents 

## **ELECTRICAL DATA AND ORDERING INFORMATION** 

|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|
|---|---|---|---|---|---|---|---|---|---|---|---|
|**MAXIMUM**<br>**CONTINUOUS**<br>**VOLTAGE**||**VOLTAGE**<br>**AT 1 mA(3)**|**MAXIMUM**<br>**VOLTAGE**<br>**AT STATED**<br>**CURRENT**||**MAXIMUM**<br>**ENERGY(4)**<br>**(10 x 1000 μs)**|**MAXIMUM**<br>**NON-REP.**<br>**TRANSIENT**<br>**CURRENT(5)**<br>**INRP**<br>**(8 x 20 μs)**|**NOMINAL**<br>**DISCHARGE**<br>**CURRENT(7)**|**TYPICAL**<br>**CAPACITANCE**<br>**AT 1 kHz**|**T**<br>**(MAX.)**|**E**|**CATALOG**<br>**NUMBERS(1)**|
|**RMS(2)**<br>**(V)**|**DC**<br>**(V)**|**(V)**|**V**<br>**(V)**|**I**<br>**(A)**|**(J)**|**(A)**|**(kA)**|**(pF)**|**(mm)**|**(mm)**|**SAP(6)**|
|115|150|180|300|10.0|19|1800|1|390|3.6|0.9 ± 0.3|VDRUS07M115xyE|
||||300|25.0|47|4500|2|680|4.0|1.1 ± 0.3|VDRUS10T115xyE|
||||300|50.0|65|8000|3|1320|4.0|1.1 ± 0.3|VDRUS14X115xyE|
||||300|100.0|152|13 000|5|2640|4.4|1.3 ± 0.3|VDRUS20Z115ByE|
|130|170|205|340|10.0|21|1800|1|320|3.8|1.0 ± 0.3|VDRUS07M130xyE|
||||340|25.0|52|4500|2|580|4.3|1.2 ± 0.3|VDRUS10T130xyE|
||||340|50.0|82|8000|3|1050|4.3|1.2 ± 0.3|VDRUS14X130xyE|
||||340|100.0|175|13 000|5|2100|4.8|1.4 ± 0.3|VDRUS20Z130ByE|
|140|180|220|360|10.0|23|1800|1|290|3.9|1.0 ± 0.3|VDRUS07M140xyE|
||||360|25.0|58|4500|2|540|4.3|1.2 ± 0.3|VDRUS10T140xyE|
||||360|50.0|90|8000|3|950|4.3|1.2 ± 0.3|VDRUS14X140xyE|
||||360|100.0|185|13 000|5|1900|4.8|1.5 ± 0.3|VDRUS20Z140ByE|
|150|200|240|395|10.0|25|1800|1|270|4.1|1.1 ± 0.3|VDRUS07M150xyE|
||||395|25.0|64|4500|2|490|4.3|1.3 ± 0.3|VDRUS10T150xyE|
||||395|50.0|98|8000|3|850|4.3|1.3 ± 0.3|VDRUS14X150xyE|
||||395|100.0|198|13 000|5|1700|4.8|1.5 ± 0.3|VDRUS20Z150ByE|
|175|225|275|455|10.0|28|1800|1|230|4.1|1.3 ± 0.3|VDRUS07M175xyE|
||||455|25.0|67|4500|2|430|4.9|1.5 ± 0.3|VDRUS10T175xyE|
||||455|50.0|116|8000|3|750|4.9|1.5 ± 0.3|VDRUS14X175xyE|
||||455|100.0|220|13 000|5|1500|4.9|1.7 ± 0.3|VDRUS20Z175ByE|
|195|250|300|505|10.0|32|1800|1|210|4.3|1.4 ± 0.8|VDRUS07M195xyE|
||||505|25.0|70|4500|2|380|5.1|1.6 ± 0.8|VDRUS10T195xyE|
||||505|50.0|128|8000|3|690|5.1|1.6 ± 0.8|VDRUS14X195xyE|
||||505|100.0|245|13 000|5|1350|5.1|1.9 ± 0.8|VDRUS20Z195ByE|
|210|275|330|550|10.0|34|1800|1|190|4.4|1.6 ± 0.8|VDRUS07M210xyE|
||||550|25.0|72|4500|2|350|5.3|1.8 ± 0.8|VDRUS10T210xyE|
||||550|50.0|140|8000|3|610|5.3|1.8 ± 0.8|VDRUS14X210xyE|
||||550|100.0|268|13 000|5|1250|5.3|2.0 ± 0.8|VDRUS20Z210ByE|
|230|300|360|595|10.0|37|1800|1|170|4.6|1.7 ± 0.8|VDRUS07M230xyE|
||||595|25.0|76|4500|2|320|5.4|1.9 ± 0.8|VDRUS10T230xyE|
||||595|50.0|158|8000|3|540|5.4|1.9 ± 0.8|VDRUS14X230xyE|
||||595|100.0|315|13 000|5|1100|5.4|2.2 ± 0.8|VDRUS20Z230ByE|
|250|320|390|650|10.0|40|1800|1|160|4.8|1.9 ± 0.8|VDRUS07M250xyE|
||||650|25.0|82|4500|2|300|5.5|2.1 ± 0.8|VDRUS10T250xyE|
||||650|50.0|170|8000|3|480|5.5|2.1 ± 0.8|VDRUS14X250xyE|
||||650|100.0|350|13 000|5|960|5.5|2.3 ± 0.8|VDRUS20Z250ByE|
|275|350|430|710|10.0|46|1800|1|140|4.9|2.0 ± 0.8|VDRUS07M275xyE|
||||710|25.0|93|4500|2|270|6.3|2.2 ± 0.8|VDRUS10T275xyE|
||||710|50.0|185|8000|3|440|5.3|2.2 ± 0.8|VDRUS14X275xyE|
||||710|100.0|380|13 000|5|900|5.8|2.5 ± 0.8|VDRUS20Z275ByE|
|300|385|470|775|10.0|49|1800|1|130|5.1|2.2 ± 0.8|VDRUS07M300xyE|
||||775|25.0|99|4500|2|240|6.5|2.4 ± 0.8|VDRUS10T300xyE|
||||775|50.0|205|8000|3|400|5.5|2.4 ± 0.8|VDRUS14X300xyE|
||||775|100.0|405|13 000|5|810|5.9|2.7 ± 0.8|VDRUS20Z300ByE|
|320|420|510|842|10.0|54|1800|1|120|5.5|2.4 ± 0.8|VDRUS07M320xyE|
||||842|25.0|107|4500|2|220|7.0|2.6 ± 0.8|VDRUS10T320xyE|
||||842|50.0|220|8000|3|370|6.0|2.6 ± 0.8|VDRUS14X320xyE|
||||842|100.0|445|13 000|5|750|6.3|2.9 ± 0.8|VDRUS20Z320ByE|



Revision: 18-Oct-2021 

Document Number: 29185 

**2** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

www.vishay.com 

## Vishay BCcomponents 

## **ELECTRICAL DATA AND ORDERING INFORMATION** 

|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|**ELECTRICAL DATA AND ORDERING INFORMATION**|
|---|---|---|---|---|---|---|---|---|---|---|---|
|**MAXIMUM**<br>**CONTINUOUS**<br>**VOLTAGE**||**VOLTAGE**<br>**AT 1 mA(3)**|**MAXIMUM**<br>**VOLTAGE**<br>**AT STATED**<br>**CURRENT**||**MAXIMUM**<br>**ENERGY(4)**<br>**(10 x 1000 μs)**|**MAXIMUM**<br>**NON-REP.**<br>**TRANSIENT**<br>**CURRENT(5)**<br>**INRP**<br>**(8 x 20 μs)**|**NOMINAL**<br>**DISCHARGE**<br>**CURRENT(7)**|**TYPICAL**<br>**CAPACITANCE**<br>**AT 1 kHz**|**T**<br>**(MAX.)**|**E**|**CATALOG**<br>**NUMBERS(1)**|
|**RMS(2)**<br>**(V)**|**DC**<br>**(V)**|**(V)**|**V**<br>**(V)**|**I**<br>**(A)**|**(J)**|**(A)**|**(kA)**|**(pF)**|**(mm)**|**(mm)**|**SAP(6)**|
|350|460|560|920|10.0|55|1800|1|110|5.8|2.7 ± 0.8|VDRUS07M350xyE|
||||920|25.0|113|4500|2|200|7.1|2.9 ± 0.8|VDRUS10T350xyE|
||||920|50.0|240|8000|3|320|6.1|2.9 ± 0.8|VDRUS14X350xyE|
||||920|100.0|475|13 000|5|650|6.5|3.2 ± 0.8|VDRUS20Z350ByE|
|385|505|620|1025|10.0|59|1800|1|95|6.0|3.0 ± 0.8|VDRUS07M385xyE|
||||1025|25.0|125|4500|2|180|7.5|3.2 ± 0.8|VDRUS10T385xyE|
||||1025|50.0|250|8000|3|280|6.5|3.2 ± 0.8|VDRUS14X385xyE|
||||1025|100.0|490|13 000|5|570|6.8|3.5 ± 0.8|VDRUS20Z385ByE|
|420|560|680|1120|10.0|62|1800|1|85|6.3|3.2 ± 0.8|VDRUS07M420xyE|
||||1120|25.0|128|4500|2|165|7.7|3.4 ± 0.8|VDRUS10T420xyE|
||||1120|50.0|260|8000|3|250|6.7|3.4 ± 0.8|VDRUS14X420xyE|
||||1120|100.0|500|13 000|5|510|7.1|3.7 ± 0.8|VDRUS20Z420ByE|
|460|615|750|1290|5.0|66|1800|1|30|6.6|3.6 ± 0.8|VDRUS07M460xyE|
||||1240|25.0|134|4500|2|150|8.0|3.8 ± 0.8|VDRUS10T460xyE|
||||1240|50.0|270|8000|3|225|7.0|3.8 ± 0.8|VDRUS14X460xyE|
||||1240|100.0|525|13 000|5|450|7.5|4.1 ± 0.8|VDRUS20Z460ByE|
|485|640|780|1290|10.0|68|1800|1|65|6.8|3.7 ± 0.8|VDRUS07M485xyE|
||||1290|25.0|139|4500|2|145|8.3|3.9 ± 0.8|VDRUS10T485xyE|
||||1290|50.0|274|8000|3|220|7.3|3.9 ± 0.8|VDRUS14X485xyE|
||||1290|100.0|530|13 000|5|400|7.6|4.2 ± 0.8|VDRUS20Z485ByE|
|510|670|820|1355|10.0|71|1800|1|62|7.0|3.9 ± 0.8|VDRUS07M510xyE|
||||1355|25.0|146|4500|2|135|8.5|4.1 ± 0.8|VDRUS10T510xyE|
||||1355|50.0|280|8000|3|220|7.5|4.1 ± 0.8|VDRUS14X510xyE|
||||1355|100.0|545|13 000|5|400|7.9|4.4 ± 0.8|VDRUS20Z510ByE|
|550|745|910|1500|25.0|152|4500|2|120|8.9|4.5 ± 0.8|VDRUS10T550xyE|
||||1500|50.0|295|8000|3|180|7.9|4.5 ± 0.8|VDRUS14X550xyE|
||||1500|100.0|595|13 000|5|320|8.3|4.9 ± 0.8|VDRUS20Z550ByE|
|625|825|1000|1650|25.0|170|4500|2|105|9.4|5.0 ± 0.8|VDRUS10T625ByE|
||||1650|50.0|335|8000|3|165|8.4|5.0 ± 0.8|VDRUS14X625ByE|
||||1650|100.0|650|13 000|5|280|8.8|5.3 ± 0.8|VDRUS20Z625ByE|
|680|895|1100|1815|25.0|180|4500|2|80|10.8|5.4 ± 0.8|VDRUS10T680ByE|
||||1815|50.0|360|8000|3|150|9.8|5.4 ± 0.8|VDRUS14X680ByE|
||||1815|100.0|720|13 000|5|250|10.2|5.8 ± 0.8|VDRUS20Z680ByE|



## **Notes** 

> (1) The products are certified according to cULus (E332800), and VDE (40051495). See Agency Approval section on page1 for certificate download section 

> (2) The sinusoidal voltage is assumed as the normal operating condition. If a non-sinusoidal voltage is present, type selection should be based on multiplying the peak voltage by a factor of 0.707 

> (3) The voltage measured at 1 mA meets the requirements of IEC 61051. The tolerance on the voltage at 1 mA is ± 10 % 

> (4) High energy surges are generally of longer duration. The maximum energy for one pulse of 10 x 1000 μs is given as a reference for longer duration pulses. This pulse can be characterized by peak current (Ip) and pulse width t2 (virtual time of half Ip value). If Vp is the clamping voltage corresponding to Ip, the energy absorbed in the varistor is determined by the formula: 

E = K x Vp x Ip x t2 where K is dependent on the value of t2 (see Peak Current as a Function of Pulse Width drawing) (5) A current wave of 8 x 20 μs is used as a standard for pulse current and clamping voltage ratings. The maximum non-repetitive transient current is given for one pulse applied during the life of the component 

> (6) For composition of the SAP part number: 

Replace “y” by S for straight leads 

Replace “x” by B for bulk type 

for kinked leads (bulk only) 

T for tape and reel K A for tape and ammopack L 

K 

L for kinked leads with H0 = 16 mm (tape and reel/ammo) M for kinked leads with H0 = 18.25 mm (tape and reel/ammo) 

> (7) All varistors are UL1449 edition 4 recognized as SPD type 5 (component level) for operating temperatures up to 125 °C. The varistors may be used in other SPD types as 2, 3, or 4 depending on the indicated nominal discharge current ratings. The final acceptance of the component is dependent upon its installation and use in complete equipment submitted to Underwriters Laboratories Inc. 

Revision: 18-Oct-2021 

Document Number: 29185 

**3** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

Vishay BCcomponents 

www.vishay.com 

## **ELECTRICAL CHARACTERISTICS** 

|**ELECTRICAL DATA**|**ELECTRICAL DATA**|**ELECTRICAL DATA**|
|---|---|---|
|**PARAMETER**|**VALUE**|**UNIT**|
|Maximum continuous voltage:<br>RMS<br>DC|115 to 680<br>150 to 895|V<br>V|
|Maximum non-repetitive transient current (INRP) (8 x 20 μs)<br>VDRUS07<br>VDRUS10<br>VDRUS14<br>VDRUS20|1800<br>4500<br>8000<br>13 000|A<br>A<br>A<br>A|
|Thermal resistance:<br>VDRUS07<br>VDRUS10<br>VDRUS14<br>VDRUS20|≈70<br>≈60<br>≈50<br>≈40|K/W<br>K/W<br>K/W<br>K/W|
|Maximum dissipation:<br>VDRUS07<br>VDRUS10<br>VDRUS14<br>VDRUS20|250<br>400<br>600<br>1000|mW<br>mW<br>mW<br>mW|
|Temperature coefficient of voltage at 1 mA maximum|± 0.05|%/K|
|Voltageproof between interconnected leads and case|1000|V|
|Storage temperature<br>Operatingtemperature|-40 to +150<br>-40 to +125|°C<br>°C|



## **DERATING CURVE** 

**==> picture [218 x 127] intentionally omitted <==**

**----- Start of picture text -----**<br>
Maximum Voltage<br>Maximum Dissipation<br>Maximum Energy<br>Maximum Transient Current<br>100 %<br>0<br>- 40 125 Tamb (°C) 150<br>**----- End of picture text -----**<br>


## **PEAK CURRENT AS A FUNCTION OF PULSE WIDTH** 

**==> picture [162 x 133] intentionally omitted <==**

**----- Start of picture text -----**<br>
I<br>(%)p t2 (µs) K<br>20 1<br>100 50 1.2<br>90 100 1.3<br>1000 1.4<br>50<br>10<br>0<br>t1 t (µs)<br>t2<br>**----- End of picture text -----**<br>


|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|**COMPONENT DIMENSIONS(BULK TYPE) **in millimeters**AND CATALOG NUMBERS**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**D MAX.**||**A MAX.**||**A0 MAX.**||**L MIN.**|**T(1)**<br>**MAX**<br>**.**|**E(1)**|**d**|**F**|**CATALOG**<br>**NUMBER**|**MARKING**<br>**NUMBER**|
|**V**≤**320 V **|**V > 320 V **|**V**≤**300 V **|**V > 300 V **|**V**≤**320 V **|**V > 320 V**||||||||
|9.0||11.0||13.0||24.0|7.0|0.7 to 3.9|0.6 ± 0.05|5 ± 1.0|VDRUS07|572|
|12.0|12.5|14.5|15.5|16.5|17.0|24.0|10.8|0.9 to 5.4|0.8 ± 0.05|7.5 ± 1.0|VDRUS10|573|
|16.0|16.5|19.0||21.0|21.5|24.0|9.8|0.9 to 5.4|0.8 ± 0.05|7.5 ± 1.0|VDRUS14|575|
|22.5|23.0|25.5||27.5|28.0|24.0|10.2|1.1 to 5.8|1.0 ± 0.05|10 ± 1.0|VDRUS20|576|



## **Note** 

> (1) Tmax. and E values per size and voltage level can be found back in the Electrical Data table 

Revision: 18-Oct-2021 

Document Number: 29185 

**4** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

www.vishay.com 

## Vishay BCcomponents 

|**VARISTORS IN BULK**|**VARISTORS IN BULK**|**VARISTORS IN BULK**|**VARISTORS IN BULK**|**VARISTORS IN BULK**|
|---|---|---|---|---|
|**TYPE**|**VDRUS07**<br>**Ø 7 mm**<br>**115 V to 510 V**|**VDRUS10**<br>**Ø 10 mm**<br>**115 V to 680 V**|**VDRUS14**<br>**Ø 14 mm**<br>**115 V to 680 V**|**VDRUS20**<br>**Ø 20 mm**<br>**115 V to 680 V**|
|Straight leads; see outline of components<br>with straight leads drawing|BSE|BSE|BSE|BSE|
|Kinked leads; see outline of components<br>with kinked leads drawing|BKE|BKE|BKE|BKE|
|**Packaging quantities**|||||
|115 V to 300 V|250|200|100|50|
|320 V to max. V|250|100|100|50|



## **DIMENSIONS** in millimeters: see Component Dimensions and Electrical Data table 

**OUTLINE** of Component with Straight Leads 

**OUTLINE** of Component with Kinked Leads 

**==> picture [134 x 142] intentionally omitted <==**

**----- Start of picture text -----**<br>
D T<br>A<br>d<br>L<br>F E<br>**----- End of picture text -----**<br>


**==> picture [140 x 145] intentionally omitted <==**

**----- Start of picture text -----**<br>
D T<br>A0<br>F<br>L<br>d<br>**----- End of picture text -----**<br>


Revision: 18-Oct-2021 

Document Number: 29185 

**5** For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

www.vishay.com 

## Vishay BCcomponents 

|**VARISTORS ON TAPE IN AMMOPACK**|**VARISTORS ON TAPE IN AMMOPACK**|**VARISTORS ON TAPE IN AMMOPACK**|**VARISTORS ON TAPE IN AMMOPACK**|
|---|---|---|---|
|**TYPE**|**VDRUS07**<br>**Ø 7 mm**<br>**115 V to 510 V**|**VDRUS10**<br>**Ø 10 mm**<br>**115 V to 550 V**|**VDRUS14**<br>**Ø 14 mm**<br>**115 V to 550 V**|
|Straight leads<br>H = 18 mm<br>H = 20 mm<br>See drawing: taped version with straight leads|-<br>ASE|-<br>ASE|ASE<br>-|
|Kinked leads<br>H0= 18.25 mm<br>H0= 16 mm<br>See drawing: taped version with kinked leads|AME<br>ALE|AME<br>ALE|AME<br>ALE|
|**Packaging quantities**||||
|115 V to 210 V|1500|500|500|
|230 V to 510 V|1000|500|500|
|550 V|-|400|400|



## **DIMENSIONS OF AMMOPACK** in millimeters 

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**----- Start of picture text -----**<br>
52 or 55 max.<br>340 max.<br>250<br>max.<br>**----- End of picture text -----**<br>


Revision: 18-Oct-2021 

Document Number: 29185 

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For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

www.vishay.com 

## Vishay BCcomponents 

|**VARISTORS ON TAPE AND REEL**|**VARISTORS ON TAPE AND REEL**|**VARISTORS ON TAPE AND REEL**|**VARISTORS ON TAPE AND REEL**|
|---|---|---|---|
|**TYPE**|**VDRUS07**<br>**Ø 7 mm**<br>**115 V to 510 V**|**VDRUS10**<br>**Ø 10 mm**<br>**115 V to 550 V**|**VDRUS14**<br>**Ø 14 mm**<br>**115 V to 550 V**|
|Straight leads<br>H = 18 mm<br>H = 20 mm<br>See drawing: taped version with straight leads|-<br>TSE|-<br>TSE|TSE<br>-|
|Kinked leads<br>H0= 18.25 mm<br>H0= 16 mm<br>See drawing: taped version with kinked leads|TME<br>TLE|TME<br>TLE|TME<br>TLE|
|**Packaging quantities**||||
|115 V to 250 V|1500|1000|750|
|275 V to 300 V|1500|500|750|
|320 V to max. V|1000|500|500|



## **PACKAGING** 

## **TAPED VERSION WITH STRAIGHT LEADS** (only for VDRUS07) 

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**----- Start of picture text -----**<br>
P<br>T<br>D Δ p Δ p Δ h Δ h<br>A<br>d<br>F W2 H<br>W0 W1 W<br>P0 P1 D0<br>T1 t<br>L<br>**----- End of picture text -----**<br>


## **TAPED VERSION WITH STRAIGHT LEADS** (only for VDRUS10 and VDRUS14) 

**==> picture [238 x 153] intentionally omitted <==**

**----- Start of picture text -----**<br>
P<br>T<br>D Δ p Δ p Δ h Δ h<br>A<br>d W2<br>H<br>W0 W1 W<br>F P1 P0 D0<br>T1 t<br>**----- End of picture text -----**<br>


Revision: 18-Oct-2021 

Document Number: 29185 

**7** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

www.vishay.com 

## Vishay BCcomponents 

**TAPED VERSION WITH KINKED LEADS** (only for VDRUS07) 

**TAPED VERSION WITH KINKED LEADS** (only for VDRUS10 and VDRUS14) 

**==> picture [235 x 143] intentionally omitted <==**

**----- Start of picture text -----**<br>
P<br>D Δ p Δ p Δ h T Δ h<br>A<br>d<br>F W2<br>W0 W1 W H0<br>P0 P1 D0<br>T1 t<br>L<br>**----- End of picture text -----**<br>


**==> picture [229 x 147] intentionally omitted <==**

**----- Start of picture text -----**<br>
P<br>T<br>D Δ p Δ p Δ h Δ h<br>A<br>d W2<br>H0<br>W0 W1 W<br>F P1 P0 D0<br>T1 t<br>**----- End of picture text -----**<br>


|**TAPING DATA**(based on IEC 60286-2)|**TAPING DATA**(based on IEC 60286-2)|**TAPING DATA**(based on IEC 60286-2)||||
|---|---|---|---|---|---|
|**SYMBOL**|**PARAMETER**||**DIMENSIONS/TOLERANCE**|||
||||**VDRUS07**|**VDRUS10**|**VDRUS14**|
|A max.|Max. mounting height|V≤300 V|11.0|14.5|19.0|
|||V > 300 V||15.5||
|A0max.|Max. mounting height|V≤320 V|13.0|16.5|21.0|
|||V > 320 V||17.0|21.5|
|D max.|Max. body diameter|V≤320 V|9.0|12.0|16.0|
|||V > 320 V||12.5|16.5|
|d|Lead wire diameter||0.6 ± 0.05|0.8 ± 0.05||
|F|Lead to lead distance(1)||5.0 + 0.8/- 0.2|7.5 ± 0.8||
|H|Distance component to tape center(2)||20.0 + 2.0/- 0.0|18.0 + 2.0/- 0.0||
|H0|Lead wire clinch height|||16.0 or 18.25 ± 0.5||
|P|Pitch of components on tape||12.7 ± 1.0|25.4 ± 1.0||
|T|Total thickness|||See Electrical Data table||



## **Notes** 

- (1) Guaranteed between component and tape 

> (2) For VDRUS14X510xSE and VDRUS14X550xSE: H = 20 mm ± 1 mm 

Revision: 18-Oct-2021 

Document Number: 29185 

**8** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

**==> picture [77 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
www.vishay.com<br>**----- End of picture text -----**<br>


## Vishay BCcomponents 

## **V/I CHARACTERISTICS** 

**==> picture [455 x 175] intentionally omitted <==**

**----- Start of picture text -----**<br>
Max. leakage current Max. clamping voltage<br>Axis Title<br>1000<br>195 V<br>175 V<br>150 V<br>140 V<br>130 V<br>115 V<br>100<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>Voltage (V)<br>**----- End of picture text -----**<br>


**115 VRMS to 195 VRMS; VDRUS07** 

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**----- Start of picture text -----**<br>
Max. leakage current Max. clamping voltage<br>Axis Title<br>2000<br>320 V<br>300 V<br>275 V<br>1000 250 V<br>230 V<br>210 V<br>100<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>210 VRMS to 300 VRMS; VDRUS07<br>Max. leakage current Max. clamping voltage<br>Axis Title<br>3000<br>510 V<br>485 V<br>460 V<br>420 V<br>385 V<br>1000<br>350 V<br>100<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>Voltage (V)<br>Voltage (V)<br>**----- End of picture text -----**<br>


**350 VRMS to 510 VRMS; VDRUS07** 

Revision: 18-Oct-2021 

Document Number: 29185 

**9** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

Vishay BCcomponents 

**==> picture [77 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
www.vishay.com<br>**----- End of picture text -----**<br>


## **V/I CHARACTERISTICS** 

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**----- Start of picture text -----**<br>
Max. leakage current Max. clamping voltage<br>Axis Title<br>2000 10000<br>1000<br>1000<br>210 V<br>195 V<br>175 V 100<br>150 V<br>140 V<br>130 V<br>115 V<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>115 VRMS to 210 VRMS; VDRUS10<br>Max. leakage current Max. clamping voltage<br>Axis Title<br>2000 10000<br>1000<br>385 V 1000<br>350 V<br>320 V<br>300 V<br>275 V<br>250 V<br>100<br>230 V<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>230 VRMS to 385 VRMS; VDRUS10<br>Max. leakage current Max. clamping voltage<br>Axis Title<br>3000 10000<br>680 V<br>1000 625 V 1000<br>550 V<br>510 V<br>485 V<br>460 V<br>420 V<br>100<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>Voltage (V)<br>Voltage (V)<br>Voltage (V)<br>**----- End of picture text -----**<br>


**420 VRMS to 680 VRMS; VDRUS10** 

Revision: 18-Oct-2021 

Document Number: 29185 

**10** For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

Vishay BCcomponents 

www.vishay.com 

## **V/I CHARACTERISTICS** 

**==> picture [475 x 590] intentionally omitted <==**

**----- Start of picture text -----**<br>
Max. leakage current Max. clamping voltage<br>Axis Title<br>1000 10000<br>1000<br>210 V<br>195 V<br>175 V<br>150 V<br>140 V<br>130 V 100<br>115 V<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>115 VRMS to 210 VRMS; VDRUS14<br>Max. leakage current Max. clamping voltage<br>Axis Title<br>2000 10000<br>1000<br>1000<br>385 V<br>350 V<br>320 V<br>300 V<br>275 V<br>250 V 100<br>230 V<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>230 VRMS to 385 VRMS; VDRUS14<br>Max. leakage current Max. clamping voltage<br>Axis Title<br>3000 10000<br>680 V<br>1000 625 V 1000<br>550 V<br>510 V<br>485 V<br>460 V<br>420 V 100<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4]<br>Current (A)<br>Voltage (V)<br>Voltage (V)<br>Voltage (V)<br>**----- End of picture text -----**<br>


**420 VRMS to 680 VRMS; VDRUS14** 

Revision: 18-Oct-2021 

Document Number: 29185 

**11** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

www.vishay.com 

## Vishay BCcomponents 

## **V/I CHARACTERISTICS** 

**==> picture [475 x 590] intentionally omitted <==**

**----- Start of picture text -----**<br>
Max. leakage current Max. clamping voltage<br>Axis Title<br>1000 10000<br>210 V 1000<br>195 V<br>175 V<br>150 V<br>140 V<br>130 V<br>115 V 100<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4] 10 [5]<br>Current (A)<br>115 VRMS to 210 VRMS; VDRUS20<br>Max. leakage current Max. clamping voltage<br>Axis Title<br>2000 10000<br>1000<br>385 V 1000<br>350 V<br>320 V<br>300 V<br>275 V<br>250 V<br>230 V 100<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4] 10 [5]<br>Current (A)<br>230 VRMS to 385 VRMS; VDRUS20<br>Max. leakage current Max. clamping voltage<br>Axis Title<br>3000 10000<br>680 V<br>1000 625 V 1000<br>550 V<br>510 V<br>485 V<br>460 V<br>420 V<br>100<br>100 10<br>10 [-5] 10 [-4] 10 [-3] 10 [-2] 10 [-1] 10 [0] 10 [1] 10 [2] 10 [3] 10 [4] 10 [5]<br>Current (A)<br>Voltage (V)<br>Voltage (V)<br>Voltage (V)<br>**----- End of picture text -----**<br>


**420 VRMS to 680 VRMS; VDRUS20** 

Revision: 18-Oct-2021 

Document Number: 29185 

**12** For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

## www.vishay.com 

## Vishay BCcomponents 

## **PULSE DERATING** 

**==> picture [475 x 580] intentionally omitted <==**

**----- Start of picture text -----**<br>
5000 10000<br>1800 1 pulse<br>1000 2<br>10<br>1000<br>10 [2]<br>100 10 [3]<br>10 [4]<br>10 [5]<br>100<br>10 [6]<br>10<br>1 10<br>10 20 100 1000  10 000<br>tpulse  _∏_ (µs)<br>115 VRMS to 510 VRMS; VDRUS07<br>Axis Title<br>10 000 10000<br>4500 1 pulse<br>2<br>1000 10<br>10 [2] 1000<br>10 [3]<br>100<br>10 [4]<br>10 [5]<br>10 [6] 100<br>10<br>1 10<br>10 20 100 1000  10 000<br>tpulse  _∏_ (µs)<br>115 VRMS to 680 VRMS; VDRUS10<br>Axis Title<br>10 000 10000<br>1 pulse<br>6000<br>2<br>10<br>1000 10 [2]<br>10 [3] 1000<br>10 [4]<br>100<br>10 [5]<br>10 [6]<br>100<br>10<br>1 10<br>10 20 100 1000  10 000<br>tpulse  _∏_ (µs)<br>115 VRMS to 680 VRMS; VDRUS14<br> max. (A)<br>Ipulse<br> max. (A)<br>Ipulse<br> max. (A)<br>Ipulse<br>**----- End of picture text -----**<br>


Revision: 18-Oct-2021 

Document Number: 29185 

**13** 

For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**VDRUS Series** 

**==> picture [77 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
www.vishay.com<br>**----- End of picture text -----**<br>


## Vishay BCcomponents 

## **PULSE DERATING** 

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**----- Start of picture text -----**<br>
30 000 10000<br>1 pulse<br>10 000 2<br>10<br>10 [2]<br>1000 1000<br>10 [3]<br>10 [4]<br>100 10 [5]<br>10 [6]<br>100<br>10<br>1 10<br>10 20 100 1000  10 000<br>tpulse  _∏_ (µs)<br> max. (A)<br>Ipulse<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
115 VRMS to 680 VRMS; VDRUS20<br>**----- End of picture text -----**<br>


Revision: 18-Oct-2021 

Document Number: 29185 

**14** For technical questions, contact: nlr@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**Legal Disclaimer Notice** Vishay 

www.vishay.com 

## **Disclaimer** 

ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. 

Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. 

Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein. 

Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of any of the products, services or opinions of the corporation, organization or individual associated with the third-party website. Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website or for that of subsequent links. 

Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. 

_**© 2021 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED**_ 

Revision: 09-Jul-2021 

Document Number: 91000 

**1** 



## Links

- [View this product on Novapart](https://novapart.co/products/VDRUS10T320BSE./vdr-us-10d-4500a-320v-stlds-bulk-e3-82ac8702)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/vishay/vdrus10t320bse/vdr-us-10d-4500a-320v-stlds-bulk/dp/3103429)
---

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