# About resistance **URL:** \ **Category:** DIY STUFF\ **Created:** [July 6, 2020, 5:36pm UTC](https://lookmumnocomputer.discourse.group/t/about-resistance/1391 "2020-07-06T17:36:42Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![fredrik](https://yyz2.discourse-cdn.com/free1/user_avatar/lookmumnocomputer.discourse.group/fredrik/32/682_2.png) [@fredrik](https://lookmumnocomputer.discourse.group/u/fredrik)\ **Post date:** [July 6, 2020, 6:02pm UTC](https://lookmumnocomputer.discourse.group/t/about-resistance/1391/2 "2020-07-06T18:02:04Z")
Summary here: > [@Can I substitute this resistor with one that has a different series code?](https://lookmumnocomputer.discourse.group/t/can-i-substitute-this-resistor-with-one-that-has-a-different-series-code/659/2): > > What’s the circuit? Resistors are resistors, and their main property is the nominal resistance. All other things depend on where the resistor is used: Tolerance (how important is the exact resistance value in the given circuit?). Footprint (if you have an existing PCB). Power rating (if exposed to enough voltage, and the resistance is low enough, it needs to be able to handle the current going through it) Temperature coefficient (if used in temperature-sensitive precision circuits, where the … Many if not most DIY designs are fine with 5% carbon film, but if you stick to the common standard 1% 1/4 W metal film you’re set for almost everything. (where lower tolerance is needed, you can often hand-match 1% resistors) --- _[View the full topic](https://lookmumnocomputer.discourse.group/t/about-resistance/1391)._