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2.2K - 2200 OHM Resistor
Reading left to right, the first and second
color bands indicate the value in ohms. In the
example, the bands are brown and green, which equals
15. The third band is the
multiplier, orange, which indicates 1,000. Thus, the
resistor has a value of 15 times 1,000
or 15,000 ohms. The fourth band indicates tolerance,
the amount the value can vary. In
the example, the tolerance band is gold, which means
the value of the resistor shown is
within ±5% of 15,000 ohms. In diagrams and text,
1,000 ohms is often shortened to 1k
ohm or 1k, and 1 million ohms is shortened to 1
megohm or 1meg. Another abbreviation
you’ll see is the ohm symbol: .
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