C5198 PDF Datasheet – 140V, 10A, 2SC5198, NPN Transistor

This is one of the transistor types. A Silicon NPN Epitaxial Planar Transistor 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.

Part Number: C5198

Function: 140V, 10A, NPN Transistor

Package: TO-3PN Type

Manufacturer: Toshiba Semiconductor

See the preview image and the C5198 transistor PDF file for more information.


C5198 transistor


C5198 is Silicon NPN Triple Diffused Type Transistor.

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.

Silicon NPN Epitaxial Planar Transistors are fundamental components in electronic circuits, playing a crucial role in amplification, signal processing, and digital logic. They are widely used in a vast array of electronic devices, including radios, amplifiers, computer processors, and many other applications where signal control and amplification are essential.


1. High breakdown voltage: VCEO = 140 V (min)

2. Complementary to 2SA1941

3. Suitable for use in 70-W high fidelity audio amplifier’s output stage


C5198 pinout pdf

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 140 V

2. Collector to Emitter Voltage: Vceo = 140 V

3. Emitter to Base Voltage: Vebo = 5 V

4. Collector Current: Ic = 10 A

5. Collector Dissipation : Pc = 100 W

6. Junction Temperature: Tj = 150°C

7. Storage Temperature: Tsg = -55 ~ +150°C

Note :

Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in Weight: 4.7 g (typ.) temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings.  […]

C5198 datasheet transistor


1. Power Amplifier

C5198 PDF Datasheet