RD1/4681JTA
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69657080-RD1/4681JTA
Fixed Resistor, Carbon Film, 0.25W, 680ohm, 250V, 5% +/-Tol, -350ppm/Cel,
The resistance-change factor per degree Celsius of temperature change is called the temperature coefficient of resistance. This factor is represented by the Greek lower-case letter “alpha” (α). A positive coefficient for a material means that its resistance increases with an increase in temperature.