1N2979B vs 1N2979R feature comparison

1N2979B Motorola Semiconductor Products

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1N2979R Motorola Semiconductor Products

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer MOTOROLA INC MOTOROLA INC
Reach Compliance Code unknown unknown
ECCN Code EAR99 EAR99
HTS Code 8541.10.00.50 8541.10.00.50
Case Connection ANODE CATHODE
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
Dynamic Impedance-Max 3 Ω
JEDEC-95 Code DO-4 DO-4
JESD-30 Code O-MUPM-D1 O-MUPM-D1
Knee Impedance-Max 250 Ω 250 Ω
Number of Elements 1 1
Number of Terminals 1 1
Operating Temperature-Max 175 °C 175 °C
Operating Temperature-Min -65 °C -65 °C
Package Body Material METAL METAL
Package Shape ROUND ROUND
Package Style POST/STUD MOUNT POST/STUD MOUNT
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 10 W 10 W
Qualification Status Not Qualified Not Qualified
Reference Voltage-Nom 15 V 15 V
Reverse Current-Max 5 µA
Surface Mount NO NO
Technology ZENER ZENER
Terminal Form SOLDER LUG SOLDER LUG
Terminal Position UPPER UPPER
Voltage Tol-Max 5% 20%
Working Test Current 170 mA 170 mA
Base Number Matches 1 3

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