Band Heater
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How do I find out the size of the resistor I need for my quartz heater?
Markings on the old resistor "IN 540 DC" with only one silver band.
I don't think it's a resistor. It may be a diode, A # 1N540. Let me check my references for specs.
Yes, definitely a diode, the band denotes the direction of current flow.
Any electronics part store should have a substitute for it. But the more common 1N4005 is easier to find, cheaper and actually has a slightly higher rating.
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