JANTX1N4957 vs 1N4957US feature comparison

JANTX1N4957 Unitrode Corporation

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1N4957US Bkc Semiconductors Inc

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer UNITRODE CORP BKC SEMICONDUCTORS INC
Reach Compliance Code unknown unknown
Case Connection ISOLATED ISOLATED
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
JESD-30 Code O-LALF-W2 O-MELF-R2
Knee Impedance-Max 400 Ω
Number of Elements 1 1
Number of Terminals 2 2
Operating Temperature-Max 175 °C 200 °C
Operating Temperature-Min -65 °C
Package Body Material GLASS METAL
Package Shape ROUND ROUND
Package Style LONG FORM LONG FORM
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 5 W 5 W
Qualification Status Not Qualified Not Qualified
Reference Standard MIL-19500/356
Reference Voltage-Nom 9.1 V 9.1 V
Reverse Current-Max 25 µA
Surface Mount NO YES
Technology ZENER ZENER
Terminal Form WIRE WRAP AROUND
Terminal Position AXIAL END
Voltage Temp Coeff-Max 5.46 mV/°C
Voltage Tol-Max 5% 5%
Working Test Current 150 mA 150 mA
Base Number Matches 1 5
Rohs Code No
Dynamic Impedance-Max 1 Ω
JESD-609 Code e0
Terminal Finish TIN LEAD

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Compare 1N4957US with alternatives