Trimmer pots and resistance values

Hi, Max. I kind of wish you'd have given some more information on the circuit, and how your trimmer is being used.

Anyway, there are a number of things you can do. First, 2K is actually very common for trimmers -- check the Digi-Key catalog. Since many pots are rated at +/-20%, the high end of the tolerance might be close enough. You might want to try it.

Another thing you can do if it's being used as a voltage divider is to put a 5.6K 5% resistor across the legs of the pot. The total leg-to-leg resistance will then be almost 1.5K, and the wiper will scroll across the right voltage range.

.-----o | | | | .-. .-. 5.6K | | | |

I need to get hold of a 1.5K trimmer pot for an old arcade game monitor but cannot find one of this value anywhere. Seeing as it's essential that I use 1.5K but the closest that I can find is 1K or

2.5K, is there any way that I could modify, for example, a 1K pot with a 0.5K resistor to give the correct value, or won't that work seeing as it would be external to the pot and wiper?

well... mouser doesn't carry that pot... 1k's and 2k's... but digikey has several 1.5k pot's... you will have to pick the wattage...

keyword: "potentiometer 1.5k"

Thanks. I should have said that all three pins of the pot are used so I assume that makes the pot value even more critical?

Thanks, I'll have a look. :)

Excellent, many thanks. :)