1N4733A-TR

Zener Single Diode, 5.1 V, 1.3 W, DO-41 (DO-204AL), 2 Pins, 175 °C, Through Hole

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Manufacturer: VISHAY
Product type: Zener Single Diodes
Zener Voltage Vz Typ:5.1V; Power Dissipation Pd:1.3W; Diode Case Style:DO-41 (DO-204AL); Zener Tolerance ±:5%; No. of Pins:2Pins; Operating Temperature Max:175°C; Product Range:1N47xxA Series; A
SVHC: No SVHC (04-Feb-2026)
No. of Pins: 2Pins
Product Range: 1N47xxA
Qualification: AEC-Q101
Diode Mounting: Through Hole
Diode Case Style: DO-41 (DO-204AL)
Power Dissipation: 1.3W
Zener Voltage Nom: 5.1V
Operating Temperature Max: 175°C

Delivery and price
Units per pack	5000
Price	0.049 €
Current stock	1000+
Lead time	30 days

Datasheet

**1N4728A to 1N4761A** 

~~—~~ www.vishay.com 

## Vishay Semiconductors 

## **Zener Diodes** 

## **FEATURES** 

- Silicon planar power Zener diodes 

- For use in stabilizing and clipping circuits with high power rating 

- Standard Zener voltage tolerance is ± 5 % 

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

## **APPLICATIONS** 

## **LINKS TO ADDITIONAL RESOURCES** 

- Voltage stabilization 

3D Models Marking Parametric Order Samples Search 

## **PRIMARY CHARACTERISTICS** 

|**PRIMARY CHARACTERISTICS**|**PRIMARY CHARACTERISTICS**|**PRIMARY CHARACTERISTICS**|
|---|---|---|
|**PARAMETER**|**VALUE**|**UNIT**|
|VZrange nom.|3.3 to 75|V|
|Test current IZT|3.3 to 76|mA|
|VZspecification|Thermal equilibrium||
|Circuit configuration|Single||



## **ORDERING INFORMATION** 

|**ORDERING INFORMATION**|**ORDERING INFORMATION**|**ORDERING INFORMATION**|**ORDERING INFORMATION**|
|---|---|---|---|
|**DEVICE NAME**|**ORDERING CODE**|**TAPED UNITS PER REEL**|**MINIMUM ORDER QUANTITY**|
|1N4728A to 1N4761A|1N4728A to 1N4761A -series-TR|5000 per 14" reel|25 000/box|
|1N4728A to 1N4761A|1N4728A to 1N4761A-series-TAP|5000 per ammopack<br>(52 mm tape)|25 000/box|



## **PACKAGE** 

|**PACKAGE**|**PACKAGE**|**PACKAGE**|**PACKAGE**|**PACKAGE**|
|---|---|---|---|---|
|**PACKAGE NAME**|**WEIGHT**|**MOLDING COMPOUND**<br>**FLAMMABILITY RATING**|**MOISTURE SENSITIVITY**<br>**LEVEL**|**SOLDERING CONDITIONS**|
|DO-41 (DO-204AL)|approx.<br>310 mg|UL 94 V-0|MSL level 1<br>(accordingJ-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), unless otherwise specified)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), unless otherwise specified)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), unless otherwise specified)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), unless otherwise specified)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), unless otherwise specified)unless otherwise specified)pecified)ecified))|
|---|---|---|---|---|
|**PARAMETER**|**TEST CONDITION**|**SYMBOL**|**VALUE**|**UNIT**|
|Power dissipation|Valid provided that leads at a distance of 4 mm<br>from case are kept at ambient temperature<br>tp= 10 ms|Ptot|1300|mW|
|Zener current||IZ|PV/VZ|mA|
|Thermal resistance junction to ambient air|Valid provided that leads at a distance of 4 mm<br>from case are kept at ambient temperature<br>tp= 10 ms|RthJA|110|K/W|
|Junction temperature||Tj|175|°C|
|Storage temperature range||Tstg|-65 to +175|°C|
|Forward voltage (max.)|IF= 200 mA|VF|1.2|V|



Rev. 2.7, 07-Nov-2024 

Document Number: 85816 

**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 

**1N4728A to 1N4761A** 

Vishay Semiconductors 

www.vishay.com 

|**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**|**ZENER VOLTAGE**<br>**RANGE (1)**|**TEST**<br>**CURRENT**||**REVERSE LEAKAGE**<br>**CURRENT**||**DYNAMIC**<br>**RESISTANCE**<br>**f = 1 kHz**||**SURGE**<br>**CURRENT(3)**|**REGULATOR**<br>**CURRENT(2)**|
||**VZ at IZT1**|**IZT1**|**IZT2**|**IR at VR**||**ZZT at  IZT1**|**ZZK at IZT2**|**IR**|**IZM**|
||**V**|**mA**|**mA**|**μA**|**V**|Ω||**mA**|**mA**|
||**NOM.**|||**MAX.**||**TYP.**|**MAX.**||**MAX.**|
|1N4728A|3.3|76|1|100|1|10|400|1380|276|
|1N4729A|3.6|69|1|100|1|10|400|1260|252|
|1N4730A|3.9|64|1|50|1|9|400|1190|234|
|1N4731A|4.3|58|1|10|1|9|400|1070|217|
|1N4732A|4.7|53|1|10|1|8|500|970|193|
|1N4733A|5.1|49|1|10|1|7|550|890|178|
|1N4734A|5.6|45|1|10|2|5|600|810|162|
|1N4735A|6.2|41|1|10|3|2|700|730|146|
|1N4736A|6.8|37|1|10|4|3.5|700|660|133|
|1N4737A|7.5|34|0.5|10|5|4|700|605|121|
|1N4738A|8.2|31|0.5|10|6|4.5|700|550|110|
|1N4739A|9.1|28|0.5|10|7|5|700|500|100|
|1N4740A|10|25|0.25|10|7.6|7|700|454|91|
|1N4741A|11|23|0.25|5|8.4|8|700|414|83|
|1N4742A|12|21|0.25|5|9.1|9|700|380|76|
|1N4743A|13|19|0.25|5|9.9|10|700|344|69|
|1N4744A|15|17|0.25|5|11.4|14|700|304|61|
|1N4745A|16|15.5|0.25|5|12.2|16|700|285|57|
|1N4746A|18|14|0.25|5|13.7|20|750|250|50|
|1N4747A|20|12.5|0.25|5|15.2|22|750|225|45|
|1N4748A|22|11.5|0.25|5|16.7|23|750|205|41|
|1N4749A|24|10.5|0.25|5|18.2|25|750|190|38|
|1N4750A|27|9.5|0.25|5|20.6|35|750|170|34|
|1N4751A|30|8.5|0.25|5|22.8|40|1000|150|30|
|1N4752A|33|7.5|0.25|5|25.1|45|1000|135|27|
|1N4753A|36|7|0.25|5|27.4|50|1000|125|25|
|1N4754A|39|6.5|0.25|5|29.7|60|1000|115|23|
|1N4755A|43|6|0.25|5|32.7|70|1500|110|22|
|1N4756A|47|5.5|0.25|5|35.8|80|1500|95|19|
|1N4757A|51|5|0.25|5|38.8|95|1500|90|18|
|1N4758A|56|4.5|0.25|5|42.6|110|2000|80|16|
|1N4759A|62|4|0.25|5|47.1|125|2000|70|14|
|1N4760A|68|3.7|0.25|5|51.7|150|2000|65|13|
|1N4761A|75|3.3|0.25|5|56|175|2000|60|12|



## **Notes** 

> (1) Based on DC measurement at thermal equilibrium while maintaining the lead temperature (TL) at 30 °C + 1 °C, 9.5 mm (3/8") from the diode body 

> (2) Valid provided that electrodes at a distance of 4 mm from case are kept at ambient temperature, tp = 10 ms 

> (3) tp = 10 ms. 

Rev. 2.7, 07-Nov-2024 

Document Number: 85816 

**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 

**1N4728A to 1N4761A** 

www.vishay.com 

## Vishay Semiconductors 

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

**==> picture [459 x 169] intentionally omitted <==**

**----- Start of picture text -----**<br>
Axis Title<br>1400<br>100<br>1200 T j  = 150 °C<br>10<br>1000<br>Tj = 75  ° C<br>800 1<br>600<br>0.1<br>400 Tj = 25 °C<br>200 0.01<br>0<br>0                   50                 100                 150                200 0.001<br> Tamb- Ambient Temperature (°C) 0 0.2 0.4 0.6 0.8 1<br>VF (V)<br>2nd line  (mA)IF<br> - Power  Dissipation (mW)<br>tot<br>P<br>**----- End of picture text -----**<br>


Fig. 1 - Admissible Power Dissipation vs. Ambient Temperature Ptot = f (Tamb) 

Fig. 2 - Typical Forward Current IF vs. Forward Voltage VF 

## **PACKAGE DIMENSIONS** in millimeters (inches): **DO-41 (DO-204AL)_1N47xx** 

**==> picture [385 x 257] intentionally omitted <==**

**----- Start of picture text -----**<br>
Cathode Identification<br>26 min. [1.024] 4.1 max. [0.161] 26 min. [1.024]<br>3.3 min. [0.128]<br>Document no. S8-V-3901.04-001(4)<br>Rev. 1 - Date: 30. Nov. 2011<br>22624<br>][0.034<br>Ø 0.86 max.  Ø 0.7 min. [0.027] Ø 2.6 max. [0.102] Ø 2.1 min. [0.081]<br>**----- End of picture text -----**<br>


Rev. 2.7, 07-Nov-2024 

Document Number: 85816 

**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 

**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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