Model Train Throttle Control ... Model Train Throttle Control ... Parts List: Component: Value: Datasheet: Qty: Resistor 4.3K Not Available 03 Resistor 15K Not Available 02 Resistor 1.2K Not Available 02 Resistor 220 Not Available 01 Resistor 100K Pot Not Available 01 Resistor 22K Pot Not Available 01 Capacitor 47uF Not Available 01 Capacitor 0.056uF Not Available 01 Capacitor 10uF Not Available 01 Diode 1N914 Available 06 Diode 1N4004 Available 01 Transistor 2N3904 Available 02 Transistor 2N3053 Not Available 01 Transistor TIP31 Not Available 01 IC LM393 Available 01