2SA904A-G Bipolar Transistor

Characteristics of 2SA904A-G Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -120 V
  • Collector-Base Voltage, max: -120 V
  • Emitter-Base Voltage, max: -5 V
  • Collector Current − Continuous, max: -0.05 A
  • Collector Dissipation: 0.2 W
  • DC Current Gain (hfe): 400 to 800
  • Transition Frequency, min: 150 MHz
  • Operating and Storage Junction Temperature Range: -55 to +125 °C
  • Package: TO-92

Pinout of 2SA904A-G

The 2SA904A-G is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right,
Here is an image showing the pin diagram of this transistor.

Classification of hFE

The 2SA904A-G transistor can have a current gain of 400 to 800. The gain of the 2SA904A will be in the range from 250 to 1200, for the 2SA904A-F it will be in the range from 250 to 500, for the 2SA904A-H it will be in the range from 600 to 1200.

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SA904A-G might only be marked "A904A-G".

SMD Version of 2SA904A-G transistor

The FJV992 (SOT-23) and FJV992-E (SOT-23) is the SMD version of the 2SA904A-G transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.
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