# Zener Single Diode, 18 V, 410 mW, SOD-123, 2 Pins, 150 °C, Surface Mount

![Product image](https://novapart.co/image/farnell:2690023/)

**URL**: https://novapart.co/products/BZT52C18-E3-08/zener-single-diode-18-v-410-mw-sod-123-2-pins-150
**SKU**: BZT52C18-E3-08
**Manufacturer**: VISHAY
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Zener Single Diodes
**Price**: €0.0670
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| No. Of Pins | 2Pins |
| Product Range | BZT52 |
| Diode Mounting | Surface Mount |
| Diode Case Style | SOD-123 |
| Power Dissipation | 410mW |
| Zener Voltage Nom | 18V |
| Power Dissipation Pd | 410mW |
| Operating Temperature Max | 150°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2690023/)

**BZT52-Series** 

www.vishay.com 

## Vishay Semiconductors 

## **Small Signal Zener Diodes** 

## **FEATURES** 

- Silicon planar Zener diodes 

Available 

- The Zener voltages are graded according to the international E24 standard 

- AEC-Q101 qualified available 

- ESD capability according to AEC-Q101: Human body model > 8 kV Machine model > 800 V 

## **PRIMARY CHARACTERISTICS** 

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**----- Start of picture text -----**<br>
||||
|---|---|---|
|PARAMETER|VALUE|UNIT|
|VZ range nom.|2.4 to 75|V|
|Test current IZT|2.5; 5|mA|
|VZ specification|Pulse current|
|Int. construction|Single|

**----- End of picture text -----**<br>


- Base P/N-E3 - RoHS-compliant, commercial grade 

- Base P/N-HE3 - RoHS-compliant, AEC-Q101 qualified 

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

## **ORDERING INFORMATION** 

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**----- Start of picture text -----**<br>
|||||
|---|---|---|---|
|DEVICE NAME|ORDERING CODE|TAPED UNITS PER REEL|MINIMUM ORDER QUANTITY|
|BZT52C2V4-E3-08 to BZT52C75-E3-08|
|BZT52B2V4-E3-08 to BZT52B75-E3-08|
|3000 (8 mm tape on 7" reel)|15 000/box|
|BZT52C2V4-HE3-08 to BZT52C75-HE3-08|
|BZT52B2V4-HE3-08 to BZT52B75-HE3-08|
|BZT52-series|
|BZT52C2V4-E3-18 to BZT52C75-E3-18|
|BZT52B2V4-E3-18 to BZT52B75-E3-18|
|10 000 (8 mm tape on 13" reel)|10 000/box|
|BZT52C2V4-HE3-18 to BZT52C75-HE3-18|
|BZT52B2V4-HE3-18 to BZT52B75-HE3-18|

**----- End of picture text -----**<br>


## **PACKAGE** 

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|||||
|---|---|---|---|
|MOLDING COMPOUND|MOISTURE SENSITIVITY|
|PACKAGE NAME|WEIGHT|SOLDERING CONDITIONS|
|FLAMMABILITY RATING|LEVEL|
|MSL level 1|
|SOD-123|10.3 mg|UL 94 V-0|260 °C/10 s at terminals|
|(according J-STD-020)|

**----- End of picture text -----**<br>


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||||||
|---|---|---|---|---|
|ABSOLUTE MAXIMUM RATINGS|(Tamb = 25 °C, unless otherwise specified)|
|PARAMETER|TEST CONDITION|SYMBOL|VALUE|UNIT|
|Diode on ceramic substrate 0.7 mm; 5 mm|[2]|
|pad areas|Ptot|500|mW|
|Power dissipation|
|Diode on ceramic substrate 0.7 mm; 2.5 mm|[2]|
|pad areas|Ptot|410|mW|
|Zener current|See table “Electrical Characteristics “|
|Thermal resistance junction to ambient air|Valid provided that electrodes are kept at|RthJA|300|K/W|
|ambient temperature|
|Junction temperature|Tj|150|°C|
|Storage temperature range|Tstg|-65 to +150|°C|
|Operating temperature range|Top|-55 to +150|°C|

**----- End of picture text -----**<br>


Document Number: 85760 

Rev. 1.9, 08-Nov-16 

**1** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@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 

**BZT52-Series** 

**==> picture [59 x 48] intentionally omitted <==**

www.vishay.com 

## Vishay Semiconductors 

|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**PART**<br>**NUMBER**|**MARKING**<br>**CODE**|**ZENER VOLTAGE**<br>**RANGE(1)**|||**TEST**<br>**CURRENT**||**REVERSE**<br>**VOLTAGE**||**DYNAMIC**<br>**RESISTANCE**||**TEMP.**<br>**COEFFICIENT**|**ADMISSABLE ZENER**<br>**CURRENT(4)**||
|||<br>**VZ at IZT1**|||**IZT1**|**IZT2**|**VR at IR**||**ZZ at**<br>**IZT1**|**ZZK at**<br>**IZT2**|**VZ**|**IZ at**<br>**Tamb = 45 °C**|**IZ at**<br>**Tamb = 25 °C**|
|||**V**|||**mA**||**V**|**nA**|||**10-4/°C**|**mA**||
|||**MIN.**|**NOM.**|**MAX.**||||||||||
|BZT52C2V4|W1|2.2|2.4|2.6|5|1|-|-|85|600|-9 to -4|-|-|
|BZT52C2V7|W2|2.5|2.7|2.9|5|1|-|-|75 (< 83)|< 500|-9 to -4|113|134|
|BZT52C3V0|W3|2.8|3.0|3.2|5|1|-|-|80 (< 95)|< 500|-9 to -3|98|118|
|BZT52C3V3|W4|3.1|3.3|3.5|5|1|-|-|80 (< 95)|< 500|-8 to -3|92|109|
|BZT52C3V6|W5|3.4|3.6|3.8|5|1|-|-|80 (< 95)|< 500|-8 to -3|85|100|
|BZT52C3V9|W6|3.7|3.9|4.1|5|1|-|-|80 (< 95)|< 500|-7 to -3|77|92|
|BZT52C4V3|W7|4|4.3|4.6|5|1|-|-|80 (< 95)|< 500|-6 to -1|71|84|
|BZT52C4V7|W8|4.4|4.7|5|5|1|-|-|70 (< 78)|< 500|-5 to +2|64|76|
|BZT52C5V1|W9|4.8|5.1|5.4|5|1|> 0.8|100|30 (< 60)|< 480|-3 to +4|56|67|
|BZT52C5V6|WA|5.2|5.6|6|5|1|> 1|100|10 (< 40)|< 400|-2 to +6|50|59|
|BZT52C6V2|WB|5.8|6.2|6.6|5|1|> 2|100|4.8 (< 10)|< 200|-1 to +7|45|54|
|BZT52C6V8|WC|6.4|6.8|7.2|5|1|> 3|100|4.5 (< 8)|< 150|+2 to +7|41|49|
|BZT52C7V5|WD|7|7.5|7.9|5|1|> 5|100|4 (< 7)|< 50|+3 to +7|37|44|
|BZT52C8V2|WE|7.7|8.2|8.7|5|1|> 6|100|4.5 (< 7)|< 50|+4 to +7|34|40|
|BZT52C9V1|WF|8.5|9.1|9.6|5|1|> 7|100|4.8 (< 10)|< 50|+5 to +8|30|36|
|BZT52C10|WG|9.4|10|10.6|5|1|> 7.5|100|5.2 (< 15)|< 70|+5 to +8|28|33|
|BZT52C11|WH|10.4|11|11.6|5|1|> 8.5|100|6 (< 20)|< 70|+5 to +9|25|30|
|BZT52C12|WI|11.4|12|12.7|5|1|> 9|100|7 (< 20)|< 90|+6 to +9|23|28|
|BZT52C13|WK|12.4|13|14.1|5|1|> 10|100|9 (< 25)|< 110|+7 to +9|21|25|
|BZT52C15|WL|13.8|15|15.6|5|1|> 11|100|11 (< 30)|< 110|+7 to +9|19|23|
|BZT52C16|WM|15.3|16|17.1|5|1|> 12|100|13 (< 40)|< 170|+8 to +9.5|17|20|
|BZT52C18|WN|16.8|18|19.1|5|1|> 14|100|18 (< 50)|< 170|+8 to +9.5|15|18|
|BZT52C20|WO|18.8|20|21.2|5|1|> 15|100|20 (< 50)|< 220|+8 to +10|14|17|
|BZT52C22|WP|20.8|22|23.3|5|1|> 17|100|25 (< 55)|< 220|+8 to +10|13|16|
|BZT52C24|WR|22.8|24|25.6|5|1|> 18|100|28 (< 80)|< 220|+8 to +10|11|13|
|BZT52C27|WS|25.1|27|28.9|5|1|> 20|100|30 (< 80)|< 250|+8 to +10|10|12|
|BZT52C30|WT|28|30|32|5|1|> 22.5|100|35 (< 80)|< 250|+8 to +10|9|10|
|BZT52C33|WU|31|33|35|5|1|> 25|100|40 (< 80)|< 250|+8 to +10|8|9|
|BZT52C36|WW|34|36|38|5|1|> 27|100|40 (< 90)|< 250|+8 to +10|8|9|
|BZT52C39|WX|37|39|41|5|1|> 29|100|50 (< 90)|< 300|+10 to +12|7|8|
|BZT52C43|WY|40|43|46|5|1|> 32|100|60 (< 100)|< 700|+10 to +12|6|7|
|BZT52C47|WZ|44|47|50|5|1|> 35|100|70 (< 100)|< 750|+10 to +12|5|6|
|BZT52C51|X1|48|51|54|5|1|> 38|100|70 (< 100)|< 750|+10 to +12|5|6|
|BZT52C56|X2|52|56|60|2.5|0.5|-|-|< 135(2)|< 1000(3)|typ. +10(2)|-|-|
|BZT52C62|X3|58|62|66|2.5|0.5|-|-|< 150(2)|< 1000(3)|typ. +10(2)|-|-|
|BZT52C68|X4|64|68|72|2.5|0.5|-|-|< 200(2)|< 1000(3)|typ. +10(2)|-|-|
|BZT52C75|X5|70|75|79|2.5|0.5|-|-|< 250(2)|< 1500(3)|typ. +10(2)|-|-|



## **Notes** 

• IZT1 = 5 mA, IZT2 = 1 mA 

> (1) Measured with pulses tp = 5 ms 

> (2) IZT1 = 2.5 mA 

> (3) IZT2 = 0.5 mA 

> (4) Valid provided that electrodes are kept at ambient temperature 

Rev. 1.9, 08-Nov-16 

Document Number: 85760 

**2** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@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 

**BZT52-Series** 

www.vishay.com 

**==> picture [59 x 48] intentionally omitted <==**

## Vishay Semiconductors 

|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|**ELECTRICAL CHARACTERISTICS**(Tamb= 25 °C,unless otherwise specified)|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**PART**<br>**NUMBER**|**MARKING**<br>**CODE**|**ZENER VOLTAGE**<br>**RANGE(1)**|||**TEST**<br>**CURRENT**||**REVERSE**<br>**VOLTAGE**||**DYNAMIC**<br>**RESISTANCE**||**TEMP.**<br>**COEFFICIENT**|**ADMISSABLE ZENER**<br>**CURRENT(4)**||
|||<br>**VZ at IZT1**|||**IZT1**|**IZT2**|**VR at IR**||**ZZ at IZT1**|**ZZK at**<br>**IZT2**|**VZ**|**IZ at**<br>**Tamb = 45 °C**|**IZ at**<br>**Tamb = 25 °C**|
|||**V**|||**mA**||**V**|**nA**|||**10-4/°C**|**mA**||
|||**MIN.**|**NOM.**|**MAX.**||||||||||
|BZT52B2V4|W1|2.35|2.4|2.45|5|1|-|-|85|600|-9 to -4|-|-|
|BZT52B2V7|W2|2.65|2.7|2.75|5|1|-|-|75 (< 83)|< 500|-9 to -4|113|134|
|BZT52B3V0|W3|2.94|3.0|3.06|5|1|-|-|80 (< 95)|< 500|-9 to -3|98|118|
|BZT52B3V3|W4|3.23|3.3|3.37|5|1|-|-|80 (< 95)|< 500|-8 to -3|92|109|
|BZT52B3V6|W5|3.53|3.6|3.67|5|1|-|-|80 (< 95)|< 500|-8 to -3|85|100|
|BZT52B3V9|W6|3.82|3.9|3.98|5|1|-|-|80 (< 95)|< 500|-7 to -3|77|92|
|BZT52B4V3|W7|4.21|4.3|4.39|5|1|-|-|80 (< 95)|< 500|-6 to -1|71|84|
|BZT52B4V7|W8|4.61|4.7|4.79|5|1|-|-|70 (< 78)|< 500|-5 to +2|64|76|
|BZT52B5V1|W9|5|5.1|5.2|5|1|> 0.8|100|30 (< 60)|< 480|-3 to +4|56|67|
|BZT52B5V6|WA|5.49|5.6|5.71|5|1|> 1|100|10 (< 40)|< 400|-2 to +6|50|59|
|BZT52B6V2|WB|6.08|6.2|6.32|5|1|> 2|100|4.8 (< 10)|< 200|-1 to +7|45|54|
|BZT52B6V8|WC|6.66|6.8|6.94|5|1|> 3|100|4.5 (< 8)|< 150|+2 to +7|41|49|
|BZT52B7V5|WD|7.35|7.5|7.65|5|1|> 5|100|4 (< 7)|< 50|+3 to +7|37|44|
|BZT52B8V2|WE|8.04|8.2|8.36|5|1|> 6|100|4.5 (< 7)|< 50|+4 to +7|34|40|
|BZT52B9V1|WF|8.92|9.1|9.28|5|1|> 7|100|4.8 (< 10)|< 50|+5 to +8|30|36|
|BZT52B10|WG|9.8|10|10.2|5|1|> 7.5|100|5.2 (< 15)|< 70|+5 to +8|28|33|
|BZT52B11|WH|10.8|11|11.2|5|1|> 8.5|100|6 (< 20)|< 70|+5 to +9|25|30|
|BZT52B12|WI|11.8|12|12.2|5|1|> 9|100|7 (< 20)|< 90|+6 to +9|23|28|
|BZT52B13|WK|12.7|13|13.3|5|1|> 10|100|9 (< 25)|< 110|+7 to +9|21|25|
|BZT52B15|WL|14.7|15|15.3|5|1|> 11|100|11 (< 30)|< 110|+7 to +9|19|23|
|BZT52B16|WM|15.7|16|16.3|5|1|> 12|100|13 (< 40)|< 170|+8 to +9.5|17|20|
|BZT52B18|WN|17.6|18|18.4|5|1|> 14|100|18 (< 50)|< 170|+8 to +9.5|15|18|
|BZT52B20|WO|19.6|20|20.4|5|1|> 15|100|20 (< 50)|< 220|+8 to +10|14|17|
|BZT52B22|WP|21.6|22|22.4|5|1|> 17|100|25 (< 55)|< 220|+8 to +10|13|16|
|BZT52B24|WR|23.5|24|24.5|5|1|> 18|100|28 (< 80)|< 220|+8 to +10|11|13|
|BZT52B27|WS|26.5|27|27.5|5|1|> 20|100|30 (< 80)|< 250|+8 to +10|10|12|
|BZT52B30|WT|29.4|30|30.6|5|1|> 22.5|100|35 (< 80)|< 250|+8 to +10|9|10|
|BZT52B33|WU|32.3|33|33.7|5|1|> 25|100|40 (< 80)|< 250|+8 to +10|8|9|
|BZT52B36|WW|35.3|36|36.7|5|1|> 27|100|40 (< 90)|< 250|+8 to +10|8|9|
|BZT52B39|WX|38.2|39|39.8|5|1|> 29|100|50 (< 90)|< 300|+10 to +12|7|8|
|BZT52B43|WY|42.1|43|43.9|5|1|> 32|100|60 (< 100)|< 700|+10 to +12|6|7|
|BZT52B47|WZ|46.1|47|47.9|5|1|> 35|100|70 (< 100)|< 750|+10 to +12|5|6|
|BZT52B51|X1|50|51|52|5|1|> 38|100|70 (< 100)|< 750|+10 to +12|5|6|
|BZT52B56|X2|54.9|56|57.1|2.5|0.5|-|-|< 135(2)|< 1000(3)|typ. +10(2)|-|-|
|BZT52B62|X3|60.8|62|63.2|2.5|0.5|-|-|< 150(2)|< 1000(3)|typ. +10(2)|-|-|
|BZT52B68|X4|66.6|68|69.4|2.5|0.5|-|-|< 200(2)|< 1000(3)|typ. +10(2)|-|-|
|BZT52B75|X5|73.5|75|76.5|2.5|0.5|-|-|< 250(2)|< 1500(3)|typ. +10(2)|-|-|



## **Notes** 

• IZT1 = 5 mA, IZT2 = 1 mA 

> (1) Measured with pulses tp = 5 ms 

> (2) IZT1 = 2.5 mA 

> (3) IZT2 = 0.5 mA 

> (4) Valid provided that electrodes are kept at ambient temperature 

Rev. 1.9, 08-Nov-16 

Document Number: 85760 

**3** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@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 

**BZT52-Series** 

Vishay Semiconductors 

**==> picture [59 x 48] intentionally omitted <==**

www.vishay.com 

## **TYPICAL CHARACTERISTICS** (Tamb = 25 °C, unless otherwise specified) 

**==> picture [154 x 155] intentionally omitted <==**

**----- Start of picture text -----**<br>
mA<br>10 [3]<br>10 [2]<br>IF 10<br>1 TJ = 100 °C<br>10 [-1]<br>TJ = 25 °C<br>10 [-2]<br>10 [-3]<br>10 [-4]<br>10 [-5]<br>0 0.2 0.4 0.6 0.8 1V<br>18114 VF<br>**----- End of picture text -----**<br>


**==> picture [166 x 154] intentionally omitted <==**

**----- Start of picture text -----**<br>
Ω<br>100<br>TJ = 25 °C<br>5<br>4<br>r 3 33<br>zj 2<br>27<br>22<br>10<br>18<br>5 15<br>4<br>12<br>3<br>10<br>2<br>6.8/8.2<br>6.2<br>1<br>0.1 2 5 1 2 5 10 2 5 100 mA<br>18119 IZ<br>**----- End of picture text -----**<br>


Fig. 1 - Forward characteristics 

Fig. 4 - Dynamic Resistance vs. Zener Current 

**==> picture [175 x 154] intentionally omitted <==**

**----- Start of picture text -----**<br>
mW<br>500<br>400<br>Ptot<br>300<br>200<br>100<br>0<br>0 100 200 °C<br>18888 Tamb<br>**----- End of picture text -----**<br>


Fig. 2 - Admissible Power Dissipation vs. Ambient Temperature 

**==> picture [165 x 146] intentionally omitted <==**

**----- Start of picture text -----**<br>
Ω<br>1000<br>5 TJ = 25 °C<br>4<br>3<br>r 2<br>zj<br>100<br>5<br>4<br>3<br>2<br>10 2.7<br>5 3.6<br>4 4.7<br>3 5.1<br>2<br>5.6<br>1<br>0.1 2 5 1 2 5 10 2 5 100 mA<br>18117 IZ<br>**----- End of picture text -----**<br>


**==> picture [159 x 348] intentionally omitted <==**

**----- Start of picture text -----**<br>
Ω<br>10 [3]<br>7 Tj = 25 °C<br>5<br>4<br>R 3 47 + 51<br>zj 43<br>2 39<br>36<br>10 [2]<br>7<br>5<br>4<br>3<br>2<br>10<br>0.1 2 3 4 5 1 2 3 4 5 10<br>18120 IZ mA<br>Fig. 5 - Dynamic Resistance vs. Zener CurrentDynamic Resistance vs. Zener Current<br>Ω<br>10 [3]<br>54 Rzth = RthA x VZ x ΔΔTVZ<br>3 j<br>Rzth 2<br>10 [2]<br>5<br>4<br>3<br>2<br>10<br>5<br>4<br>32 negative positive<br>1<br>1 2 3 4 5 10 2 3 4 5 100 V<br>18121 VZ at IZ = 5 mA<br>**----- End of picture text -----**<br>


Fig. 5 - Dynamic Resistance vs. Zener CurrentDynamic Resistance vs. Zener Current 

Fig. 3 - Dynamic Resistance vs. Zener Current 

Fig. 6 - Thermal Differential Resistance vs. Zener Voltage 

Rev. 1.9, 08-Nov-16 

Document Number: 85760 

**4** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@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 

**BZT52-Series** 

www.vishay.com 

Vishay Semiconductors 

**==> picture [59 x 48] intentionally omitted <==**

**==> picture [156 x 154] intentionally omitted <==**

**----- Start of picture text -----**<br>
Ω<br>100<br>7<br>5<br>4<br>Rzj 3<br>2<br>10<br>7<br>5<br>4<br>3<br>2<br>1 TIZj = 25 °C = 5 mA<br>1 2 3 4 5 10 2 3 4 5 100 V<br>18122 VZ<br>**----- End of picture text -----**<br>


Fig. 7 - Dynamic Resistance vs. Zener Voltage 

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mV/°C<br>25<br>20<br>ΔVZ 5 mA<br>ΔTj 15 I Z  = 20 mA 1 mA<br>10<br>5<br>0<br>- 5<br>1 2 3 4 5 10 2 3 4 5 100 V<br>18135 VZ at IZ = 5 mA<br>V    27 V, I = 2 mA≥<br>**----- End of picture text -----**<br>


Fig. 8 - Temperature Dependence of Zener Voltage vs. Zener Voltage 

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V<br>0.8<br>25 15<br>0.7 VZ at IZ = 5 mA<br>10<br>0.6<br>ΔVZ 0.5<br>8<br>0.4<br>7<br>0.3<br>6.2<br>0.2 5.9<br>0.1 5.6<br>0 5.1<br> - 1<br>3.6 4.7<br>- 0.2<br>0 20 40 60 80 100 120 140 C<br>18124 T<br>j<br>**----- End of picture text -----**<br>


Fig. 9 - Change of Zener Voltage vs. Junction Temperature 

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mV/°C<br>100<br>IZ = 5 mA<br>ΔVZ 80<br>ΔT<br>j<br>60<br>40<br>20<br>0<br>0 20 40 60 80 100 V<br>18136 VZ at IZ = 2 mA<br>**----- End of picture text -----**<br>


Fig. 10 - Temperature Dependence of Zener Voltage vs. Zener Voltage 

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V<br>  9<br>  8<br>VZ at IZ = 5 mA<br>  7<br>ΔVZ   6 51<br>  5<br>43<br>  4<br>36<br>  3<br>  2<br>  1<br>  0<br>IZ = 5 mA<br>- 1<br>0        20       40        60       80      100      120     140   °C<br>18158 Tj<br>**----- End of picture text -----**<br>


Fig. 11 - Change of Zener Voltage vs. Junction Temperature 

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V<br>  1.6<br>ΔVZ = rZth x IZ<br>  1.4 IZ = 5 mA<br>  1.2 VZ >= 56 V; IZ = 2.5 mA<br>ΔVZ   1.0<br>  0.8<br>  0.6<br>  0.4<br>  0.2<br>     0<br>- 0.2<br>- 0.4<br>1                                        10                                     100 V<br>18159 VZ at IZ = 5 mA<br>**----- End of picture text -----**<br>


Fig. 12 - Change of Zener Voltage from Turn-on up to the Point of Thermal Equilibrium vs. Zener Voltage 

Rev. 1.9, 08-Nov-16 

Document Number: 85760 

**5** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@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 

**BZT52-Series** 

**==> picture [59 x 48] intentionally omitted <==**

www.vishay.com 

## Vishay Semiconductors 

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**----- Start of picture text -----**<br>
V<br>5<br>ΔVZ = rzth x IZ<br>4<br>ΔVZ<br>3<br>IZ = 5 mA<br>2<br>1<br>IZ = 2.5 mA<br>0<br>0 20 40 60 80 100 V<br>18160 VZ at IZ = 5 mA<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
mA<br>50<br>Tj = 25 °C 2.7 3.9 5.6<br>3.3 4.7 6.8<br>40<br>lZ 8.2<br>30<br>20<br>Test<br>10 current<br>IZ 5 mA<br>0<br>0 1 2 3 4 5 6 7 8 9 10 V<br>18111 VZ<br>**----- End of picture text -----**<br>


Fig. 13 - Change of Zener Voltage from Turn-on up to the Point of Thermal Equilibrium vs. Zener Voltage 

Fig. 14 - Breakdown Characteristics 

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**----- Start of picture text -----**<br>
mA<br>30<br>10<br>12 T j  =  25 °C<br>lZ 15<br>20<br>18<br>22<br>Test  27<br>10<br>current  33 36<br>IZ 5 mA<br>0<br>0 10 20 30 40 V<br>18112 VZ<br>**----- End of picture text -----**<br>


Fig. 15 - Breakdown Characteristics 

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**----- Start of picture text -----**<br>
18157<br>**----- End of picture text -----**<br>


Fig. 16 - Breakdown Characteristics 

Rev. 1.9, 08-Nov-16 

Document Number: 85760 

**6** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@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 

**BZT52-Series** 

**==> picture [59 x 48] intentionally omitted <==**

www.vishay.com 

## Vishay Semiconductors 

## **PACKAGE DIMENSIONS** in millimeters (inches): **SOD-123** 

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**----- Start of picture text -----**<br>
0.45 (0.018)<br>0.25 (0.010)<br>0.5 (0.020) ref.<br>Cathode bar Mounting Pad Layout<br>2.85 (0.112)<br>2.55 (0.100)<br>0.85 (0.033) 0.85 (0.033)<br>3.85 (0.152) 2.5 (0.098)<br>3.55 (0.140)<br>0° to 8°<br>0.1 (0.004) max.<br>1.35 (0.053) 1 (0.039) 0.2 (0.008) 0.15 (0.006) 0.10 (0.004)<br>0.65 (0.026) 0.45 (0.018)<br>1.7 (0.067) 1.40 (0.055) 0.85 (0.033)<br>**----- End of picture text -----**<br>


Rev. 4 - Date: 24. Sep. 2009 Document no.: S8-V-3910.01-001 (4) 17432 

Rev. 1.9, 08-Nov-16 

Document Number: 85760 

**7** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@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 

**==> picture [59 x 48] intentionally omitted <==**

## **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. 

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. 

Revision: 13-Jun-16 

Document Number: 91000 

**1** 



## Links

- [View this product on Novapart](https://novapart.co/products/BZT52C18-E3-08/zener-single-diode-18-v-410-mw-sod-123-2-pins-150)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/vishay/bzt52c18-e3-08/zener-diode-0-41w-18v-sod-123/dp/2690023)
---

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