2SA539O Bipolar Transistor

Characteristics of 2SA539O Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -45 V
  • Collector-Base Voltage, max: -60 V
  • Emitter-Base Voltage, max: -5 V
  • Collector Current − Continuous, max: -0.2 A
  • Collector Dissipation: 0.4 W
  • DC Current Gain (hfe): 70 to 140
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-92

Pinout of 2SA539O

The 2SA539O is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, base, and collector leads.
Here is an image showing the pin diagram of this transistor.

Classification of hFE

The 2SA539O transistor can have a current gain of 70 to 140. The gain of the 2SA539 will be in the range from 40 to 240, for the 2SA539R it will be in the range from 40 to 80, for the 2SA539Y it will be in the range from 120 to 240.

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SA539O might only be marked "A539O".

Complementary NPN transistor

The complementary NPN transistor to the 2SA539O is the 2SC815O.

SMD Version of 2SA539O transistor

The 2SA1483 (SOT-89), 2SA1483-O (SOT-89), FJX733 (SOT-323) and FJX733O (SOT-323) is the SMD version of the 2SA539O transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.

2SA539O Transistor in TO-92 Package

The KSA539O, KTA539-O is the TO-92 version of the 2SA539O.

Replacement and Equivalent for 2SA539O transistor

You can replace the 2SA539O with the 2SA697, 2SA708, 2SA708O, BC527, BC527-10, BC528, BC528-10, KSA539, KSA539O, KSA708, KSA708O, KSP55, KSP56, KTA539, KTA539-O, KTA539-Y, MPS4354, MPS4356, MPSW55, MPSW55G, MPSW56, MPSW56G, NTE159, PN4354, PN4356, ZTX551 or ZTX552.
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