This is one of the transistor types.
Part Number : D1651, 2SD1651
Function : NPN Triple Diffused Planar Silicon Transistor
Package : TO-3PML Type.
Manufactures : Wing Shing Computer Components ( http://www.wingshing.com )
Image
Description
COLOR TV HORIZONTAL OUTPUT APPLICATIONS (Damper Diode BUILT IN)
1. High Collector-Base Voltage(VCBO=1500V)
2. High Speed Switching
Absolute maximum ratings ( Ta=25°C )
1. Collector-Base Voltage : Vcbo = 1500V
2. Collector-Emitter Voltage : Vceo = 1500V
3. Emitter-Base voltage : Vebo = 6V
4. Collector Current (DC) : 5 A
5. Collector Dissipation ( Tc=25°C ) : 50W
6. Junction Temperature : Tj = 150°C
7. Storage Temperatue : Tsg = -55 ~ +150°C
Pinout