BDX78 Bipolar Transistor

Characteristics of BDX78 Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -80 V
  • Collector-Base Voltage, max: -100 V
  • Emitter-Base Voltage, max: -5 V
  • Collector Current − Continuous, max: -8 A
  • Collector Dissipation: 60 W
  • DC Current Gain (hfe): 30
  • Transition Frequency, min: 7 MHz
  • Operating and Storage Junction Temperature Range: -65 to +150 °C
  • Package: TO-220

Pinout of BDX78

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

Complementary NPN transistor

The complementary NPN transistor to the BDX78 is the BDX77.

Replacement and Equivalent for BDX78 transistor

You can replace the BDX78 with the 2N6041, 2N6041G, 2N6042, 2N6042G, 2N6668, 2N6668G, 2SA1077, 2SA1329, 2SA1329-O, 2SA1329-Y, 2SA1452, 2SA1452-O, 2SA1452-Y, 2SA1452A, 2SA1452A-O, 2SA1452A-Y, 2SB1228, 2SB886, 2SB951A, 2SB951A-P, 2SB951A-Q, BD538, BD538J, BD538K, BD544B, BD544C, BD546B, BD546C, BD648, BD650, BD652, BD800, BD802, BD810, BD900, BD900A, BD902, BDT62A, BDT62B, BDT62C, BDT64A, BDT64B, BDT64C, BDT84, BDT84F, BDT86, BDT86F, BDT88, BDT88F, BDW46, BDW46G, BDW47, BDW47G, BDW48, BDW74B, BDW74C, BDW74D, BDW94B, BDW94C, BDW94CF, BDX34B, BDX34BG, BDX34C, BDX34CG, BDX34D, BDX54B, BDX54BG, BDX54C, BDX54CG, BDX54D, BDX54E, BDX54F, D45H11, D45H11FP, MJE15029, MJE15029G, MJE15031, MJE15031G, MJF15031, MJF15031G, MJF6668, MJF6668G, TIP106, TIP106G, TIP107, TIP107G, TIP136, TIP136G, TIP137, TIP137G, TIP146T, TIP147T, TTA1452B or TTB1452B.
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