1N5257B vs 1N5259B(DO-35) feature comparison

1N5257B Fairchild Semiconductor Corporation

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1N5259B(DO-35) Microsemi Corporation

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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Transferred Transferred
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP MICROSEMI CORP
Part Package Code DO-35 DO-7
Package Description GLASS PACKAGE-2 HERMETIC SEALED, GLASS, DO-7, 2 PIN
Pin Count 2 2
Manufacturer Package Code AXIAL LEADED; GLASS; JEDEC DO204 ; VARIATION AH
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
JEDEC-95 Code DO-35 DO-204AA
JESD-30 Code O-LALF-W2 O-LALF-W2
JESD-609 Code e3 e0
Number of Elements 1 1
Number of Terminals 2 2
Operating Temperature-Max 200 °C 200 °C
Package Body Material GLASS GLASS
Package Shape ROUND ROUND
Package Style LONG FORM LONG FORM
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 0.5 W 0.417 W
Qualification Status Not Qualified Not Qualified
Reference Voltage-Nom 33 V 39 V
Surface Mount NO NO
Technology ZENER ZENER
Terminal Finish MATTE TIN TIN LEAD
Terminal Form WIRE WIRE
Terminal Position AXIAL AXIAL
Voltage Tol-Max 5% 5%
Working Test Current 3.8 mA 3.2 mA
Base Number Matches 7 1
Knee Impedance-Max 800 Ω
Operating Temperature-Min -65 °C
Reverse Current-Max 0.1 µA
Voltage Temp Coeff-Max 36.66 mV/°C

Compare 1N5257B with alternatives

Compare 1N5259B(DO-35) with alternatives