The third band indicates the number of zeros. As i said some resistors have the fourth band on them. Resistor Colour Code Wheel For Resistor Colour Codes Led Current Limiting Resistor Calculator The Resistor Colour Code Elderslie Amateur Radio Society The second band gives the second digit. Resistors colour code values . Then value of resistor is 56 100 5600w ie. The colour code used to denote the tolerance rating of a resistor is given as. Brown 1 red 2 gold 5 silver 10 if resistor has no fourth tolerance band then the default tolerance would be at 20. And the last color. In the example on the left these bands are green blue red and gold. For example a 390 resistor with a tolerance of 10 will have a value within 10 of 390 between 390 39 351 and 390 39 429 39 is 10 of 390. By using the color code chart one finds that green stand...
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