![]() These colored painted bands produce a system of identification generally known as Resistor Color Code.Īll leaded resistors with a power rating up to one watt are marked with color bands. In most cases, when the resistor is small such as a 1/4 W carbon or film type, these specifications will be color-coded. Values of resistance, tolerance, and wattage rating are generally printed onto the body of the resistor as numbers or letters when the resistor’s body is big enough to read the print, such as large power resistors. Resistors are available in a range of different resistance values from fractions of an Ohm (Ω) to millions of Ohms. These color bands are known as resistor color code. So, color bands are printed on them to represent the electrical resistance. Resistors are usually very tiny and it is difficult to print resistance values on them. The Color Codes used on resistors in carbon, carbon film and metal film types are widely used and a ‘must learn’ for electronics engineers. ![]()
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