2SD1276A Bipolar Transistor

Characteristics of 2SD1276A Transistor

  • Type: NPN
  • Collector-Emitter Voltage, max: 80 V
  • Collector-Base Voltage, max: 80 V
  • Emitter-Base Voltage, max: 5 V
  • Collector Current − Continuous, max: 4 A
  • Collector Dissipation: 40 W
  • DC Current Gain (hfe): 2000 to 10000
  • Transition Frequency, min: 20 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-220F

Pinout of 2SD1276A

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

Classification of hFE

The 2SD1276A transistor can have a current gain of 2000 to 10000. The gain of the 2SD1276 will be in the range from 2000 to 10000, for the 2SD1276-P it will be in the range from 4000 to 10000, for the 2SD1276-Q it will be in the range from 2000 to 5000, for the 2SD1276A-P it will be in the range from 4000 to 10000, for the 2SD1276A-Q it will be in the range from 2000 to 5000.


Sometimes the "2S" prefix is not marked on the package - the 2SD1276A might only be marked "D1276A".

Complementary PNP transistor

The complementary PNP transistor to the 2SD1276A is the 2SB950A.

Replacement and Equivalent for 2SD1276A transistor

You can replace the 2SD1276A with the 2N6044, 2N6044G, 2N6045, 2N6045G, 2N6388, 2N6388G, 2N6530, 2N6531, 2N6532, 2N6533, 2SC1986, 2SC2075, 2SC2316, 2SD1195, 2SD1196, 2SD1274, 2SD1274A, 2SD1274B, 2SD1277A, 2SD1414, 2SD1415, 2SD1415A, 2SD1829, 2SD1830, 2SD2241, 2SD560, 2SD633, 2SD634, 2SD772, 2SD792, 2SD823, 2SD837A, BD243B, BD243C, BD537, BD539B, BD539C, BD539D, BD543B, BD543C, BD545B, BD545C, BD647, BD649, BD651, BD799, BD801, BD809, BD899, BD899A, BD901, BD951, BD953, BD955, BDT61A, BDT61B, BDT61C, BDT63A, BDT63B, BDT63C, BDT65A, BDT65B, BDT65C, BDT83, BDT83F, BDT85, BDT85F, BDT87, BDT87F, BDW23B, BDW23C, BDW41, BDW41G, BDW42, BDW42G, BDW43, BDW53B, BDW53C, BDW53D, BDW63B, BDW63C, BDW63D, BDW73B, BDW73C, BDW73D, BDX33B, BDX33BG, BDX33C, BDX33CG, BDX33D, BDX53B, BDX53BG, BDX53C, BDX53CG, BDX53D, BDX53E, BDX53F, BDX77, D44H11, D44H11FP, KSB601, KSD560, MJE15028, MJE15028G, MJE15030, MJE15030G, MJE802T, MJE803T, MJF122, MJF122G, MJF15030, MJF15030G, TIP101, TIP101G, TIP102, TIP102G, TIP121, TIP121G, TIP122, TIP122G, TIP131, TIP131G, TIP132, TIP132G, TIP141T, TIP142T, TIP41D, TIP41E, TIP41F, TIP42D, TIP42E, TIP42F or TTD1415B.
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