1SMB5931BT3G is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Diodes Incorporated
In Stock: 0
Unit Price: $0.42000
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Microchip Technology
In Stock: 0
Unit Price: $0.77000
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MCC (Micro Commercial Components)
In Stock: 0
Unit Price: $0.31000
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MCC (Micro Commercial Components)
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Unit Price: $0.31000
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Panjit International Inc.
In Stock: 0
Unit Price: $0.59000
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Diotec Semiconductor
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Unit Price: $0.50000
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Zener Diode 18 V 3 W ±5% Surface Mount SMB
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

1SMB5931BT3G

DigiKey Part Number
1SMB5931BT3GOSTR-ND - Tape & Reel (TR)
1SMB5931BT3GOSCT-ND - Cut Tape (CT)
1SMB5931BT3GOSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
1SMB5931BT3G
Description
DIODE ZENER 18V 3W SMB
Manufacturer Standard Lead Time
24 Weeks
Customer Reference
Detailed Description
Zener Diode 18 V 3 W ±5% Surface Mount SMB
Datasheet
 Datasheet
EDA/CAD Models
1SMB5931BT3G Models
Product Attributes
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Category
Current - Reverse Leakage @ Vr
1 µA @ 13.7 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)
12 Ohms
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
1SMB5931B-13Diodes Incorporated031-1SMB5931B-13TR-ND$0.42000Direct
SMBJ4746A/TR13Microchip Technology0SMBJ4746A/TR13-ND$0.77000Similar
3SMAJ5931B-TPMCC (Micro Commercial Components)03SMAJ5931B-TPMSTR-ND$0.31000Similar
3SMBJ5931B-TPMCC (Micro Commercial Components)03SMBJ5931BTPMSTR-ND$0.31000Similar
1SMB3EZ18_R1_00001Panjit International Inc.03757-1SMB3EZ18_R1_00001TR-ND$0.59000Similar
In-Stock: 0
2,500 past due; estimated in-stock on 08-Sep-2026
Request Stock Notification
Marketplace Stock: 2,500 View Now
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.47000$0.47
10$0.23800$2.38
100$0.12900$12.90
500$0.12800$64.00
1,000$0.12100$121.00
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$0.07262$181.55
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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2,500In Stock
Ships from Flip Electronics