PTZTE257.5B is available for purchase but is not normally stocked.
Available Substitutes:

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Rohm Semiconductor
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Unit Price: € 0,54000
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Panjit International Inc.
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onsemi
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Diodes Incorporated
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Datasheet
Zener Diode 7.9 V 1 W ±6% Surface Mount PMDS
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

PTZTE257.5B

DigiKey Part Number
PTZTE257.5BTR-ND - Tape & Reel (TR)
PTZTE257.5BCT-ND - Cut Tape (CT)
PTZTE257.5BDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
PTZTE257.5B
Description
DIODE ZENER 7.9V 1W PMDS
Customer Reference
Detailed Description
Zener Diode 7.9 V 1 W ±6% Surface Mount PMDS
Datasheet
 Datasheet
Product Attributes
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Category
Impedance (Max) (Zzt)
4 Ohms
Mfr
Current - Reverse Leakage @ Vr
20 µA @ 4 V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Mounting Type
Surface Mount
Part Status
Not For New Designs
Package / Case
Voltage - Zener (Nom) (Vz)
Supplier Device Package
PMDS
Tolerance
±6%
Base Product Number
Power - Max
1 W
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
PDZVTR7.5BRohm Semiconductor7 908PDZVTR7.5BCT-ND€ 0,54000Similar
1SMA4737-AU_R1_000A1Panjit International Inc.9303757-1SMA4737-AU_R1_000A1CT-ND€ 0,24000Similar
1SMA5922BT3Gonsemi36 2161SMA5922BT3GOSCT-ND€ 0,48000Similar
SMAZ7V5-13-FDiodes Incorporated6 236SMAZ7V5-FDICT-ND€ 0,41000Similar
SMAZ8V2-13-FDiodes Incorporated46 964SMAZ8V2-FDICT-ND€ 0,51000Similar
Available To Order
This product is not kept in stock at DigiKey. The lead time shown will apply to the manufacturer’s shipment to DigiKey. Upon receiving the product, DigiKey will ship to fill open orders.
Not recommended for new design, minimums may apply View Substitutes
All prices are in EUR
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1€ 0,67000€ 0,67
* All Digi-Reel orders will add a € 5,50 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1 500€ 0,17388€ 260,82
3 000€ 0,15829€ 474,87
4 500€ 0,15052€ 677,34
Manufacturers Standard Package
Unit Price without VAT:€ 0,67000
Unit Price with VAT:€ 0,81740