can I use a 10k pot instead of a 5k pot in my power supply?

its a o to 24vdc power supply . it calls for a 5k pot. want to know if i can use a 10k pot . and what will be the diffrents

The answer is that it will affect the circuit, I'm going to take a wild guess in the dark and assume that your building one of these DIY circuit designs that are available on the internet which require 5kΩ pots in conjunction with LM317 or LM350 and some other regulator types to build this, It would help though if you show a circuit diagram so people can see what your trying to make in order to give you an answer or advice.

Anyway, a solution: Simply solder a 10k resistor (any wattage size should do) between the two outer terminals, that will turn it from a 10kΩ into a 5kΩ pot (by adding a resistor of the same resistance value in parallel it halves the resistance). If you use a multimeter, it will now read 5kΩ rather than 10kΩ, if you connect one of the probes to the centre tap it will now read from 0 to 5kΩ where as before adding the resistor it was 0 to 10kΩ.

Make sure the potentiometer you have chosen is a 'linear' type and NOT a logarithmic version, you can identify which one you have by a letter marked on it, for a linear taper version it will be marked 'B' after the resistance value, eg: '10k B' I hope that info is of use to you m8. :-)
David974 years ago
You need to inclued a circut diagram!
quatch4 years ago
Assuming it is rated for the appropriate wattage, you could use it over half its range... Can't say what it'll do when you go above 5k though.

You should figure that out before you try though
Depends on the circuit !!