2SB1225 Bipolar Transistor

Characteristics of 2SB1225 Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -60 V
  • Collector-Base Voltage, max: -70 V
  • Emitter-Base Voltage, max: -6 V
  • Collector Current − Continuous, max: -10 A
  • Collector Dissipation: 30 W
  • DC Current Gain (hfe): 2000
  • Transition Frequency, min: 20 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-220F

Pinout of 2SB1225

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


Sometimes the "2S" prefix is not marked on the package - the 2SB1225 might only be marked "B1225".

Complementary NPN transistor

The complementary NPN transistor to the 2SB1225 is the 2SD1827.

Replacement and Equivalent for 2SB1225 transistor

You can replace the 2SB1225 with the 2SB882, MJF6668 or MJF6668G.
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