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Ac resettable fuse.
Current ratings of up to a few tens of amperes and voltage ratings of up to few tens of volts are feasible.
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Utsauto circuit breaker 80amp waterproof fuse holder resettable fuse circuit breaker manual reset 12v 24v dc for car audio rv marine boat truck trolling motors inline fuse inverter 12 99 12.
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10 pcs 72v 400ma radial lead type pptc resettable fuse polyswitch x72 xf040.
A resettable fuse or polymeric positive temperature coefficient device pptc is a passive electronic component used to protect against overcurrent faults in electronic circuits the device is also known as a multifuse or polyfuse or polyswitch they are similar in function to ptc thermistors in certain situations but operate on mechanical changes instead of charge carrier effects in semiconductors.
The ceramic ptc thermistor has similar behavior but the resistance variation is not as fast.
The most obvious difference is that ptcs are automatically resettable whereas traditional fuses need to be replaced after they they are tripped.
The ptc resettable fuse is not meant for high power.
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