KSA1281-Y Bipolar Transistor

Characteristics of KSA1281-Y Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -50 V
  • Collector-Base Voltage, max: -50 V
  • Emitter-Base Voltage, max: -5 V
  • Collector Current − Continuous, max: -2 A
  • Collector Dissipation: 1 W
  • DC Current Gain (hfe): 120 to 240
  • Transition Frequency, min: 100 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-92MOD

Pinout of KSA1281-Y

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

Marking

The KSA1281-Y transistor is marked as "A1281-Y".

SMD Version of KSA1281-Y transistor

The 2DA1213 (SOT-89), 2DA1213Y (SOT-89), 2SA1213 (SOT-89), 2SA1213-Y (SOT-89), 2SA1364 (SOT-89), 2SB1122 (SOT-89), 2SB1123 (SOT-89), 2SB766A (SOT-89), 2SB766A-R (SOT-89), BCP52 (SOT-223), BCP52-16 (SOT-223), BCX52 (SOT-89) and BCX52-16 (SOT-89) is the SMD version of the KSA1281-Y transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.

Replacement and Equivalent for KSA1281-Y transistor

You can replace the KSA1281-Y with the 2SA1020, 2SA1020Y, 2SA1315, 2SA1315-Y, 2SA1680, 2SB1229, 2SB892, 2SB985, KTA1281 or KTA1281Y.
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