MMBZ5257B-7 is Discontinued and no longer carried by DigiKey.
Available Substitutes:

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Diodes Incorporated
In Stock: 2,712
Unit Price: £0.15000
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onsemi
In Stock: 3,579
Unit Price: £0.12000
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onsemi
In Stock: 19,123
Unit Price: £0.12000
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Central Semiconductor Corp
In Stock: 0
Unit Price: £0.05018
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Comchip Technology
In Stock: 0
Unit Price: £0.04793
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onsemi
In Stock: 2,913
Unit Price: £0.13000
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onsemi
In Stock: 31,870
Unit Price: £0.16000
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onsemi
In Stock: 49,958
Unit Price: £0.16000
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onsemi
In Stock: 0
Unit Price: £0.13000
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onsemi
In Stock: 0
Unit Price: £0.13000
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onsemi
In Stock: 0
Unit Price: £0.17000
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onsemi
In Stock: 409,043
Unit Price: £0.21000
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Zener Diode 33 V 350 mW ±5% Surface Mount SOT-23-3
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

MMBZ5257B-7

DigiKey Part Number
MMBZ5257BDITR-ND - Tape & Reel (TR)
MMBZ5257BDICT-ND - Cut Tape (CT)
Manufacturer
Manufacturer Product Number
MMBZ5257B-7
Description
DIODE ZENER 33V 350MW SOT23-3
Customer Reference
Detailed Description
Zener Diode 33 V 350 mW ±5% Surface Mount SOT-23-3
Datasheet
 Datasheet
Product Attributes
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Category
Current - Reverse Leakage @ Vr
100 nA @ 25 V
Mfr
Voltage - Forward (Vf) (Max) @ If
900 mV @ 10 mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Operating Temperature
-65°C ~ 150°C
Part Status
Discontinued at DigiKey
Mounting Type
Surface Mount
Voltage - Zener (Nom) (Vz)
Package / Case
Tolerance
±5%
Supplier Device Package
SOT-23-3
Power - Max
350 mW
Base Product Number
Impedance (Max) (Zzt)
58 Ohms
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (12)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
MMBZ5257B-7-FDiodes Incorporated2,712MMBZ5257B-FDICT-ND£0.15000Direct
BZX84C33LT1Gonsemi3,579BZX84C33LT1GOSCT-ND£0.12000Similar
BZX84C33LT3Gonsemi19,123488-BZX84C33LT3GCT-ND£0.12000Similar
CMPZ5257B BK PBFREECentral Semiconductor Corp01514-CMPZ5257BBKPBFREE-ND£0.05018Similar
CZRT55C33-GComchip Technology0CZRT55C33-G-ND£0.04793Similar
Discontinued
This product is no longer carried by DigiKey. View Substitutes
All prices are in GBP
Cut Tape (CT)
QuantityUnit PriceExt Price
1£0.19000£0.19
Tape & Reel (TR)
QuantityUnit PriceExt Price
30,000£0.03967£1,190.10
75,000£0.03705£2,778.75
Unit Price without VAT:£0.19000
Unit Price with VAT:£0.22800