Ac Resettable Fuse

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. 10 pcs 72v 400ma radial lead type pptc resettable fuse polyswitch x72 xf040. 99 get it as soon as sat oct 3.

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Get it as soon as wed sep 2.

Ac resettable fuse.

Whereas a fuse will completely stop the flow of current which may be desired in critical applications after most similar overcurrent event ptcs continue to enable the equiment to function except in. Circuit protection ptc resettable fuses are in stock at digikey. Circuit protection ship same day. The ptc resettable fuse is not meant for high power.

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. The ceramic ptc thermistor has similar behavior but the resistance variation is not as fast. 4 6 out of 5 stars 91. Nte electronics r59 3a thermal circuit breaker fuse holder type 0 250 quick connect terminal 0 069 ohms 3 amp.

Read more read less. The most obvious difference is that ptcs are automatically resettable whereas traditional fuses need to be replaced after they they are tripped. 5 0 out of 5 stars 1. 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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