BZM55B10-TR

Zener Single Diode, 10 V, 500 mW, MicroMELF, 2 Pins, 175 °C, Surface Mount

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Manufacturer: VISHAY
Product type: Zener Single Diodes
Zener Voltage Vz Typ:10V; Power Dissipation Pd:500mW; Diode Case Style:MicroMELF; Zener Tolerance ±:2%; No. of Pins:2Pins; Operating Temperature Max:175°C; Product Range:BZM55 Series; A
SVHC: No SVHC (04-Feb-2026)
No. of Pins: 2Pins
Product Range: BZM55
Qualification: AEC-Q101
Diode Mounting: Surface Mount
Diode Case Style: MicroMELF
Power Dissipation: 500mW
Zener Voltage Nom: 10V
Operating Temperature Max: 175°C

Delivery and price
Units per pack	7500
Price	0.042 €
Current stock	1000+
Lead time	30 days

Datasheet

**BZM55-Series** 

www.vishay.com 

## Vishay Semiconductors 

## **Small Signal Zener Diodes** 

## **FEATURES** 

- Saving space 

- Hermetic sealed parts 

- Electrical data identical with the devices BZT55..series, TZM..series 

- Fits onto SOD-323 

- Very sharp reverse characteristic 

- Low reverse current level 

## **LINKS TO ADDITIONAL RESOURCES** 

3D Models ~~f\~~ Marking Parametric Order Samples ¢ Search 

- Very high stability 

- Low noise 

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

## **PRIMARY CHARACTERISTICS** 

|**PRIMARY CHARACTERISTICS**|**PRIMARY CHARACTERISTICS**|**PRIMARY CHARACTERISTICS**|
|---|---|---|
|**PARAMETER**|**VALUE**|**UNIT**|
|VZrange nom.|2.4 to 75|V|
|Test current IZT|2.5; 5|mA|
|VZspecification|Pulse current||
|Circuit configuration|Single||



## **APPLICATIONS** 

- Voltage stabilization 

## **ORDERING INFORMATION** 

|**DEVICE NAME**|**ORDERING CODE**|**TAPED UNITS PER REEL**|**MINIMUM ORDER QUANTITY**|
|---|---|---|---|
|BZM55-series|BZM55-series-TR3|10 000 (8 mm tape on 13" reel)|10 000|
|BZM55-series|BZM55-series-TR|2500 (8 mm tape on 7" reel)|12 500|



## **PACKAGE** 

|**PACKAGE**|**PACKAGE**|**PACKAGE**|**PACKAGE**|**PACKAGE**|
|---|---|---|---|---|
|**PACKAGE NAME**|**WEIGHT**|**MOLDING COMPOUND**<br>**FLAMMABILITY RATING**|**MOISTURE SENSITIVITY**<br>**LEVEL**|**SOLDERING CONDITIONS**|
|MicroMELF|approx.<br>12 mg|UL 94 V-0|MSL level 1<br>(according J-STD-020)|Peak temperature max. 260°C|



## **ABSOLUTE MAXIMUM RATINGS** (Tamb = 25 °C, unless otherwise specified) 

|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|**ABSOLUTE MAXIMUM RATINGS**(Tamb = 25 °C, unless otherwise specified)Tamb = 25 °C, unless otherwise specified)amb = 25 °C, unless otherwise specified)= 25 °C, unless otherwise specified)pecified)ecified))|
|---|---|---|---|---|
|**PARAMETER**|**TEST CONDITION**|**SYMBOL**|**VALUE**|**UNIT**|
|Power dissipation|RthJA ≤300 K/W|Ptot|500|mW|
|Junction to ambient air|Mounted on epoxy-glass hard tissue, fig. 1|RthJA|500|K/W|
|Junction tie point|35 μm copper clad, 0.9 mm2copper area per<br>electrode|RthJL|300|K/W|
|Junction temperature||Tj|175|°C|
|Storage temperature range||Tstg|-65 to +175|°C|
|Zener current||IZ|Ptot/VZ|mA|
|Forward voltage|IF= 200 mA|VF|1.5|V|



Rev. 2.3, 04-Jun-2024 

Document Number: 85597 

**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 

**BZM55-Series** 

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)|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**PART NUMBER**|**ZENER VOLTAGE**<br>**RANGE(1)**|||**TEST**<br>**CURRENT**||**REVERSE LEAKAGE**<br>**CURRENT**|||**DYNAMIC**<br>**RESISTANCE**||**TEMPERATURE**<br>**COEFFICIENT**||
||**VZ at IZT1**|||**IZT1**|**IZT2**|**IR at VR**|||**ZZ at IZT1**|**ZZK at IZT2**|**TKVZ**||
|||||||**at Tamb =**<br>**25 °C**|**at Tamb =**<br>**125 °C**||**f = 1 kHz**||||
||**V**|||**mA**||**�μA**||**V**|Ω||**%/K**||
||**MIN.**|**NOM.**|**MAX.**||||||**MAX.**|**MAX.**|**MIN.**|**MAX.**|
|BZM55C2V4|2.28|2.4|2.56|5|1|< 50|< 100|1|< 85|< 600|- 0.09|- 0.06|
|BZM55C2V7|2.5|2.7|2.9|5|1|< 10|< 50|1|< 85|< 600|- 0.09|- 0.06|
|BZM55C3V0|2.8|3.0|3.2|5|1|< 4|< 40|1|< 90|< 600|- 0.08|- 0.05|
|BZM55C3V3|3.1|3.3|3.5|5|1|< 2|< 40|1|< 90|< 600|- 0.08|- 0.05|
|BZM55C3V6|3.4|3.6|3.8|5|1|< 2|< 40|1|< 90|< 600|-0.08|- 0.05|
|BZM55C3V9|3.7|3.9|4.1|5|1|< 2|< 40|1|< 90|< 600|- 0.08|- 0.05|
|BZM55C4V3|4|4.3|4.6|5|1|< 1|< 20|1|< 90|< 600|- 0.06|- 0.03|
|BZM55C4V7|4.4|4.7|5|5|1|< 0.5|< 10|1|< 80|< 600|- 0.05|0.02|
|BZM55C5V1|4.8|5.1|5.4|5|1|< 0.1|< 2|1|< 60|< 550|- 0.02|0.02|
|BZM55C5V6|5.2|5.6|6|5|1|< 0.1|< 2|1|< 40|< 450|- 0.05|0.05|
|BZM55C6V2|5.8|6.2|6.6|5|1|< 0.1|< 2|2|< 10|< 200|0.03|0.06|
|BZM55C6V8|6.4|6.8|7.2|5|1|< 0.1|< 2|3|< 8|< 150|0.03|0.07|
|BZM55C7V5|7|7.5|7.9|5|1|< 0.1|< 2|5|< 7|< 50|0.03|0.07|
|BZM55C8V2|7.7|8.2|8.7|5|1|< 0.1|< 2|6.2|< 7|< 50|0.03|0.08|
|BZM55C9V1|8.5|9.1|9.6|5|1|< 0.1|< 2|6.8|< 10|< 50|0.03|0.09|
|BZM55C10|9.4|10|10.6|5|1|< 0.1|< 2|7.5|< 15|< 70|0.03|0.1|
|BZM55C11|10.4|11|11.6|5|1|< 0.1|< 2|8.2|< 20|< 70|0.03|0.11|
|BZM55C12|11.4|12|12.7|5|1|< 0.1|< 2|9.1|< 20|< 90|0.03|0.11|
|BZM55C13|12.4|13|14.1|5|1|< 0.1|< 2|10|< 26|< 110|0.03|0.11|
|BZM55C15|13.8|15|15.6|5|1|< 0.1|< 2|11|< 30|< 110|0.03|0.11|
|BZM55C16|15.3|16|17.1|5|1|< 0.1|< 2|12|< 40|< 170|0.03|0.11|
|BZM55C18|16.8|18|19.1|5|1|< 0.1|< 2|13|< 50|< 170|0.03|0.11|
|BZM55C20|18.8|20|21.2|5|1|< 0.1|< 2|15|< 55|< 220|0.03|0.11|
|BZM55C22|20.8|22|23.3|5|1|< 0.1|< 2|16|< 55|< 220|0.04|0.12|
|BZM55C24|22.8|24|25.6|5|1|< 0.1|< 2|18|< 80|< 220|0.04|0.12|
|BZM55C27|25.1|27|28.9|5|1|< 0.1|< 2|20|< 80|< 220|0.04|0.12|
|BZM55C30|28|30|32|5|1|< 0.1|< 2|22|< 80|< 220|0.04|0.12|
|BZM55C33|31|33|35|5|1|< 0.1|< 2|24|< 80|< 220|0.04|0.12|
|BZM55C36|34|36|38|5|1|< 0.1|< 2|27|< 80|< 220|0.04|0.12|
|BZM55C39|37|39|41|2.5|0.5|< 0.1|< 5|30|< 90|< 500|0.04|0.12|
|BZM55C43|40|43|46|2.5|0.5|< 0.1|< 5|33|< 90|< 600|0.04|0.12|
|BZM55C47|44|47|50|2.5|0.5|< 0.1|< 5|36|110|< 700|0.04|0.12|
|BZM55C51|48|51|54|2.5|0.5|< 0.1|< 10|39|125|< 700|0.04|0.12|
|BZM55C56|52|56|60|2.5|0.5|< 0.1|< 10|43|135|< 1000|0.04|0.12|
|BZM55C62|58|62|66|2.5|0.5|< 0.1|< 10|47|150|< 1000|0.04|0.12|
|BZM55C68|64|68|72|2.5|0.5|< 0.1|< 10|51|200|< 1000|0.04|0.12|
|BZM55C75|70|75|79|2.5|0.5|< 0.1|< 10|56|250|< 1500|0.04|0.12|



## **Notes** 

• Additional measurement of voltage group 9V1 to 75 at 95 % Vzmin. ≤ 35 nA at Tj = 25 °C (1) tp ≤ 10 ms, T/tp > 1000 

Rev. 2.3, 04-Jun-2024 

Document Number: 85597 

**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 

**BZM55-Series** 

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)|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|**PART NUMBER**|**ZENER VOLTAGE**<br>**RANGE(1)**|||**TEST**<br>**CURRENT**||**REVERSE LEAKAGE**<br>**CURRENT**|||**DYNAMIC**<br>**RESISTANCE**||**TEMPERATURE**<br>**COEFFICIENT**||
||**VZ at IZT1**|||**IZT1**|**IZT2**|**IR at VR**|||**ZZ at IZT1**|**ZZK at IZT2**|**TKVZ**||
|||||||**at Tamb =**<br>**25 °C**|**at Tamb =**<br>**125 °C**||**f = 1 kHz**||||
||**V**|||**mA**||**�μA**||**V**|Ω||**%/K**||
||**MIN.**|**NOM.**|**MAX.**||||||**MAX.**|**MAX.**|**MIN.**|**MAX.**|
|BZM55B2V4|2.35|2.4|2.45|5|1|< 50|< 100|1|< 85|< 600|-0.09|-0.06|
|BZM55B2V7|2.64|2.7|2.76|5|1|< 10|< 50|1|< 85|< 600|-0.09|-0.06|
|BZM55B3V0|2.94|3.0|3.06|5|1|< 4|< 40|1|< 90|< 600|-0.08|-0.05|
|BZM55B3V3|3.24|3.3|3.36|5|1|< 2|< 40|1|< 90|< 600|-0.08|-0.05|
|BZM55B3V6|3.52|3.6|3.68|5|1|< 2|< 40|1|< 90|< 600|-0.08|-0.05|
|BZM55B3V9|3.82|3.9|3.98|5|1|< 2|< 40|1|< 90|< 600|-0.08|-0.05|
|BZM55B4V3|4.22|4.3|4.38|5|1|< 1|< 20|1|< 90|< 600|-0.06|-0.03|
|BZM55B4V7|4.6|4.7|4.8|5|1|< 0.5|< 10|1|< 80|< 600|-0.05|0.02|
|BZM55B5V1|5|5.1|5.2|5|1|< 0.1|< 2|1|< 60|< 550|-0.02|0.02|
|BZM55B5V6|5.48|5.6|5.72|5|1|< 0.1|< 2|1|< 40|< 450|-0.05|0.05|
|BZM55B6V2|6.08|6.2|6.32|5|1|< 0.1|< 2|2|< 10|< 200|0.03|0.06|
|BZM55B6V8|6.66|6.8|6.94|5|1|< 0.1|< 2|3|< 8|< 150|0.03|0.07|
|BZM55B7V5|7.35|7.5|7.65|5|1|< 0.1|< 2|5|< 7|< 50|0.03|0.07|
|BZM55B8V2|8.04|8.2|8.36|5|1|< 0.1|< 2|6.2|< 7|< 50|0.03|0.08|
|BZM55B9V1|8.92|9.1|9.28|5|1|< 0.1|< 2|6.8|< 10|< 50|0.03|0.09|
|BZM55B10|9.8|10|10.2|5|1|< 0.1|< 2|7.5|< 15|< 70|0.03|0.1|
|BZM55B11|10.78|11|11.22|5|1|< 0.1|< 2|8.2|< 20|< 70|0.03|0.11|
|BZM55B12|11.76|12|12.24|5|1|< 0.1|< 2|9.1|< 20|< 90|0.03|0.11|
|BZM55B13|12.74|13|13.26|5|1|< 0.1|< 2|10|< 26|< 110|0.03|0.11|
|BZM55B15|14.7|15|15.3|5|1|< 0.1|< 2|11|< 30|< 110|0.03|0.11|
|BZM55B16|15.7|16|16.3|5|1|< 0.1|< 2|12|< 40|< 170|0.03|0.11|
|BZM55B18|17.64|18|18.36|5|1|< 0.1|< 2|13|< 50|< 170|0.03|0.11|
|BZM55B20|19.6|20|20.4|5|1|< 0.1|< 2|15|< 55|< 220|0.03|0.11|
|BZM55B22|21.55|22|22.45|5|1|< 0.1|< 2|16|< 55|< 220|0.04|0.12|
|BZM55B24|23.5|24|24.5|5|1|< 0.1|< 2|18|< 80|< 220|0.04|0.12|
|BZM55B27|26.4|27|27.6|5|1|< 0.1|< 2|20|< 80|< 220|0.04|0.12|
|BZM55B30|29.4|30|30.6|5|1|< 0.1|< 2|22|< 80|< 220|0.04|0.12|
|BZM55B33|32.4|33|33.6|5|1|< 0.1|< 2|24|< 80|< 220|0.04|0.12|
|BZM55B36|35.3|36|36.7|5|1|< 0.1|< 2|27|< 80|< 220|0.04|0.12|
|BZM55B39|38.2|39|39.8|2.5|1|< 0.1|< 5|30|< 90|< 500|0.04|0.12|
|BZM55B43|42.1|43|43.9|2.5|0.5|< 0.1|< 5|33|< 90|< 600|0.04|0.12|
|BZM55B47|46.1|47|47.9|2.5|0.5|< 0.1|< 5|36|< 110|< 700|0.04|0.12|
|BZM55B51|50|51|52|2.5|0.5|< 0.1|< 10|39|< 125|< 700|0.04|0.12|
|BZM55B56|54.9|56|57.1|2.5|0.5|< 0.1|< 10|43|< 135|< 1000|0.04|0.12|
|BZM55B62|60.8|62|63.2|2.5|0.5|< 0.1|< 10|47|< 150|< 1000|0.04|0.12|
|BZM55B68|66.6|68|69.4|2.5|0.5|< 0.1|< 10|51|< 200|< 1000|0.04|0.12|
|BZM55B75|73.5|75|76.5|2.5|0.5|< 0.1|< 10|56|< 250|< 1500|0.04|0.12|



## **Notes** 

• Additional measurement of voltage group 9V1 to 75 at 95 % Vzmin. ≤ 35 nA at Tj  = 25 °C (1) tp ≤ 10 ms, T/tp > 1000 

Rev. 2.3, 04-Jun-2024 

Document Number: 85597 

**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 

**BZM55-Series** 

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

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


## Vishay Semiconductors 

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

**==> picture [433 x 365] intentionally omitted <==**

**----- Start of picture text -----**<br>
600 1.3<br>VZtn = VZt/VZ (25 °C)<br>500<br>1.2<br>TKVZ = 10 x 10 [-4] /K<br>400 8 x 10 [-4] /K<br>6 x 10 [-4] /K<br>1.1<br>4 x 10 [-4] /K<br>300<br>2 x 10 [-4] /K<br>1.0 0<br>200<br>- 2 x 10 [-4] /K<br>0.9 - 4 x 10 [-4] /K<br>100<br>0 0.8<br>0 40 80 120 160 200 - 60 0 60 120 180 240<br>95 9602 Tamb - Ambient Temperature (°C) 95 9599 Tj - Junction Temperature (°C)<br>Total Power Dissipation vs. Ambient Temperature Fig. 4 - Typical Change of Working Voltage vs.Typical Change of Working Voltage vs.<br>Junction Temperature<br>Axis Title<br>15 100<br>T j = 150 °C<br>10<br>10<br>T j = 75 °C<br>1<br>5<br> IZ = 5 mAZ = 5 mA = 5 mA 0.1 Tj = 25 °C<br>0<br>0.01<br>- 5<br>0 10 20 30 40 50 0.001<br>0 0.2 0.4 0.6 0.8 1<br>95 9600 VZ - Z-Voltage (V)Z - Z-Voltage (V) - Z-Voltage (V) VF (V)<br> - Relative Voltage Change<br> - Total Power Dissipation (mW) Ztn<br>tot V<br>P<br>/K)<br>-4<br> (10<br>Z 2nd line  (mA)IF<br>of V<br>VZ<br>**----- End of picture text -----**<br>


Fig. 4 - Typical Change of Working Voltage vs.Typical Change of Working Voltage vs. Junction Temperature 

Fig. 1 - Total Power Dissipation vs. Ambient Temperature 

**==> picture [169 x 354] intentionally omitted <==**

**----- Start of picture text -----**<br>
15<br>10<br>5<br> IZ = 5 mAZ = 5 mA = 5 mA<br>0<br>- 5<br>0 10 20 30 40 50<br>95 9600 VZ - Z-Voltage (V)Z - Z-Voltage (V) - Z-Voltage (V)<br>Typical Temperature Coefficient of Vz vs. Z-Voltage<br>200<br>150<br>VR = 2 V<br>Tj = 25 °C<br>100<br>50<br>0<br>0 5 10 15 20 25<br>95 9601 VZ - Z-Voltage (V)<br>/K)<br>-4<br> (10<br>Z<br>of V<br> - Temperature Coefficient<br>VZ<br>TK<br> - Diode Capacitance (pF)<br>D<br>C<br>**----- End of picture text -----**<br>


Fig. 5 - Typical Forward Current IF vs. Forward Voltage VF 

Fig. 2 - Typical Temperature Coefficient of Vz vs. Z-Voltage 

**==> picture [165 x 173] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>80<br>Ptot = 500 mW<br>Tamb = 25 °C<br>60<br>40<br>20<br>0<br>0 4 6 8 12 20<br>95 9604 VZ - Z-Voltage (V)<br>Fig. 6 - Typical Z-Current vs. Z-Voltage<br> - Z-Current (mA)<br>IZ<br>**----- End of picture text -----**<br>


Fig. 3 - Diode Capacitance vs. Z-Voltage 

Rev. 2.3, 04-Jun-2024 

Document Number: 85597 

**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 

**BZM55-Series** 

## www.vishay.com 

## Vishay Semiconductors 

**==> picture [161 x 155] intentionally omitted <==**

**----- Start of picture text -----**<br>
50<br>40 P tot  = 500 mW<br>Tamb = 25 °C<br>30<br>20<br>10<br>0<br>15 20 25 30 35<br>95 9607 VZ - Z-Voltage (V)<br> - Z-Current (mA)<br>IZ<br>**----- End of picture text -----**<br>


Fig. 7 - Typical Z-Current vs. Z-Voltage 

**==> picture [188 x 135] intentionally omitted <==**

**----- Start of picture text -----**<br>
Reflow Soldering<br>1.2<br>0.8 0.8 0.8<br>2.4<br>16773<br>**----- End of picture text -----**<br>


Fig. 9 - Recommended Foot Pads (in mm) 

**==> picture [161 x 137] intentionally omitted <==**

**----- Start of picture text -----**<br>
0.71 1.3 1.27<br>0.152<br>0.355<br>2.5<br>24<br>95 10329<br>9.9<br>25<br>10<br>**----- End of picture text -----**<br>


**==> picture [204 x 140] intentionally omitted <==**

**----- Start of picture text -----**<br>
Wave Soldering<br>1.4<br>0.9 1.0 0.9<br>2.8<br>16774<br>**----- End of picture text -----**<br>


Fig. 8 - Board for RthJA Definition (in mm) 

Fig. 10 - Recommended Foot Pads (in mm) 

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**----- Start of picture text -----**<br>
1000<br>t p /T = 0.5<br>100<br>t p /T = 0.2<br>Single Pulse RthJA = 300 K/W<br>T = Tj max. - Tamb<br>10 tp/T = 0.01<br>t p /T = 0.1 t p /T = 0.02<br>tp/T = 0.05 i ZM  = (- V Z  + (V Z2  + 4r zj  x T/Z thp )  1/2 )/(2r zj )<br>1<br>10 [-1] 10 [0] 10 [1] 10 [2]<br>tp - Pulse Length (ms) 95 9603<br>Fig. 11 - Thermal Response<br> - Thermal Resistance for Pulse Cond. (K/W)<br>thp<br>Z<br>**----- End of picture text -----**<br>


Rev. 2.3, 04-Jun-2024 

Document Number: 85597 

**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 

**BZM55-Series** 

www.vishay.com 

## Vishay Semiconductors 

## **PACKAGE DIMENSIONS** in millimeters (inches): **MicroMELF (SOD-80)** 

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Cathode indification<br>1 (0.039) surface plan<br>*<br>0.25 (0.010)<br>0.15 (0.006)<br>2 (0.079)<br>1.8 (0.071)<br>* The gap between plug and glass can<br>    be either on cathode or anode side<br>1.2 (0.047) 1.1 (0.043)<br>**----- End of picture text -----**<br>


**==> picture [116 x 110] intentionally omitted <==**

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> R2.5 (0.098)<br>glass<br>< 1.35 (0.053)glass<br>surface plan<br>0.6 (0.024)<br>**----- End of picture text -----**<br>


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Foot print recommendation:<br>Reflow soldering Wave soldering<br>2.4 (0.094) 2.8 (0.110)<br>0.8 (0.031) 0.8 (0.031) 0.9 (0.035) 0.9 (0.035)<br>0.8 (0.031)<br>1 (0.039)<br>)(0.055<br>1.2 (0.047)<br>1.4<br>**----- End of picture text -----**<br>


Created - Date: 26.July.1996 Rev. 13 - Date: 07.June.2006 Document no.:6.560-5007.01-4 96 12072 

Rev. 2.3, 04-Jun-2024 

Document Number: 85597 

**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 

**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. 

Vishay products are not designed for use in life-saving or life-sustaining applications or any application in which the failure of the Vishay product could result in personal injury or death unless specifically qualified in writing by Vishay. 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. 

Document Number: 91000 

_**© 2024 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED**_ 

Revision: 01-Jul-2024 

**1** 

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

Updated at April 28, 2026

Vishay is a global leader in the manufacturing of discrete semiconductors and passive electronic components. Renowned for its exceptional quality and engineering expertise, the company produces highly reliable solutions that drive innovation across the industrial, automotive, telecommunications, and consumer electronics markets. From advanced factory automation to vehicle electrification, Vishay components provide the foundational building blocks for modern electronic design. The company's expansive portfolio is heavily focused on efficient power management, signal routing, and energy storage. Within its passive component lineup, Vishay is recognized for its extensive array of high-performance capacitors, including robust aluminium electrolytic, film, and polymer variants, alongside highly efficient power inductors. In the realm of discrete semiconductors, Vishay is a premier manufacturer of single and dual MOSFETs, as well as a vast selection of Schottky, Zener, and fast-recovery rectifier diodes designed for demanding power applications. Furthermore, Vishay delivers industry-leading circuit protection and thermal management solutions. With a broad offering of transient voltage suppressors (TVS diodes) and temperature-sensing NTC thermistors, these components are engineered to safeguard sensitive circuitry against both electrical and thermal overstress. By combining this vital mix of advanced discretes and passives, Vishay enables engineers to develop robust, space-saving, and highly resilient electronic systems.

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