If the 4th band is absent the tolerance will be 20%.( in case of 5 band resistor take it as 5th band) The 3rd band in the case of 4 band resistor band represents the multiplier ( and 4th band in case of 5 band resistor represents the multiplier). The 1st and 2nd band represent ( and 3rd in case of 5 band resistor ) significant digits respectively. The coloured bands are read from left to right from the lead that has band close to it. The reason for this is the value of the register for high-end usage in modern industries and manufacturing. The resistor has four colored bands or rings printed on the outer casing as shown in the figure:īut nowadays register also has five colour band on its outer casing.
The colour code of the resistor indicates the value of resistance and its percentage reliability for tolerance. The other types of resistors are carbon film resistors, metal film resistors, and wire-wound resistors. Such registers are called carbon composition resistors. Resistors are made from a mixture of carbon black or powdered graphite clay and resin binder the mixture is molded into the rods by compression or heating and then wire leads are fixed at the ends. 1k ohm resistor color code If you want to determine the value of any resistor then below are the steps to do it the easy way (color code of resistors):
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