1N4479 vs 1N5259B feature comparison

1N4479 Unitrode Corporation

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1N5259B Micro Commercial Components

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer UNITRODE CORP MICRO COMMERCIAL COMPONENTS CORP
Reach Compliance Code unknown unknown
Case Connection ISOLATED ISOLATED
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
Dynamic Impedance-Max 30 Ω 80 Ω
JESD-30 Code O-LALF-W2 O-LALF-W2
JESD-609 Code e0 e0
Knee Impedance-Max 900 Ω 800 Ω
Number of Elements 1 1
Number of Terminals 2 2
Operating Temperature-Max 175 °C 150 °C
Operating Temperature-Min -65 °C
Package Body Material GLASS GLASS
Package Shape ROUND ROUND
Package Style LONG FORM LONG FORM
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 1.5 W 0.5 W
Qualification Status Not Qualified Not Qualified
Reference Voltage-Nom 39 V 39 V
Reverse Current-Max 0.05 µA 0.0001 µA
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% 5%
Working Test Current 6.5 mA 3.2 mA
Base Number Matches 4 13
Pbfree Code No
Part Package Code DO-35
Package Description GLASS PACKAGE-2
Pin Count 2
ECCN Code EAR99
HTS Code 8541.10.00.50
JEDEC-95 Code DO-35
Peak Reflow Temperature (Cel) 240
Time@Peak Reflow Temperature-Max (s) 30

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Compare 1N5259B with alternatives