TIP127 is a PNP Epitaxial Darlington Transistor Pait in single package useful for medium power linear switching applications in TO-220 3L (single Gauge) package. It is complementary of it's NPN counterpart, TIP122.

Absolute Maximum Ratings:
  • Collector-Base Voltage, VCBO -100 V
  • Collector-Emitter Voltage, VCEO -100 V
  • Emitter-Base Voltage, VCEO -5 V
  • Collector Current (DC), IC -5 A
  • Collector Current (Pulse), ICP -8 A
  • Base Current (DC), IB -120 mA
  • Junction Temperature, TJ 150°C
Electrical Characteristics:
  • Collector-Emitter Cut-Off Current (@ VCE=-50V, IB=0): ICEO max -2 mA
  • Collector-Base Cut-Off Current (@ VCB=-100V, IE=0): ICBO max -1 mA
  • Emitter Cut-Off Current (@ VEB=-5V, IC=0): IEBO max. -2 mA
  • DC Current Gain, hFE ≥ 1000 times
  • Collector-Emitter Saturation Voltage*
    @ IC=-3A, IB=-12mA: VCE(sat) max. -2V
    @ IC=-5A, IB=-20mA: VCE(sat) max. -4V;
  • Base-Emitter ON Voltage* (@ VCE=03V, IC=-3A): VBE(on) max. -2.5V
  • Output Capacitance (@ VCB=-10V, IE=0, f=100 kHz): Cob ≤ 300pF

*) pulse test: pw ≤ 300µs, duty cycle ≤ 2%