2SA1279 Bipolar Transistor

Characteristics of 2SA1279 Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -50 V
  • Collector-Base Voltage, max: -60 V
  • Emitter-Base Voltage, max: -5 V
  • Collector Current − Continuous, max: -5 A
  • Collector Dissipation: 25 W
  • DC Current Gain (hfe): 70 to 240
  • Transition Frequency, min: 60 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-220F

Pinout of 2SA1279

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

Classification of hFE

The 2SA1279 transistor can have a current gain of 70 to 240. The gain of the 2SA1279-O will be in the range from 70 to 140, for the 2SA1279-Y it will be in the range from 120 to 240.

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SA1279 might only be marked "A1279".

Complementary NPN transistor

The complementary NPN transistor to the 2SA1279 is the 2SC3239.

Replacement and Equivalent for 2SA1279 transistor

You can replace the 2SA1279 with the 2SA1012, 2SA1289, 2SA1290, 2SA1291, 2SA1293, 2SA1307, 2SA1308, 2SA1328, 2SA1329, 2SA1388, 2SA1451, 2SA1451A, 2SA1452, 2SA1452A, 2SA1469, 2SA1470, 2SA1471, 2SA770, 2SA771, 2SB1016, 2SB1016A, 2SB1018, 2SB1018A, 2SB1019, 2SB1134, 2SB1135, 2SB1136, 2SB1367, 2SB553, 2SB595, 2SB633, 2SB824, 2SB825, 2SB826, 2SB870, 2SB945, 2SB946, 2SB992, 2SB993, 2SB995, BD204, BD244A, BD244B, BD244C, BD304, BD536, BD538, BD540A, BD540B, BD540C, BD544A, BD544B, BD544C, BD546A, BD546B, BD546C, BD798, BD800, BD802, BD808, BD810, BD950, BD952, BD954, BDT82, BDT82F, BDT84, BDT84F, BDT86, BDT86F, BDX78, D45H11, D45H11FP, D45H8, KTA1038, KTA1049 or KTB1367.
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