MJF122 Bipolar Transistor

Characteristics of MJF122 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: 5 A
  • Collector Dissipation: 30 W
  • DC Current Gain (hfe): 2000
  • Operating and Storage Junction Temperature Range: -65 to +150 °C
  • Package: TO-220F
  • Electrically Similar to the Popular TIP122 transistor

Pinout of MJF122

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

Equivalent circuit

MJF122 equivalent circuit

Complementary PNP transistor

The complementary PNP transistor to the MJF122 is the MJF127.

Replacement and Equivalent for MJF122 transistor

You can replace the MJF122 with the 2SD1415, 2SD1415A, 2SD1892, 2SD1892-P, 2SD1892-Q, 2SD2495, 2SD2495-O, 2SD2495-P, 2SD2495-Y, 2SD560, 2SD560-KB, 2SD560-LB, 2SD560-MB, 2SD633, KSB601, KSB601-O, KSB601-R, KSB601-Y, KSD560, KSD560-O, KSD560-R, KSD560-Y, MJF122G, MJF6388, MJF6388G or TTD1415B.

Lead-free Version

The MJF122G transistor is the lead-free version of the MJF122.
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