# ZENER DIODE, 500mW, 5.1V, DO-35

![Product image](https://novapart.co/image/farnell:2145973/)

**URL**: https://novapart.co/products/1N5231B/zener-diode-500mw-51v-do-35
**SKU**: 1N5231B
**Manufacturer**: MULTICOMP PRO
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Zener Single Diodes
**Price**: €0.0180
**Stock**: 1000+
**Lead Time**: 145 days (indicative)

## Description

Zener Voltage Nom:5.1V; Power Dissipation:500mW; Diode Case Style:DO-35; No. of Pins:2Pins; Operating Temperature Max:175°C; Diode Mounting:Through Hole; Product Range 90R9455

## Specifications

| Parameter | Value |
|---|---|
| No. Of Pins | 2Pins |
| Product Range | - |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | DO-35 |
| Power Dissipation | 500mW |
| Zener Voltage Nom | 5.1V |
| Operating Temperature Max | 175°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2145973/)

## **Zener Diode** 

## **Features** 

- High reliability. 

- Very sharp reverse characteristic. 

- Low reverse current level. 

- Vz-tolerance ±5%. 

## **Application** 

Voltage stabilization. 

## **Absolute Maximum Ratings Tj = 25°C** 

|**Absolute Maximum Ratings Tj = 25°Cj = 25°C = 25°C**|||||
|---|---|---|---|---|
|**Parameter**<br>**Test Conditions**|**Symbol**|**Value**|**Unit**||
|Power Dissipation<br>Tamb ≤ 75°C|Pv|500|mW||
|Z-Current<br>-|Iz|Pv / Vz|mA||
|Junction Temperature<br>-|Tj|200|°C||
|Storage Temperature Range<br>-|Tstg|-65 to +200|||
|**Maximum Thermal Resistance Tj = 25°C**|||||
|**Parameter**<br>**Test Conditions**<br>**Symbol**<br>**Value**<br>**Unit**<br>Junction Ambient<br>I = 9.5mm(3/8″)TL = constant<br>RthjA<br>300<br>K/W<br>~~es~~|||||
|Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation|||||
|above the recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating|||||
|conditions may affect device reliability.|||||



**Electrical Characteristics Tj = 25°C** 

|**VZnom1)**<br>~~ee~~|**Izt**<br>**for**<br>**rziT**<br>~~ee~~|**Izt**<br>**for**<br>**rziT**<br>~~ee~~|**rziK**<br>**at**<br>**Izk**<br>~~ee~~|**rziK**<br>**at**<br>**Izk**<br>~~ee~~|**Ir**<br>**at**<br>**Vr**<br>~~ee~~|**Ir**<br>**at**<br>**Vr**<br>~~ee~~|**TKvz**<br>~~ee~~|**Part Number**<br>~~ee~~|
|---|---|---|---|---|---|---|---|---|
|**V**<br>~~ee~~|**mA**<br>~~ee~~|**Ω**<br>~~ee~~|**Ω**<br>~~ee~~|**mA**<br>~~ee~~|**µA**<br>~~ee~~|**V**<br>~~ee~~|**%/K**<br>~~ee~~||
|2.4<br>~~a~~|20<br>~~a~~|< 30|< 1200|0.25|< 100|1|< -0.085|1N5221B|
|3.3<br>~~a~~<br><br>~~a~~|20<br>~~a~~<br>~~es~~<br>|< 28<br>~~ee~~|< 1600<br>~~es~~|0.25<br>~~es~~|< 25<br>~~es~~|1|< -0.07|1N5226B|
|3.6<br>~~a~~<br>~~a~~<br>~~a~~|20<br>~~aes~~<br>~~a~~<br>|< 24<br>~~ee~~<br>~~ee~~|< 1700<br>~~es~~<br>~~ee~~|0.25<br>~~es~~<br>~~ee~~|< 15<br>~~es~~|1|< -0.065|1N5227B|
|3.9<br><br>~~a ~~<br>~~a~~<br>~~a~~|20<br>~~es~~<br> ~~a~~<br>~~a~~|< 23<br>~~ee ~~<br>~~ee~~<br>~~ee~~|< 1900<br> ~~es~~<br>~~ee~~<br>~~ee~~|0.25<br>~~es~~<br>~~ee~~<br>~~ee~~|< 10<br>~~es~~|1|< -0.06|1N5228B|
|4.3<br> <br>~~a ~~<br>~~a~~<br>~~a~~|20<br> ~~a~~<br> ~~a~~<br>~~es~~|< 22<br>~~ee ~~<br>~~ee~~<br>~~ee~~|< 2000<br> ~~ee~~<br>~~ee~~<br>~~ee~~|0.25<br>~~ee~~<br>~~ee~~<br>~~ee~~|< 5|1|< +0.055|1N5229B|
|4.7<br> <br>~~a~~<br>~~a~~<br>~~a~~|20<br> ~~a~~<br>~~es~~<br>~~ee~~<br>|< 19<br>~~ee ~~<br>~~ee~~<br>~~ee~~|< 1900<br> ~~ee~~<br>~~ee~~<br>~~es~~|0.25<br>~~ee~~<br>~~ee~~|< 5|2|< +0.03|1N5230B|
|5.1<br>~~a~~<br>~~a~~|20<br>~~es ~~<br>~~ee~~<br>~~a~~|< 17<br> ~~ee ~~<br>~~ee~~<br>~~ee~~|< 1600<br> ~~ee~~<br>~~es~~<br>~~ee~~|0.25<br>~~ee~~<br>~~ee~~|< 5<br>~~ss~~|2<br>~~ss~~|< +0.03|1N5231B|
|5.6<br>~~a ~~|20<br>~~ee~~<br> ~~a~~|< 11<br>~~ee ~~<br>~~ee~~|< 1600<br> ~~es~~<br>~~ee~~|0.25<br>~~ee~~|< 5<br>~~ss~~|3<br>~~ss~~|< +0.038|1N5232B|



Newark.com/multicomp-pro Farnell.com/multicomp-pro Element14.com/multicomp-pro 

Page <1> 31/01/20 V1.0 

## **Zener Diode** 

|**VZnom1)**<br>~~ee~~|**Izt**<br>**for**<br>**rziT**<br>~~ee~~|**Izt**<br>**for**<br>**rziT**<br>~~ee~~|**rziK**<br>**at**<br>**Izk**<br>~~ee~~|**rziK**<br>**at**<br>**Izk**<br>~~ee~~|**Ir**<br>**at**<br>**Vr**<br>~~ee~~|**Ir**<br>**at**<br>**Vr**<br>~~ee~~|**TKvz**<br>~~ee~~|**Part Number**<br>~~ee~~<br>~~OO~~|
|---|---|---|---|---|---|---|---|---|
|**V**<br>~~ee~~<br>~~a~~<br>~~SS~~|**mA**<br>~~ee~~<br>~~OO~~|**Ω**<br>~~ee~~<br>~~OO~~|**Ω**<br>~~ee~~<br>~~OO~~|**mA**<br>~~ee~~<br>~~OO~~|**µA**<br>~~ee~~<br>~~OO~~|**V**<br>~~ee~~<br>~~OO~~|**%/K**<br>~~ee~~<br>~~OO~~||
|6<br>~~ee~~<br>~~SS~~|20<br>~~ee~~<br>~~OO~~|< 7<br>~~ee~~<br>~~OO~~|< 1600<br>~~ee~~<br>~~OO~~|0.25<br>~~ee~~<br>~~OO~~|< 5<br>~~ee~~<br>~~OO~~|3.5<br>~~ee~~<br>~~OO~~|< +0.038<br>~~ee~~<br>~~OO~~|1N5233B<br>~~ee~~<br>~~OO~~|
|6.2<br>~~SS~~<br>~~a OC~~|20<br>~~OO~~<br>~~OC~~|< 7<br>~~OO~~<br>~~OC~~|< 1000<br>~~OO~~<br>~~OC~~|0.25<br>~~OO~~<br>~~OC~~|< 5<br>~~OO~~<br>~~OC~~|4<br>~~OO~~<br>~~OC~~|< +0.045<br>~~OO~~<br>~~OC~~|1N5234B<br>~~OO~~<br>~~OC~~|
|6.8<br>~~a~~|20<br>|< 5<br>|< 750<br>|0.25<br>|< 3<br>|5<br>|< +0.05<br>|1N5235B<br>|
|7.5<br>~~SC~~|20<br>~~SC~~|< 6<br>~~SC~~|< 500<br>~~SC~~|0.25<br>~~SC~~|< 3<br>~~SC~~|6<br>~~SC~~|< +0.058<br>~~SC~~|1N5236B<br>~~SC~~|
|8.2<br>~~a~~<br>~~SS~~|20<br>~~CC~~<br>~~A~~|< 8<br>~~CC~~<br>~~A~~|< 500<br>~~CC~~<br>~~SC~~|0.25<br>~~CC~~<br>~~SC~~|< 3<br>~~CC~~|6.5<br>~~CC~~|< +0.062<br>~~CC~~|1N5237B<br>~~CC~~|
|8.7<br>~~SS~~|20<br>~~A~~|< 8<br>~~A~~|< 600<br>~~SC~~|0.25<br>~~SC~~|< 3|6.5|< +0.065|1N5238B|
|9.1<br>~~SS ~~<br>~~a OO~~|20<br> ~~A~~<br>~~OO~~|< 10<br>~~A~~<br>~~OO~~|< 600<br>~~SC~~<br>~~OO~~|0.25<br>~~SC~~<br>~~OO~~|< 3<br>~~OO~~|7<br>~~OO~~|< +0.068<br>~~OO~~|1N5239B<br>~~OO~~|
|10<br>~~a~~|20|< 17<br>~~SC~~|< 600<br>~~SC~~|0.25<br>~~SC~~|< 3|8|< +0.075|1N5240B|
|11<br>~~a~~|20|< 22<br>~~SO~~|< 600<br>~~SO~~|0.25<br>~~SO~~|< 2|8.4|< +0.076|1N5241B|
|12<br>~~a~~|20<br>~~A~~|< 30<br>~~A~~|< 600<br>~~OO~~|0.25<br>~~OO~~|< 1|9.1|< +0.077|1N5242B|
|13<br>~~a CC~~<br>~~SS~~|9.5<br>~~CC~~<br>~~OO~~|< 13<br>~~CC~~<br>~~OO~~|< 600<br>~~CC~~<br>~~OO~~|0.25<br>~~CC~~<br>~~OO~~|< 0.5<br>~~CC~~<br>~~OO~~|9.9<br>~~CC~~<br>~~OO~~|< +0.079<br>~~CC~~<br>~~OO~~|1N5243B<br>~~CC~~<br>~~OO~~|
|14<br>~~SS~~|9<br>~~OO~~|< 15<br>~~OO~~|< 600<br>~~OO~~|0.25<br>~~OO~~|< 0.1<br>~~OO~~|10<br>~~OO~~|< +0.082<br>~~OO~~|1N5244B<br>~~OO~~|
|15<br>~~SS~~<br>~~a OC~~|8.5<br>~~OO~~<br>~~OC~~|< 16<br>~~OO~~<br>~~OC~~|< 600<br>~~OO~~<br>~~OC~~|0.25<br>~~OO~~<br>~~OC~~|< 0.1<br>~~OO~~<br>~~OC~~|11<br>~~OO~~<br>~~OC~~|< +0.082<br>~~OO~~<br>~~OC~~|1N5245B<br>~~OO~~<br>~~OC~~|
|16<br>~~a~~|7.8|< 17<br>~~CO~~|< 600<br>~~CO~~|0.25<br>~~CO~~|< 0.1|12|< +0.083|1N5246B|
|17<br>~~a~~|7.4<br>~~A~~|< 19<br>~~A~~|< 600<br>~~SC~~|0.25<br>~~SC~~|< 0.1|13|< +0.084|1N5247B|
|18<br>~~SO~~|7<br>~~SO~~|< 21<br>~~SO~~|< 600<br>~~SO~~|0.25<br>~~SO~~|< 0.1<br>~~SO~~|14<br>~~SO~~|< +0.085<br>~~SO~~|1N5248B<br>~~SO~~|
|20<br>~~a~~|6.2<br>~~A~~|< 25<br>~~A~~|< 600<br>~~SO~~|0.25<br>~~SO~~|< 0.1|16|< +0.086|1N5250B|



- 1)  Based on DC - measurement at thermal equilibrium while maintaining the lead temperature (TL) at 30°C, 9.5mm (0.38″) from the diode body 

## **Characteristics (Tj = 25°C unless otherwise specified)** 

Zener Voltage versus Zener Current - Vz = 1 thru 16 Volts 

Zener Voltage versus Zener Current - Vz = 15 thru 30 Volts 

Newark.com/multicomp-pro Farnell.com/multicomp-pro Element14.com/multicomp-pro 

31/01/20 V1.0 

Page <2> 

## **Zener Diode** 

Thermal Resistance from Junction to Ambient as a Function of Pulse Duration 

## **Dimensions** 

Standard Glass Case JEDEC DO-35 

Dimensions : Millimetres 

**Important Notice :** This data sheet and its contents (the “Information”) belong to the members of the AVNET group of companies (the “Group”) or are licensed to it. No licence is granted for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence. Multicomp Pro is the registered trademark of Premier Farnell Limited 2019. 

Newark.com/multicomp-pro Farnell.com/multicomp-pro Element14.com/multicomp-pro 

31/01/20 V1.0 

Page <3> 



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- [Supplier page](https://es.farnell.com/multicomp-pro/1n5231b/zener-diode-500mw-5-1v-do-35/dp/2145973)
---

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