Sunday 12 March 2017

What happens to resistor when it "breaks" due to over-current or over voltage?


What happens to resistor when it "breaks" due to over-voltage or over-current?


Does it short or Open? or it merely ends up outside of specification?



Answer




Anything can happen, but most seem to go open circuit. You can buy 'fusible resistors' that are guarranteed to fail open circuit.


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