This post explains for the Transistor.
The Part Number is KD617.
The function of this semiconductor is AF Power Transistor.
Manufacturer: Tesla Elektronicke
Images:
Description
This is 80V, 10A, AF Power Transistor.
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Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 80 V
2. Emitter to Base Voltage: Vebo = 5 V
3. Collector Current: Ic = 10 A
4. Collector Dissipation : Ptot = 70 W
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