MMSZ5259BT1G is out of stock and can be placed on backorder.
Available Substitutes:

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onsemi
In Stock: 0
Unit Price: $0.16000
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onsemi
In Stock: 0
Unit Price: $0.35000
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Diodes Incorporated
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Central Semiconductor Corp
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Zener Diode 39 V 500 mW ±5% Surface Mount SOD-123
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMSZ5259BT1G

DigiKey Part Number
MMSZ5259BT1GOSTR-ND - Tape & Reel (TR)
MMSZ5259BT1GOSCT-ND - Cut Tape (CT)
MMSZ5259BT1GOSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
MMSZ5259BT1G
Description
DIODE ZENER 39V 500MW SOD123
Manufacturer Standard Lead Time
30 Weeks
Customer Reference
Detailed Description
Zener Diode 39 V 500 mW ±5% Surface Mount SOD-123
Datasheet
 Datasheet
EDA/CAD Models
MMSZ5259BT1G Models
Product Attributes
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Category
Impedance (Max) (Zzt)
80 Ohms
Mfr
Current - Reverse Leakage @ Vr
100 nA @ 30 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 (7)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMSZ39T1Gonsemi0MMSZ39T1GOSTR-ND$0.16000Direct
SZMMSZ39T1Gonsemi0488-SZMMSZ39T1GTR-ND$0.35000Direct
MMSZ5259B-7-FDiodes Incorporated0MMSZ5259B-FDITR-ND$0.13000Upgrade
DDZ39F-7Diodes Incorporated0DDZ39F-7DITR-ND$0.14000Similar
CMHZ5259B TR PBFREECentral Semiconductor Corp01514-CMHZ5259BTRPBFREETR-ND$0.08057Similar
In-Stock: 0
3,000 past due; estimated in-stock on 09-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.10000$0.10
10$0.06500$0.65
100$0.03800$3.80
500$0.03500$17.50
1,000$0.02900$29.00
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.01700$51.00
6,000$0.01581$94.86
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.