1N957B vs 1N957A feature comparison

1N957B Microchip Technology Inc

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1N957A Microchip Technology Inc

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Rohs Code No No
Part Life Cycle Code Active Active
Ihs Manufacturer MICROCHIP TECHNOLOGY INC MICROCHIP TECHNOLOGY INC
Package Description HERMETIC SEALED, GLASS, DO-7, 2 PIN HERMETIC SEALED, GLASS, DO-7, 2 PIN
Reach Compliance Code compliant compliant
Factory Lead Time 14 Weeks 14 Weeks
Samacsys Manufacturer Microchip
Additional Feature METALLURGICALLY BONDED METALLURGICALLY BONDED
Case Connection ISOLATED ISOLATED
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
JEDEC-95 Code DO-204AA DO-204AA
JESD-30 Code O-LALF-W2 O-LALF-W2
JESD-609 Code e0 e0
Number of Elements 1 1
Number of Terminals 2 2
Package Body Material GLASS GLASS
Package Shape ROUND ROUND
Package Style LONG FORM LONG FORM
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 0.417 W 0.417 W
Qualification Status Not Qualified Not Qualified
Reference Voltage-Nom 6.8 V 6.8 V
Surface Mount NO NO
Technology ZENER ZENER
Terminal Finish TIN LEAD TIN LEAD
Terminal Form WIRE WIRE
Terminal Position AXIAL AXIAL
Voltage Tol-Max 5% 10%
Working Test Current 18.5 mA 18.5 mA
Base Number Matches 5 2
Dynamic Impedance-Max 4.5 Ω
Operating Temperature-Max 175 °C

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