2SD1445A-Q Bipolar Transistor

Characteristics of 2SD1445A-Q Transistor

  • Type: NPN
  • Collector-Emitter Voltage, max: 40 V
  • Collector-Base Voltage, max: 50 V
  • Emitter-Base Voltage, max: 5 V
  • Collector Current − Continuous, max: 10 A
  • Collector Dissipation: 40 W
  • DC Current Gain (hfe): 90 to 180
  • Transition Frequency, min: 120 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-220F

Pinout of 2SD1445A-Q

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

Classification of hFE

The 2SD1445A-Q transistor can have a current gain of 90 to 180. The gain of the 2SD1445A will be in the range from 90 to 260, for the 2SD1445A-P it will be in the range from 130 to 260.

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SD1445A-Q might only be marked "D1445A-Q".

Complementary PNP transistor

The complementary PNP transistor to the 2SD1445A-Q is the 2SB948A-Q.

Replacement and Equivalent for 2SD1445A-Q transistor

You can replace the 2SD1445A-Q with the 2SC3255, 2SC3345, 2SC3346, 2SC3709, 2SC3709A, 2SC3710, 2SC3710A, 2SC3748, 2SD1062, 2SD1669, BD545, BD545A, BD545B, BD807, BD809, BDT81, BDT81F, BDT83, BDT83F, BDT91, BDT91F, BDT93, BDT93F, D44H11, D44H11FP or D44H8.
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