2SD1191 Bipolar Transistor

Characteristics of 2SD1191 Transistor

  • Type: NPN
  • Collector-Emitter Voltage, max: 60 V
  • Collector-Base Voltage, max: 70 V
  • Emitter-Base Voltage, max: 6 V
  • Collector Current − Continuous, max: 7 A
  • Collector Dissipation: 35 W
  • DC Current Gain (hfe): 2000
  • Transition Frequency, min: 20 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-220

Pinout of 2SD1191

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

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SD1191 might only be marked "D1191".

Complementary PNP transistor

The complementary PNP transistor to the 2SD1191 is the 2SB881.

Replacement and Equivalent for 2SD1191 transistor

You can replace the 2SD1191 with the 2SD1192, 2SD1277, 2SD1277-P, 2SD1277-Q, 2SD1277A, 2SD1277A-P, 2SD1277A-Q, 2SD1415, 2SD1415A, 2SD1826, 2SD1827, 2SD633, 2SD634, 2SD635, MJF6388, MJF6388G or TTD1415B.
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