1N4974 vs 1N4979

Product Attributes

Part Number 1N4974 1N4979
Manufacturer Solid State Inc. Microchip Technology
Category Diodes - Zener - Single Diodes - Zener - Single
1N4974 1N4979
Product Status Active Active
Voltage - Zener (Nom) (Vz) 47 V 75 V
Tolerance ±4.89% ±5%
Power - Max 5 W 5 W
Impedance (Max) (Zzt) 25 Ohms 55 Ohms
Current - Reverse Leakage @ Vr 2 µA @ 35.8 V 2 µA @ 56 V
Voltage - Forward (Vf) (Max) @ If - 1.5 V @ 1 A
Operating Temperature -65°C ~ 175°C -65°C ~ 175°C
Mounting Type Through Hole Through Hole
Package / Case SOD-57, Axial E, Axial
Supplier Device Package SOD-57 -