This post explains for the transistor.
The Part Number is C2482, 2SC2482.
The function of this semiconductor is 300V, 100mA, NPN Transistor.
The package is TO-92MOD Type
Manufacturer: Toshiba Semiconductor
Preview images :
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Description
The C2482 is 300V, 100mA, Silicon NPN Epitaxial Type Transistor.
Features
1. High breakdown voltage: VCEO = 300 V
2. Small collector output capacitance: Cob = 3.0 pF (typ.)
3. Recommended for chroma output and driver applications for line-operated TV horizontal. […]
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Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 300 V
2. Collector to Emitter Voltage: Vceo = 300 V
3. Emitter to Base Voltage: Vebo = 7 V
4. Collector Current: Ic = 100 mA
5. Collector Dissipation : Pc = 900 mW
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
Applications:
1. High-Voltage Switching and Amplifier
2. Color TV Horizontal Driver
3. Color TV Chroma Output