Q.
What is the benefit of PTC thermistors for overcurrent protection and inrush current limiting compared to fixed resistor?
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- PTC Inrush Current Limiters /
- PTC Thermistors for Overcurrent Protection
A. PTC thermistors are self-regulating and protect themselves and the circuit behind against overcurrent by automatically increase of the PTC resistance value. Furthermore the PTC element does not need to be replaced after failure case.