1N957E3TR vs 1N957B feature comparison

1N957E3TR Microsemi Corporation

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1N957B Fairchild Semiconductor Corporation

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Rohs Code Yes Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer MICROSEMI CORP FAIRCHILD SEMICONDUCTOR CORP
Part Package Code DO-7 DO-35
Package Description O-LALF-W2 GLASS PACKAGE-2
Pin Count 2 2
Reach Compliance Code unknown compliant
ECCN Code EAR99 EAR99
HTS Code 8541.10.00.50 8541.10.00.50
Case Connection ISOLATED ISOLATED
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
Dynamic Impedance-Max 4.5 Ω 4.5 Ω
JEDEC-95 Code DO-204AA DO-35
JESD-30 Code O-LALF-W2 O-LALF-W2
JESD-609 Code e3 e3
Number of Elements 1 1
Number of Terminals 2 2
Operating Temperature-Max 175 °C 175 °C
Package Body Material GLASS GLASS
Package Shape ROUND ROUND
Package Style LONG FORM LONG FORM
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 0.417 W 0.4 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 MATTE TIN MATTE TIN
Terminal Form WIRE WIRE
Terminal Position AXIAL AXIAL
Voltage Tol-Max 20% 5%
Working Test Current 18.5 mA 18.5 mA
Base Number Matches 6 7

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