2SA1357 Bipolar Transistor

Characteristics of 2SA1357 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-126F

Pinout of 2SA1357

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

Classification of hFE

The 2SA1357 transistor can have a current gain of 100 to 320. The gain of the 2SA1357-O will be in the range from 100 to 200, for the 2SA1357-Y it will be in the range from 160 to 320.


Sometimes the "2S" prefix is not marked on the package - the 2SA1357 might only be marked "A1357".

Replacement and Equivalent for 2SA1357 transistor

You can replace the 2SA1357 with the 2SA1120, 2SB1127 or 2SB1140.
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