MMSZ5266C-HE3_A-08

Zener Single Diode, 68 V, 500 mW, SOD-123, 2 Pins, 150 °C, Surface Mount

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Manufacturer: VISHAY
Product type: Zener Single Diodes
SVHC: No SVHC (25-Jun-2025)
No. of Pins: 2Pins
Product Range: -
Qualification: AEC-Q101
Diode Mounting: Surface Mount
Diode Case Style: SOD-123
Power Dissipation: 500mW
Zener Voltage Nom: 68V
Operating Temperature Max: 150°C

Delivery and price
Units per pack	15000
Price	0.025 €
Current stock	10+
Lead time	30 days

Datasheet

**MMSZ5225 to MMSZ5267** 

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VISHAY, —<br>**----- End of picture text -----**<br>


www.vishay.com 

## Vishay Semiconductors 

## **Small Signal Zener Diodes** 

## **FEATURES** 

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1 2<br>20278<br>**----- End of picture text -----**<br>


- Silicon planar Zener diodes 

- Available 

- • Standard Zener voltage tolerance is ± 5 % with a “B” suffix (e.g.: MMSZ5225B), suffix “C” is ± 2 % tolerance 

- AEC-Q101 qualified available 

## **MARKING** (example only) 

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X.Y = type code<br>Y4 = date code<br>23210 Cathode mark<br>X.Y Y4<br>**----- End of picture text -----**<br>


**LINKS TO ADDITIONAL RESOURCES** SPICE 3D Models Models 

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

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

- Base P/N-HE3_A - RoHS-compliant, AEC-Q101 qualified 

- 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.|3.0 to 75|V|
|Test current IZT|1.7 to 20|mA|
|VZspecification|Thermal equilibrium||
|Circuit configuration|Single||



## **ORDERING INFORMATION** 

|**ORDERING INFORMATION**|**ORDERING INFORMATION**|**ORDERING INFORMATION**|**ORDERING INFORMATION**|**ORDERING INFORMATION**|**ORDERING INFORMATION**|
|---|---|---|---|---|---|
|**DEVICE NAME**|**ORDERING CODE**|**ZENER**<br>**VOLTAGE**<br>**TOLERANCE**|**AEC-Q101**<br>**QUALIFIED**|**TAPED UNITS**<br>**PER REEL**|**MINIMUM**<br>**ORDER**<br>**QUANTITY**|
|MMSZ5225 to<br>MMSZ5267|MMSZ5225B-E3-08 to MMSZ5267B-E3-08|5 %|no|3000<br>(8 mm tape on 7" reel)|15 000/box|
||MMSZ5225C-E3-08 to MMSZ5267C-E3-08|2 %|no|||
||MMSZ5225B-HE3_A-08 to MMSZ5267B-H3_A-08|5 %|yes|||
||MMSZ5225C-HE3_A-08 to MMSZ5267C-H3_A-08|2 %|yes|||
||MMSZ5225B-E3-18 to MMSZ5267B-E3-18|5 %|no|10 000<br>(8 mm tape on 13" reel)|10 000/box|
||MMSZ5225C-E3-18 to MMSZ5267C-E3-18|2 %|no|||
||MMSZ5225B-HE3_A-18 to MMSZ5267B-H3_A-18|5 %|yes|||
||MMSZ5225C-HE3_A-18 to MMSZ5267C-H3_A-18|2 %|yes|||



## **PACKAGE** 

|**PACKAGE**|**PACKAGE**|**PACKAGE**|**PACKAGE**|**PACKAGE**|
|---|---|---|---|---|
|**PACKAGE**<br>**NAME**|**WEIGHT**|**MOLDING COMPOUND**<br>**FLAMMABILITY RATING**|**MOISTURE SENSITIVITY LEVEL**|**SOLDERING CONDITIONS**|
|SOD-123|10.6 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)|**ABSOLUTE MAXIMUM RATINGS**(Tamb= 25 °C,unless otherwise specified)|**ABSOLUTE MAXIMUM RATINGS**(Tamb= 25 °C,unless otherwise specified)|**ABSOLUTE MAXIMUM RATINGS**(Tamb= 25 °C,unless otherwise specified)|
|---|---|---|---|---|
|**PARAMETER**|**TEST CONDITION**|**SYMBOL**|**VALUE**|**UNIT**|
|Power dissipation|RthJL= 250 K/W|Ptot|500|mW|
||On FR-4 board with recommended solderingfootprint|Ptot|300|mW|
|Thermal resistance junction to lead||RthJL|250|K/W|
|Thermal resistance junction to ambient|According to JEDEC®51-3 on FR-4 board with<br>recommended soldering footprint|RthJA|420|K/W|
|Junction temperature||Tj|150|°C|
|Storage temperature range||Tstg|-65 to +150||
|Operating temperature range||Top|-55 to +150||



Rev. 1.0, 22-Dec-2022 

**1** 

Document Number: 86344 

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 

**MMSZ5225 to MMSZ5267** 

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)|
|---|---|---|---|---|---|---|---|---|---|---|
|**PART NUMBER**|**MARKING**<br>**CODE**||**ZENER VOLTAGE**<br>**RANGE(1)**|**TEST**<br>**CURRENT**||**REVERSE**<br>**LEAKAGE**<br>**CURRENT**||**DYNAMIC**<br>**RESISTANCE**||**TEMPERATURE**<br>**COEFFICIENT**|
||||**VZ at IZT1**|**IZT1**|**IZT2**|**IR at VR**||**ZZ at IZT1**|**ZZK at IZT2**|α**VZ**|
||||**V**|**mA**||**μA**|**V**|Ω||**%/°C**|
||||**NOM.**|||**MAX.**||**MAX.**|**MAX.**|**TYP.**|
|MMSZ5225|C.0|C0|3|20|0.25|50|1|30|1600|-0.06|
|MMSZ5226|D.6|D6|3.3|20|0.25|25|1|28|1600|-0.057|
|MMSZ5227|D.7|D7|3.6|20|0.25|15|1|24|1700|-0.056|
|MMSZ5228|D.8|D8|3.9|20|0.25|10|1|23|1900|-0.045|
|MMSZ5229|D.9|D9|4.3|20|0.25|5|1|22|2000|-0.029|
|MMSZ5230|D.0|D0|4.7|20|0.25|5|2|19|1900|0.00|
|MMSZ5231|E.6|E6|5.1|20|0.25|5|2|17|1600|0.00|
|MMSZ5232|E.7|E7|5.6|20|0.25|5|3|11|1600|0.032|
|MMSZ5233|E.8|E8|6|20|0.25|5|3.5|7|1600|0.035|
|MMSZ5234|E.9|E9|6.2|20|0.25|5|4|7|1000|0.039|
|MMSZ5235|E.0|E0|6.8|20|0.25|3|5|5|750|0.045|
|MMSZ5236|F.6|F6|7.5|20|0.25|3|6|6|500|0.052|
|MMSZ5237|F.7|F7|8.2|20|0.25|3|6.5|8|500|0.056|
|MMSZ5238|F.8|F8|8.7|20|0.25|3|6.5|8|600|0.058|
|MMSZ5239|F.9|F9|9.1|20|0.25|3|7|10|600|0.060|
|MMSZ5240|F.0|F0|10|20|0.25|3|8|17|600|0.064|
|MMSZ5241|H.6|H6|11|20|0.25|2|8.4|22|600|0.067|
|MMSZ5242|H.7|H7|12|20|0.25|1|9.1|30|600|0.070|
|MMSZ5243|H.8|H8|13|9.5|0.25|0.5|9.9|13|600|0.073|
|MMSZ5244|H.9|H9|14|9|0.25|0.1|10|15|600|0.076|
|MMSZ5245|H.0|H0|15|8.5|0.25|0.1|11|16|600|0.078|
|MMSZ5246|J.6|J6|16|7.8|0.25|0.1|12|17|600|0.080|
|MMSZ5247|J.7|J7|17|7.4|0.25|0.1|13|19|600|0.081|
|MMSZ5248|J.8|J8|18|7|0.25|0.1|14|21|600|0.082|
|MMSZ5249|J.9|J9|19|6.6|0.25|0.1|14|23|600|0.083|
|MMSZ5250|J.0|J0|20|6.2|0.25|0.1|15|25|600|0.084|
|MMSZ5251|K.6|K6|22|5.6|0.25|0.1|17|29|600|0.085|
|MMSZ5252|K.7|K7|24|5.2|0.25|0.1|18|33|600|0.087|
|MMSZ5253|K.8|K8|25|5|0.25|0.1|19|35|600|0.088|
|MMSZ5254|K.9|K9|27|4.6|0.25|0.1|21|41|600|0.09|
|MMSZ5255|K.0|K0|28|4.5|0.25|0.1|21|44|600|0.091|
|MMSZ5256|M.6|M6|30|4.2|0.25|0.1|23|49|600|0.092|
|MMSZ5257|M.7|M7|33|3.8|0.25|0.1|25|58|700|0.092|
|MMSZ5258|M.8|M8|36|3.4|0.25|0.1|27|70|700|0.093|
|MMSZ5259|M.9|M9|39|3.2|0.25|0.1|30|80|800|0.094|
|MMSZ5260|M.0|M0|43|3|0.25|0.1|33|93|900|0.095|
|MMSZ5261|N.6|N6|47|2.7|0.25|0.1|36|105|1000|0.095|
|MMSZ5262|N.7|N7|51|2.5|0.25|0.1|39|125|1100|0.096|
|MMSZ5263|N.8|N8|56|2.2|0.25|0.1|43|150|1300|0.096|
|MMSZ5264|N.9|N9|60|2.1|0.25|0.1|46|170|1400|0.097|
|MMSZ5265|N.0|N0|62|2|0.25|0.1|47|185|1400|0.097|
|MMSZ5266|P.6|P6|68|1.8|0.25|0.1|52|230|1600|0.097|
|MMSZ5267|P.7|P7|75|1.7|0.25|0.1|56|270|1700|0.098|



**Notes** 

• Maximum VF = 0.9 V, at IF = 10 mA (1) Measured with device junction in thermal equilibrium with typ. RthJA of 370 K/W 

Rev. 1.0, 22-Dec-2022 

Document Number: 86344 

**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 

**MMSZ5225 to MMSZ5267** 

www.vishay.com 

## Vishay Semiconductors 

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

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600 10000<br>500<br>400 1000<br>300<br>200 100<br>100<br>0 10<br>0 25 50 75 100 125 150 175<br>Tamb - Ambient Temperature (°C)<br>Power dissipation (mW)<br>**----- End of picture text -----**<br>


Fig. 1 - Admissible Power Dissipation vs. Ambient Temperature 

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1000 10000<br>recommended soldering<br>footprint on FR-4 board<br>acc. JEDEC 51-3<br>100 1000<br>10 100<br>Zth junction to lead<br>(leads clamped between<br>1 10<br>0.001 0.01 0.1 1 10 100 1000<br>tp - Pulse Width (s)<br> - Thermal Impedance (K/W)<br>th<br>Z<br>**----- End of picture text -----**<br>


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Fig. 2 - Thermal Impedance vs. Time<br>**----- End of picture text -----**<br>


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

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0.35 ± 0.1<br>0.5 ref.<br>Mounting Pad Layout<br>2.7 ± 0.15<br>Cathode bar<br>0.85 0.85<br>3.7 ± 0.15 2.5 (0.098)<br>0° to 8°<br>1.75 ± 0.175 0.20<br>0.12 0.1 max.<br>0.55 ± 0.1 0.85 (0.033)<br>1.55 ± 0.15<br>**----- End of picture text -----**<br>


Created - Date: 18.Oct.2021 Rev. 01 - Date: 18.Jan.2022 Document no.: S8-V-3910.01-003 (4) 

Rev. 1.0, 22-Dec-2022 

Document Number: 86344 

**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 

**MMSZ5225 to MMSZ5267** 

www.vishay.com 

## Vishay Semiconductors 

## **ORIENTATION IN CARRIER TAPE** 

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Unreeling direction<br>Cathode<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
SOD-123<br>**----- End of picture text -----**<br>


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


Created - Date: 09. Feb. 2016 Rev. 01 - Date: 07. Nov. 2022 Document no.: S8-V-3717.10-003 (4) 

## **CARRIER TAPE** 

## A-A Section 

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0.203 ± 0.013<br>2 ± 0.05 4 ± 0.1 A<br>Ø 1.55 ± 0.05<br>+0.25<br>Ø 1<br>0.00<br>B<br>A<br>1.57 ± 0.1<br>4 ± 0.1<br>B-B Section<br>1.75 ± 0.1<br>3.5 ± 0.05 -0.00<br>8  +0.2 3.94 ± 0.1<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
1.85 ± 0.1<br>**----- End of picture text -----**<br>


Created - Date: 07. Feb. 2013 Rev. 01 - Date: 01. Mar. 2014 Document no.: S8-V-3717.10-003 (4) 

**4** 

Rev. 1.0, 22-Dec-2022 

Document Number: 86344 

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. 

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. 

_**© 2023 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED**_ 

Revision: 01-Jan-2023 

Document Number: 91000 

**1**

Updated at April 11, 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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