![]() So Black is no “0” Brown is 1 “0”, Red is 2 “0”, Orange =3 or 3 zeros etc.Īs you can see simply use the mnemonic to get the 2 value digits and the number Zeros to add: Red Red Brown bands = 220 Red Red Red= 2200 Red Red Orange= 22000 etc. So using the mnemonic or the chart that for Black you have 0 as exponent so a multiplier value 1 so 1X the first 2 bands and the number of Zeros is none. ![]() ![]() Now lets simplify it I case you got lost the 3rd band represents the Exponent in scientific notation. ![]() So a 10ohm resistor 5% would be colored: Brown (1) Black (0) Multiplier Black 1X100 (or 1X1)Īnd a 2 thousand Ohm would be colored: Red (2) Black (0) Multiplier Red 1X102 (or 1X100) The 3rd band is the multiplier in powers of Ten or 1X10X. Numeric value is assigned to each color as follows: There are several out there but we use:īad Booze Rots Our Young Guts But Vodka Goes Wellīlack, Brown, Red, Orange, Yellow, Green, Blue, Violet, Gray and White. One of the first things you learn is the mnemonic for the colors. The tolerance Band means that the actual value is within +- 5% for Gold or 10% for Silver. The first 2 bands represent numeric value while the third band is the multiplier in scientific notation (Powers of 10). Let’s start with the basic resistor these have 3 value bands and a 4th tolerance band.
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