SMBZ5942B-E3/5B is out of stock and can be placed on backorder.
Available Substitutes:

Direct


MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.31000
Datasheet

Direct


onsemi
In Stock: 0
Unit Price: $0.30000
Datasheet

Similar


onsemi
In Stock: 0
Unit Price: $0.79000
Datasheet
Zener Diode 51 V 3 W ±5% Surface Mount DO-214AA (SMBJ)
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

SMBZ5942B-E3/5B

DigiKey Part Number
112-SMBZ5942B-E3/5BTR-ND - Tape & Reel (TR)
112-SMBZ5942B-E3/5BCT-ND - Cut Tape (CT)
112-SMBZ5942B-E3/5BDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
SMBZ5942B-E3/5B
Description
DIODE ZENER 51V 3W DO214AA
Manufacturer Standard Lead Time
7 Weeks
Customer Reference
Detailed Description
Zener Diode 51 V 3 W ±5% Surface Mount DO-214AA (SMBJ)
Datasheet
 Datasheet
Product Attributes
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Category
Current - Reverse Leakage @ Vr
1 µA @ 38.8 V
Mfr
Voltage - Forward (Vf) (Max) @ If
1.5 V @ 200 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
DO-214AA (SMBJ)
Power - Max
3 W
Base Product Number
Impedance (Max) (Zzt)
70 Ohms
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
3SMBJ5942B-TPMCC (Micro Commercial Components)03SMBJ5942BTPMSTR-ND$0.31000Direct
1SMB5942BT3Gonsemi01SMB5942BT3GOSTR-ND$0.30000Direct
SZ1SMB5942BT3Gonsemi0488-SZ1SMB5942BT3GTR-ND$0.79000Similar
In-Stock: 0
3,200 estimated in stock on 31-Dec-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.52000$0.52
10$0.38500$3.85
100$0.28740$28.74
500$0.21858$109.29
1,000$0.18300$183.00
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,200$0.15100$483.20
6,400$0.13400$857.60
9,600$0.12800$1,228.80
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.