Exhibition dynamics

Overcurrent protection device, self-resettable fuse PPTC

A resettable fuse (PPTC: polymer resettable fuse) is a polymer thermistor with a positive temperature coefficient that is used for overcurrent protection and can replace a current fuse. When the circuit is working normally, its resistance is small (the voltage drop is small), and when the circuit has an overcurrent, its temperature rises, and the value increases sharply by several orders of magnitude, so that the current in the circuit is reduced below safety

Overcurrent protection device, self-resettable fuse PPTC

A resettable fuse (PPTC: polymer resettable fuse) is a polymer thermistor with a positive temperature coefficient that is used for overcurrent protection and can replace a current fuse. When the circuit is working normally, its resistance is small (the voltage drop is small), and when the circuit has an overcurrent, its temperature rises, and the value increases sharply by several orders of magnitude, so that the current in the circuit is reduced below safety