Could a resistor reduce its value by half after an overheat or after over-current?

0 ⤊

Could a resistor reduce its value by half after an overheat or after over-current?

I have a resistor that is reading 500 ohms (instead of 1K ohm) after an over-current, the color code is burn so I cannot identify if the original value was 1k or not.
Is there any possibility that a resistor reduce its value?

Thanks

2007-11-05 07:07:55 · 3 answers · asked by rafael 1 in Science & Mathematics ➔ Engineering

The resistor is a (phoenix) Metal Film Resistor

2007-11-05 09:47:36 · update #1

3 answers

If it is not wire wound but is instead composition or deposited then you can have that problem after it is burnt.

2007-11-05 07:29:53 · answer #1 · answered by Rich Z 7 · 0⤊ 0⤋

looking at the info. given,i'd say yes. apparently the overheat burned the orig.value off. this indicates you are correct.

2007-11-05 07:13:40 · answer #2 · answered by donguru 1 · 0⤊ 0⤋

yes.

2007-11-05 07:11:12 · answer #3 · answered by ? 7 · 0⤊ 0⤋