This post explains for the transistor.
The Part Number is A1275, 2SA1275.
The package is TO-92MOD Type.
The function of this semiconductor is -160V, -1A, PNP Transistor.
1. High Voltage: Vceo = -160 V
2. Large Continous Collector Current Capability.
3. Recommeded for Vert. Deflection Output & Sound Output Applications for Line Operated TV.
4. Complementary to 2SC3228
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = – 160V
2. Collector to Emitter Voltage: Vceo = – 160V
3. Emitter to Base Voltage: Vebo = – 6V
4. Collector Current: Ic = – 1A
5. Total Dissipation : Pc = 900 mW
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
1. Color TV Vert. Deflection Output.
2. Color TV Class B Sound Ouput