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Description
4700uf 25v keep alive capacitor kit of components to make a basic stay alive unit for use with DCC operated locomotives. Can be used for sound, lighting and motor circuits.

This kit makes up a stay alive, or keep alive unit that can be used on most DCC chips. The unit will give a very small extra burst of power should there be a small break in the power supply. Do not expect miraculous running with these units fitted.

The BLUE wire is connected to the Function Common - DC Positive
The BLACK wire is connected to the DC Negative of the decoder. The DC Negative is easily found at the Anode ends of the two Input Diodes (Bridge Rectifier), that have their Cathodes (Band) Ends connected to the Track Input.

This wiring is available on many new decoders and may require soldering to the chip on older models.

You will be required to solder the components according following the illustration supplied and to apply gentle heat to shrink the wrapping.

Replacement parts are all available elsewhere on this website.
Contents of Package
1 x 4700uf 25v capacitor 16mm dia x 32mm long
1 x 1A 50V Rectifier Diodes - 1N4001
1 x 100 ohm resistor
2 x Small lengths of 3:1 black heat shrink to insulate wires
1 x Large piece of heat shrink to insulate completed item
1 x Black 7/0.2 wire 250mm long
1 x Blue 7/0.2 wire 250mm long.
1 x wiring diagram.
Qty:  
19 Unit(s) in stock for delivery.
IMAGE DISCLAIMER: Please note that the product images shown are for illustration purposes only and may not be an exact representation of the product. Railwayscenics reserves the right to change product images and specifications at any time without notice. Any measurements given are approximate.
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4700uf 25v Capacitor Decoder Stay Alive Kit
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RS Electrics
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