This post explains for the NPN transistor.
The Part Number is 2SC5200, C5200.
The function of this semiconductor is 230V, 15A, NPN Transistor.
Manufacturer: Toshiba Semiconductor
Images
Description
2SC5200 is Silicon NPN Triple Diffused Type Transistor.
Features
1. High breakdown voltage: VCEO = 230 V (min)
2. Complementary to 2SA1943
3. Suitable for use in 100-W high fidelity audio amplifier’s output stage
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 230 V
2. Collector to Emitter Voltage: Vceo = 230 V
3. Emitter to Base Voltage: Vebo = 5 V
4. Collector Current: Ic = 15 A
5. Collector Dissipation : Pc = 150 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
Applications:
1. Power Amplifier