2SA1120 Bipolar Transistor

Characteristics of 2SA1120 Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -20 V
  • Collector-Base Voltage, max: -35 V
  • Emitter-Base Voltage, max: -8 V
  • Collector Current − Continuous, max: -5 A
  • Collector Dissipation: 10 W
  • DC Current Gain (hfe): 100 to 320
  • Transition Frequency, min: 170 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-126

Pinout of 2SA1120

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


Sometimes the "2S" prefix is not marked on the package - the 2SA1120 might only be marked "A1120".

Replacement and Equivalent for 2SA1120 transistor

You can replace the 2SA1120 with the 2SA1357, 2SB1127 or 2SB1140.
If you find an error please send an email to mail@el-component.com