2SC1890A-F Bipolar Transistor

Characteristics of 2SC1890A-F Transistor

  • Type: NPN
  • Collector-Emitter Voltage, max: 120 V
  • Collector-Base Voltage, max: 120 V
  • Emitter-Base Voltage, max: 5 V
  • Collector Current − Continuous, max: 0.05 A
  • Collector Dissipation: 0.3 W
  • DC Current Gain (hfe): 600 to 1200
  • Transition Frequency, min: 200 MHz
  • Noise Figure, max: 2 dB
  • Operating and Storage Junction Temperature Range: -55 to +150 °C
  • Package: TO-92

Pinout of 2SC1890A-F

The 2SC1890A-F 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, collector, and base leads.
Here is an image showing the pin diagram of this transistor.

Classification of hFE

The 2SC1890A-F transistor can have a current gain of 600 to 1200. The gain of the 2SC1890A will be in the range from 250 to 1200, for the 2SC1890A-D it will be in the range from 250 to 500, for the 2SC1890A-E it will be in the range from 400 to 800.

Marking

Sometimes the "2S" prefix is not marked on the package - the 2SC1890A-F might only be marked "C1890A-F".

SMD Version of 2SC1890A-F transistor

The FJV1845 (SOT-23) and FJV1845-U (SOT-23) is the SMD version of the 2SC1890A-F transistor. These transistors are of the same type, have similar parameters and are designed for surface mounting.

Replacement and Equivalent for 2SC1890A-F transistor

You can replace the 2SC1890A-F with the 2SC1775A, 2SC1775A-F, 2SC1841, 2SC1841U, 2SC1845, 2SC1845U, 2SC2544, 2SC2784, 2SC2784-U, KSC1845 or KSC1845U.
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