C2120 Datasheet PDF – 30V, 800mA, NPN Transistor – Toshiba

Part Number: C2120, 2SC2120

Function: 30V, 800mA, NPN Transistor

Package: TO-92 Type

Manufacturer: Toshiba Semiconductor

C2120 transistor


The C2120 is 30V, 800mA, Silicon NPN Epitaxial Type Transistor.

The NPN transistor is used to amplify or switch electronic signals and is widely used in many electronic circuits. It works by controlling the current flow between the collector and emitter terminals through the base terminal.

When a small current is applied to the base, it controls a much larger current between the collector and emitter, making the NPN transistor an effective amplifier or switch.



1. High hFE: hFE (1)= 100~320

2. 1 watts amplifier applications.

3. Complementary to 2SA950



C2120 datasheet pinout

Maximum Ratings :

1. Collector-base voltage : VCBO = 35 V

2. Collector-emitter voltage : VCEO = 30 V

3. Emitter-base voltage : VEBO = 5 V

4. Collector current : IC = 800 mA

5. Base current : IB = 160 mA

6. Collector power dissipation : PC = 600 mW


1. Audio Power Amplifier

C2120 Datasheet PDF


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