2SA1521 Bipolar Transistor

Characteristics of 2SA1521 Transistor

  • Type: PNP
  • Collector-Emitter Voltage, max: -50 V
  • Collector-Base Voltage, max: -50 V
  • Emitter-Base Voltage, max: -6 V
  • Collector Current − Continuous, max: -0.5 A
  • Collector Dissipation: 0.2 W
  • DC Current Gain (hfe): 50
  • Transition Frequency, min: 200 MHz
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: SOT-23

Pinout of 2SA1521

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


The 2SA1521 transistor is marked as "OL".

Complementary NPN transistor

The complementary NPN transistor to the 2SA1521 is the 2SC3915.

Replacement and Equivalent for 2SA1521 transistor

You can replace the 2SA1521 with the 2SA1313, 2SA1313-O, 2SA1313-Y, 2SA1518, 2SA1519, 2SA1520, 2SB710A, 2SB710A-Q, 2SB710A-R, 2SB710A-S, 2STR2160, BCW89, FMMT2907A, FMMT2907AR, FMMT551, FMMT591, FMMT591Q, FMMTA55, FMMTA56, KN2907AS, KST2907A, KST55, KST56, KTN2907AS, MMBT2907A, MMBT4354, MMBT4355, MMBT4356, MMBTA55, MMBTA56, PMBT2907A, PMBTA56, PMST2907A, SMBTA55 or SMBTA56.
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