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Old 04-10-18, 08:04 AM   #31
SV650rules
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Default Re: K5 Pointy Headlight Connector Burning out

Quote:
Originally Posted by Ruffy View Post

This is correct. The semi-conductor junction has a fixed volt drop.

This is not correct. Power consumed in a component is the product of voltage dropped and current through it. P=IV. Dropping 1V at 10A generates 10x the heat of dropping 1V at 1A. (If this is not the case, why are diodes manufactured and sold with different current/power ratings?)

The larger diodes have a bigger surface area to dissipate the extra heat, the voltage drop stays the same within the current rating of the diode, after that you get thermal runaway and smoke
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