2SC3997 Bipolar Transistor

Characteristics of 2SC3997 Transistor

  • Type: NPN
  • Collector-Emitter Voltage, max: 800 V
  • Collector-Base Voltage, max: 1500 V
  • Emitter-Base Voltage, max: 6 V
  • Collector Current − Continuous, max: 20 A
  • Collector Dissipation: 250 W
  • DC Current Gain (hfe): 8 to 30
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-3P

Pinout of 2SC3997

Here is an image showing the pin diagram of this transistor.


Sometimes the "2S" prefix is not marked on the package - the 2SC3997 might only be marked "C3997".

Replacement and Equivalent for 2SC3997 transistor

You can replace the 2SC3997 with the 2SC3998.
If you find an error please send an email to mail@el-component.com