This post explains for the transistor.
The Part Number is C5706, 2SC5706.
The function of this semiconductor is 50V, 5A, NPN transistor.
Manufacturer: Sanyo Semiconductor
Preview images :
Description
C5706 is 50V, 5A, NPN Epitaxial Planar Silicon Transistor.
Features:
• Adoption of FBET, MBIT process.
• Large current capacitance.
• Low collector-to-emitter saturation voltage.
• High-speed switching.
• High allowable power dissipation.
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 80 V
2. Collector to Emitter Voltage: Vceo = 50 V
3. Emitter to Base Voltage: Vebo = 6 V
4. Collector Current: Ic = 5 A
5. Collector Dissipation : Pc = 0.8 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
Characteristics: