This post explains for the transistor.
The Part Number is BUL6802.
The function of this semiconductor is 400V, NPN Transistor.
The package is TO-126 Type.
Manufacturer: Shenzhen SI Semiconductors
Preview images :
Description
BUL6802 is Silicon NPN transistor in a TO-126(R) Plastic Package.
Features
1. High Voltage Capability High Speed Switching
2. Wide SOA,ROHS compliant.
Applications:
1. High frequency electronic lighting ballast applications
2. Electronic transformer
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 600 V
2. Collector to Emitter Voltage: Vceo = 400 V
3. Emitter to Base Voltage: Vebo = 9 V
4. Collector Current: Ic = 1.2 A
5. Collector Dissipation : Pc = 1.25 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
BUL6802 PDF Datasheet
