D313 transistor Controller model schematic railway controllers suitable replacement circuits put shunting speed inertia review units feedback Ic supply power dc ac back
Transistor d313 circuit diagram application datasheet D1047 transistor amplifier diagram Amplifier d1047 transistor diode purpose
.
.
Suitable replacement for D13T1 PUT? | All About Circuits
DK1203
Transistor D313 Circuit Diagram Application Datasheet