RES KIT ROX1SRS
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54017590-RES KIT ROX1SRS
TE Connectivity, RGP Metal Film, Through Hole 80 Resistor Kit, 1 Ω → 1MΩ
Tolerance is the percentage of error in the resistor's resistance, or how much more or less you can expect a resistor's actual measured resistance to be from its stated resistance. A gold tolerance band is 5% tolerance, silver is 10%, and no band at all would mean a 20% tolerance.