How to Read Resistor Types and Values
Most electronic components are so small that printing the actual values, ratings and
tolerances on the individual component is often impossible. Therefore, codes were invented
to represent these characteristics and it is these codes that are printed on the components.
Below I've listed some of the more common codes that you are likely to come across.
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Metalized Film
1% and 2% types
20%, 10%, and 5% types
Carbon Film
Metal Oxide
Carbon Composition
