MMSZ5229BT1G is out of stock and can be placed on backorder.
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onsemi
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Zener Diode 4.3 V 500 mW ±5% Surface Mount SOD-123
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMSZ5229BT1G

DigiKey Part Number
MMSZ5229BT1GOSTR-ND - Tape & Reel (TR)
MMSZ5229BT1GOSCT-ND - Cut Tape (CT)
MMSZ5229BT1GOSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
MMSZ5229BT1G
Description
DIODE ZENER 4.3V 500MW SOD123
Manufacturer Standard Lead Time
31 Weeks
Customer Reference
Detailed Description
Zener Diode 4.3 V 500 mW ±5% Surface Mount SOD-123
Datasheet
 Datasheet
EDA/CAD Models
MMSZ5229BT1G Models
Product Attributes
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Category
Impedance (Max) (Zzt)
22 Ohms
Mfr
Current - Reverse Leakage @ Vr
5 µA @ 1 V
Series
Voltage - Forward (Vf) (Max) @ If
900 mV @ 10 mA
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 (10)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMSZ4687T1Gonsemi235,720MMSZ4687T1GOSTR-ND$0.12000Direct
SZMMSZ4687T1Gonsemi51,000SZMMSZ4687T1GOSTR-ND$0.39000Direct
MMSZ4V3T1Gonsemi0MMSZ4V3T1GOSTR-ND$0.14000Direct
SZMMSZ4V3T1Gonsemi0SZMMSZ4V3T1GOSTR-ND$0.21000Direct
MMSZ5229B-7-FDiodes Incorporated0MMSZ5229B-FDITR-ND$0.22000Upgrade
In-Stock: 0
3,000 expected in stock on 16-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.15000$0.15
10$0.09500$0.95
100$0.05820$5.82
500$0.04218$21.09
1,000$0.03698$36.98
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.02937$88.11
6,000$0.02777$166.62
9,000$0.02363$212.67
30,000$0.02186$655.80
75,000$0.01891$1,418.25
150,000$0.01572$2,358.00
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.