2SA1144-Y Bipolar Transistor

Characteristics of 2SA1144-Y Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -150 V
  • Collector-Base Voltage, max: -150 V
  • Emitter-Base Voltage, max: -5 V
  • Collector Current − Continuous, max: -0.05 A
  • Collector Dissipation: 10 W
  • DC Current Gain (hfe): 120 to 240
  • Transition Frequency, min: 200 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-126

Pinout of 2SA1144-Y

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

Classification of hFE

The 2SA1144-Y transistor can have a current gain of 120 to 240. The gain of the 2SA1144 will be in the range from 80 to 240, for the 2SA1144-O it will be in the range from 80 to 160.

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SA1144-Y might only be marked "A1144-Y".

Complementary NPN transistor

The complementary NPN transistor to the 2SA1144-Y is the 2SC2704-Y.

SMD Version of 2SA1144-Y transistor

The 2SA1200 (SOT-89), 2SA1200-Y (SOT-89), KTA1660 (SOT-89) and KTA1660Y (SOT-89) is the SMD version of the 2SA1144-Y transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.

Replacement and Equivalent for 2SA1144-Y transistor

You can replace the 2SA1144-Y with the 2SA1021, 2SA1142, 2SA1209, 2SA1210, 2SA1220A, 2SA1248, 2SA1249, 2SA1322, 2SA1352, 2SA1353, 2SA1360, 2SA1360-Y, 2SA1380, 2SA1381, 2SA1406, 2SA1407, 2SA1477, 2SA1478, 2SA1479, 2SA1480, 2SA1507, 2SA1540, 2SA1541, 2SA795, 2SA795A, 2SA914, 2SB1109, 2SB1110, HSB1109, KSA1142, KSA1220A, KSA1381, KSE350, KTA1700, KTA1700-Y, MJE350 or MJE350G.
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