So according to the formula the resistance will be: 16 * 100 = 1600 Ohms or 1.6K Ohms with 5% tolerance. Therefore, the value of this resistor is 56 102. The third band is the multiplier, with red representing a multiplier value of 2 (102). Resistor color code code#By using the color code chart, one finds that green stands for 5 and blue for 6. Let’s take an example of a 4-band resistor with the colors given in the above image (brown, blue, red and gold). In the example shown here, the 4 bands are green, blue, red and gold. ‘ d’ represents the 4 th significant digit, which is the fourth band color of resistor and this is the tolerance value. ‘ c’ represents the 3 rd significant digit, which is the third band color of resistor and this is the multiplier value. ‘ b’ represents the 2 nd significant digit, which is the second band color of resistor. The values of color bands will be like this: Green 5, Brown. ‘ a’ represents the 1 st significant digit, which is the first band color of resistor. If the colors on a 6 band resistor is in this order: green, brown, violet, black, gold and orange. In the example shown here, the 4 bands are green, blue, red and gold. Just have a look to the resistor color code chart below and see the calculations, how the resistance value is calculated according to this chart.Ĭalculating resistance for a 4-band resistor To calculate the resistance of a resistor, you can select the appropriate color bands in the above resistor color code calculator.
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