![]() ![]() Basically, it is a wire link used to connect traces on a printed circuit board (PCB) that is packaged in the same physical package format as a resistor. Single Black Resistor Band or Zero Ohm ResistorĪ single black band on a resistor is called a zero-ohm resistor. ![]() To prevent metal and other particles from getting in the coating of high-voltage resistors, the gold and silver bands are often replaced with yellow and gray bands. The first two bands represent the significant digits, the 3rd band is a multiplication factor, the 4th band is for tolerance, and the 5th band is for the temperature coefficient (ppm/K). 5 Band Resistor With the 4th Band of Gold or SilverĪll 5 band resistors with the 4th band of silver or gold form an exception and are utilized on specific or older resistors. ![]() Below we'll go over some of the exceptions to the resistor color code. ![]()
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