Multiplying any resistor value by it's tollerance decimal + 1 will always give you it's maximum value. 100 ohm resistor color code calculator - 28 images - 100r 100 ohm resistor colour code, ohms calculator, how to read resistor color code, 2 2k ohm resistor. To find the maximum value you just add 1 to the tollerance as a decimal. Multiplying any resistor value by it's tollerance inverse will always give you its minimum value. For example, a 0 Ohm resistor only have one black band. They are some exceptions in the resistor color code. If the tollerance is 5% (0.05) then the exact opposite (inverse) is 95% (0.95). The 6 band color code has an additional band for the temperature coefficient and this is why the 6 band color code is more rare. Now, before you have a brain fart, I'll explain that to you. Here are the above resistors, with the tollerance added and final actual value range.Ī shorthand method (if you will) is to multiply the resistors value by the tollerance's inverse decimal to get the minimum. The variance is how much the resistor can vary either way so on a 100 ohm resistor, it can vary + or - 5 so 105 or 95. To figure this out, you'll need some very basic math skillsĥ% as a decimal is 0.05 - Multiply the resistor value by the tollerance (as a decimal) to get the variance. Color banded axial lead resistors with 4 or 5 bands are supported. For a 100 ohm resistor with 5% tollerance, the resistor can have an actual value between 95 and 105 ohms. Use this website to convert resistor color codes into resistor ohm value and tolerance. The tollerance is how much the resistor can be varried, and the standard is usually 5%. And if you weren't thinking that, then you were thinking "I wasn't thinking that" the whole time you were reading the last sentence. Alright, by now you're probably thinking to yourself "Alright, I've got the color coding down, what the hell does that last stripe mean?".
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