This is a kind of NPN Transistor.
Part Number : D1047, 2SD1047
Function : NPN Triple Diffused Planar Silicon Transistors
Package : TO-3PB Type
Manufactures : Sanyo Semicon Device
See the preview image and the PDF file for more information.
140V/12A AF 60W Output Applications
Absolute Maximum Ratings ( Ta = 25’C )
1. Collector-to-Base Voltage : Vcbo = 160V
2. Collector-to-Emitter Voltage : Vceo = 140V
3. Emitter-to-Base Voltage : Vebo = 16V
4. Collector Current : Ic = 12A
5. Collector Current ( Pulse ) : Icp = 15A
1. Capable of being mounted easily because of one point fixing type plastic molded package (Inter
changeable with TO-3).
2. Wide ASO because of on-chip ballast resistance.
3. Good depenedence of fTon current and excellent high frequency responce.