2SD1266-P Bipolar Transistor

Characteristics of 2SD1266-P Transistor

  • Type: NPN
  • Collector-Emitter Voltage, max: 60 V
  • Collector-Base Voltage, max: 60 V
  • Emitter-Base Voltage, max: 6 V
  • Collector Current − Continuous, max: 3 A
  • Collector Dissipation: 35 W
  • DC Current Gain (hfe): 120 to 250
  • Transition Frequency, min: 30 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-220F

Pinout of 2SD1266-P

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

Classification of hFE

The 2SD1266-P transistor can have a current gain of 120 to 250. The gain of the 2SD1266 will be in the range from 70 to 320, for the 2SD1266-O it will be in the range from 160 to 320, for the 2SD1266-Q it will be in the range from 70 to 150.

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SD1266-P might only be marked "D1266-P".

Complementary PNP transistor

The complementary PNP transistor to the 2SD1266-P is the 2SB941-P.

SMD Version of 2SD1266-P transistor

The BDP949 (SOT-223) is the SMD version of the 2SD1266-P transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.

Replacement and Equivalent for 2SD1266-P transistor

You can replace the 2SD1266-P with the 2SC1826, 2SC1985, 2SC1986, 2SC2075, 2SC3179, 2SC3252, 2SC3253, 2SC3254, 2SC3255, 2SC3746, 2SC3747, 2SC3748, 2SC3851, 2SC3851A, 2SC4007, 2SC4008, 2SC4550, 2SC4551, 2SC4552, 2SD1134, 2SD1266A, 2SD1266A-P, 2SD1267, 2SD1267-P, 2SD1267A, 2SD1267A-P, 2SD1268, 2SD1269, 2SD1270, 2SD1271, 2SD1274, 2SD1274A, 2SD1274B, 2SD1354, 2SD1406, 2SD1666, 2SD1761, 2SD1913, 2SD2012, 2SD2061, 2SD2374, 2SD2374-P, 2SD2374A, 2SD2374A-P, 2SD2394, 2SD313, 2SD613, 2SD823, 2SD856, 2SD856-P, 2SD856A, 2SD856A-P, 2SD857, 2SD857-P, 2SD857A, 2SD857A-P, 2SD866, 2SD866A, 2SD880, BD203, BD241A, BD241B, BD241C, BD243A, BD243B, BD243C, BD303, BD535, BD537, BD539A, BD539B, BD539C, BD539D, BD543A, BD543B, BD543C, BD545A, BD545B, BD545C, BD797, BD799, BD801, BD807, BD809, BD935, BD935F, BD937, BD937F, BD939, BD939F, BD941, BD941F, BD949, BD951, BD953, BD955, BDT81, BDT81F, BDT83, BDT83F, BDT85, BDT85F, BDT87, BDT87F, BDX77, D44H11, D44H11FP, D44H8, KSD1406, KSD2012, KSD2058, KSD880, KTC2016, KTC2026, KTD1351, MJE15028, MJE15028G, TIP41D or TIP42D.
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