1N4955 vs 1N4955US feature comparison

1N4955 Unitrode Corporation

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1N4955US Sensitron Semiconductors

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Rohs Code No No
Part Life Cycle Code Obsolete Active
Ihs Manufacturer UNITRODE CORP SENSITRON SEMICONDUCTOR
Reach Compliance Code unknown compliant
Case Connection ISOLATED ISOLATED
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
Dynamic Impedance-Max 0.75 Ω 1.5 Ω
JESD-30 Code O-LALF-W2 O-LELF-R2
JESD-609 Code e0 e0
Number of Elements 1 1
Number of Terminals 2 2
Operating Temperature-Max 175 °C 175 °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 5 W 5 W
Qualification Status Not Qualified Not Qualified
Reference Voltage-Nom 7.5 V 7.5 V
Reverse Current-Max 200 µA
Surface Mount NO YES
Technology ZENER ZENER
Terminal Finish TIN LEAD TIN LEAD
Terminal Form WIRE WRAP AROUND
Terminal Position AXIAL END
Voltage Temp Coeff-Max 4.5 mV/°C
Voltage Tol-Max 5%
Working Test Current 175 mA 175 mA
Base Number Matches 4 1
Pbfree Code No
Part Package Code MELF
Package Description HREMETIC SEALED, GLASS, MELF-2
Pin Count 2
ECCN Code EAR99
HTS Code 8541.10.00.50
Additional Feature METALLURGICALLY BONDED

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