2SC3438 Bipolar Transistor

Characteristics of 2SC3438 Transistor

  • Type: NPN
  • Collector-Emitter Voltage, max: 100 V
  • Collector-Base Voltage, max: 100 V
  • Emitter-Base Voltage, max: 5 V
  • Collector Current − Continuous, max: 0.5 A
  • Collector Dissipation: 0.5 W
  • DC Current Gain (hfe): 55 to 300
  • Transition Frequency, min: 130 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: SOT-89

Pinout of 2SC3438

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

Classification of hFE

The 2SC3438 transistor can have a current gain of 55 to 300. The gain of the 2SC3438-C will be in the range from 55 to 110, for the 2SC3438-D it will be in the range from 90 to 180, for the 2SC3438-E it will be in the range from 150 to 300.


Sometimes the "2S" prefix is not marked on the package - the 2SC3438 might only be marked "C3438".

Complementary PNP transistor

The complementary PNP transistor to the 2SC3438 is the 2SA1368.
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