2SB1125 Bipolar Transistor

Characteristics of 2SB1125 Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -50 V
  • Collector-Base Voltage, max: -80 V
  • Emitter-Base Voltage, max: -10 V
  • Collector Current − Continuous, max: -0.7 A
  • Collector Dissipation: 0.5 W
  • DC Current Gain (hfe): 4000
  • Transition Frequency, min: 200 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: SOT-89

Pinout of 2SB1125

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


The 2SB1125 transistor is marked as "BH".

Complementary NPN transistor

The complementary NPN transistor to the 2SB1125 is the 2SD1625.

Replacement and Equivalent for 2SB1125 transistor

You can replace the 2SB1125 with the 2SB1126.
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