1N5257BT50R vs 1N5257B-1 feature comparison

1N5257BT50R Fairchild Semiconductor Corporation

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1N5257B-1 Microsemi Corporation

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Rohs Code Yes No
Part Life Cycle Code Obsolete Transferred
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP MICROSEMI CORP
Reach Compliance Code compliant unknown
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 58 Ω 58 Ω
JEDEC-95 Code DO-35 DO-204AH
JESD-30 Code O-PALF-W2 O-LALF-W2
Number of Elements 1 1
Number of Terminals 2 2
Operating Temperature-Max 200 °C 175 °C
Package Body Material PLASTIC/EPOXY GLASS
Package Shape ROUND ROUND
Package Style LONG FORM LONG FORM
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 0.5 W 0.48 W
Qualification Status Not Qualified Not Qualified
Reference Voltage-Nom 33 V 33 V
Surface Mount NO NO
Technology ZENER ZENER
Terminal Form WIRE WIRE
Terminal Position AXIAL AXIAL
Voltage Tol-Max 5% 5%
Working Test Current 3.8 mA 3.8 mA
Base Number Matches 1 21
Pbfree Code No
Part Package Code DO-35
Package Description HERMETIC SEALED, GLASS, DO-35, 2 PIN
Pin Count 2
Additional Feature METALLURGICALLY BONDED
JESD-609 Code e0
Operating Temperature-Min -65 °C
Terminal Finish TIN LEAD

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