The role of PTC self-recovery: It is small when the circuit is working properly (low pressure drop), when the circuit occurs, when the temperature is increased, the resistance increases sharply several quantities, so that the current in the circuit Reduce the safety value below, so that the rear circuit is protected. After the troubleshooting, the PPTC component is quickly cooled and will reply to the original low resistance state, so it can be re-work like a new PPTC component.
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