C2389 PDF Datasheet – 120V, 50mA, NPN Transistor, 2SC2389

This post describes for the transistor.

The Part Number is 2SC2389, C2389.

The package is TO-92 Type.

The function of this semiconductor is 120V, 50mA, NPN Transistor.

The manufacturer of this part is Rohm.

See the preview image and the PDF file for more information.

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C2389 pdf datasheet

Pinout: 1. Emitter  2. Collector  3. Base


C2389 is 120V, 50mA, Epitaxial Planar NPN Silicon Transistor.

This is a type of bipolar junction transistor (BJT) made from silicon, a semiconductor material. This transistor is designed for amplifying or switching electronic signals in various electronic circuits.

NPN Configuration:

1. Emitter (N): The heavily doped N-type layer, which is the source of charge carriers (electrons) in the transistor.

2. Base (P): The thin P-type layer, which controls the flow of charge carriers between the emitter and collector.

3. Collector (N): The N-type layer, which collects the charge carriers that pass through the base-emitter junction.



1. High voltage : Vceo = 120V

2. Low noise : NF=0.2dB ( Typ. )

3. Complementary pair with 2SA1038 and 2SA1039.

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C2389 transistor equivalent

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 120 V

2. Collector to Emitter Voltage: Vceo = 120 V

3. Emitter to Base Voltage: Vebo = 5 V

4. Collector Current: Ic = 50 mA

5. Collector Dissipation : Pc = 300 mW

6. Junction Temperature: Tj = 125°C

7. Storage Temperature: Tsg = -55 ~ +125°C

C2389 PDF Datasheet PDF

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