This post explains for the transistor.
The Part Number is C3355, 2SC3355.
The function of this semiconductor is 12V, 100mA, NPN Transistor.
The package is TO-92 Type
Preview images :
This is 12V, 100mA, Silicon NPN Transistor.
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 20 V
2. Collector to Emitter Voltage: Vceo = 12 V
3. Emitter to Base Voltage: Vebo = 3 V
4. Collector Current: Ic = 100 mA
5. Total Power Dissipation : Pt = 600 mw
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -65 ~ +150°C