1SMB5943BT3G is out of stock and can be placed on backorder.
Available Substitutes:

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Vishay General Semiconductor - Diodes Division
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Diotec Semiconductor
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Unit Price: $0.43000
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Zener Diode 56 V 3 W ±5% Surface Mount SMB
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

1SMB5943BT3G

DigiKey Part Number
1SMB5943BT3GOSTR-ND - Tape & Reel (TR)
1SMB5943BT3GOSCT-ND - Cut Tape (CT)
1SMB5943BT3GOSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
1SMB5943BT3G
Description
DIODE ZENER 56V 3W SMB
Manufacturer Standard Lead Time
16 Weeks
Customer Reference
Detailed Description
Zener Diode 56 V 3 W ±5% Surface Mount SMB
Datasheet
 Datasheet
EDA/CAD Models
1SMB5943BT3G Models
Product Attributes
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Category
Current - Reverse Leakage @ Vr
1 µA @ 42.6 V
Mfr
Voltage - Forward (Vf) (Max) @ If
1.5 V @ 200 mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Operating Temperature
-65°C ~ 150°C
Part Status
Active
Mounting Type
Surface Mount
Voltage - Zener (Nom) (Vz)
Package / Case
Tolerance
±5%
Supplier Device Package
SMB
Power - Max
3 W
Base Product Number
Impedance (Max) (Zzt)
86 Ohms
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (3)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
SMBZ5943B-E3/52Vishay General Semiconductor - Diodes Division0SMBZ5943B-E3/52-ND$0.16054Similar
SMBZ5943B-E3/5BVishay General Semiconductor - Diodes Division0SMBZ5943B-E3/5B-ND$0.15917Similar
Z2SMB56Diotec Semiconductor04878-Z2SMB56TR-ND$0.43000Similar
In-Stock: 0
2,500 estimated in stock on 19-Jan-2027
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Marketplace Stock: 10,000 View Now
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.36000$0.36
10$0.27900$2.79
100$0.16740$16.74
500$0.15504$77.52
1,000$0.10542$105.42
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$0.07675$191.88
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.

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10,000In Stock
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