MMSZ5231B-E3-08 is out of stock and can be placed on backorder.
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Diodes Incorporated
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Zener Diode 5.1 V 500 mW ±5% Surface Mount SOD-123
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Zener Diode 5.1 V 500 mW ±5% Surface Mount SOD-123
SOD 123

MMSZ5231B-E3-08

DigiKey Part Number
MMSZ5231B-E3-08TR-ND - Tape & Reel (TR)
MMSZ5231B-E3-08CT-ND - Cut Tape (CT)
MMSZ5231B-E3-08DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
MMSZ5231B-E3-08
Description
DIODE ZENER 5.1V 500MW SOD123
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Zener Diode 5.1 V 500 mW ±5% Surface Mount SOD-123
Datasheet
 Datasheet
EDA/CAD Models
MMSZ5231B-E3-08 Models
Product Attributes
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Category
Impedance (Max) (Zzt)
17 Ohms
Mfr
Current - Reverse Leakage @ Vr
5 µA @ 2 V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Operating Temperature
-55°C ~ 150°C
Part Status
Active
Mounting Type
Surface Mount
Voltage - Zener (Nom) (Vz)
Package / Case
Tolerance
±5%
Supplier Device Package
SOD-123
Power - Max
500 mW
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (24)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
DDZ5V1B-7Diodes Incorporated0DDZ5V1BDITR-ND$0.14000Direct
MMSZ5231B-7-FDiodes Incorporated0MMSZ5231B-FDITR-ND$0.10000Direct
BZT52C5V1LP-7Diodes Incorporated0BZT52C5V1LP-7DITR-ND$0.27000Similar
BZT52C5V1Q-7-FDiodes Incorporated031-BZT52C5V1Q-7-FTR-ND$0.20000Similar
BZT52C5V1S-7-FDiodes Incorporated0BZT52C5V1S-FDITR-ND$0.13000Similar
In-Stock: 0
3,000 estimated in stock on 27-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.27000$0.27
10$0.18200$1.82
100$0.08890$8.89
500$0.07414$37.07
1,000$0.05151$51.51
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.04588$137.64
6,000$0.04106$246.36
9,000$0.03860$347.40
15,000$0.02500$375.00
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.