This post explains for the transistor.
The Full Part Number is C3207, 2SC3207.
The function of this semiconductor is Silicon NPN Transistor.
The package is TO-92L Type
The manufacturers of this product is FGX.
See the preview image and the PDF file for more information.
Preview images :
Description
C3207 is 300V, 100mA, NPN silicon transistor.
MAXIMUM RATINGS(Ta=25℃)
1. Collector-base voltage : VCBO = 300 V
2. Collector-emitter voltage : VCEO = 300 V
3. Emitter-base voltage : VEBO = 7 V
4. Collector current : IC = 100 mA
5. Collector Power Dissipation : PC = 1 W
6. Junction Temperature : TJ = 150 ℃
Applications:
1. High Voltage Switching.