Similarly, you can calculate the value of a resistor for any resistor with 5 or 6 bands. Read further to know about resistor values). (This example is for illustration purpose and you may not find a resistor with this value. This means we have a resistor of 26 x 107 Ohms (260MΩ) with a tolerance ± 5%. Gold representing tolerance has a value of ± 5%. Violet represent multiplier 7, which is equal to x107. Here, first two bands represent the value. Now starting from the other end, note down the numbers specific to the color codes as per the table given above.Īssume that we have a resistor with 4 bands as per the picture. Then find the tolerance band which will be either Silver or Gold. First count the number of bands on the resistor. Now let us see how we calculate resistor value using this table. If you rarely come across a resistor with 6 bands, then it is similar to resistor with 5 bands and the 6th band representing the thermal co-efficient. If the resistor has a 5th band, then it provides more precise value as the first three bands represent the base value, 4th the multiplier and the last one signifying the tolerance. The third and forth band represents the multiplier and tolerance respectively. The first two bands represent the value of the resistor with each band giving the base number. Resistor Values are always coded in Ohms (Ω) and they usually have 4 or 5 color bands printed on it.
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