C5198 is Silicon NPN Triple Diffused Type Transistor.
Part Number: 2SC5198
Function: NPN Transisor, 140V, 10A
Package: TO-3PN Type
Manufacturer: Toshiba
Image:
Description
C5198 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. It is often paired with its complementary PNP transistor 2SA1941. It’s widely used in high-quality audio amplifiers because of its robust power handling, low distortion, and good linearity.
Features
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
Electrical Characteristics (Ta = 25°C)

Absolute Maximum Ratings (Ta= 25°C)
1. Collector-base voltage : VCBO = 140 V
2. Collector-emitter voltage : VCEO = 140 V
3. Emitter-base voltage : VEBO = 5 V
4. Collector current : IC = 10 A
5. Base current : IB = 1 A
6. Collector power dissipation (Tc= 25°C) : PC = 100 W
7. Junction temperature : Tj = 150 °C
Applications
1. Audio power amplifier output stages
2. Power supply regulation and switching
Equivalent & Alternative Parts
1. 2SA1941 (PNP) – Complementary partner for push-pull audio stages
2. 2SC5200 (NPN) – Similar high-power audio transistor (VCEO 230 V, 15 A)
3. MJ21194 (NPN) – Audio power transistor with higher current (VCEO 250 V, 16 A)
Other data sheets are available within the file: 2SC5198
C5198 Datasheet Download
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