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Inrush-Current-Slide8

In summary, ICLs protect the components of equipment from damaging levels of inrush current. The ICL works as a special type of NTC thermistor where, with a rise in temperature, the resistance will drop logarithmically. The ICL will first block the inrush current by offering a high resistance at turn on, then remove itself from the circuit.  Ametherm’s ICLs are a common option for the protection of components in everyday equipment and help insure product longevity at little added cost.

PTM Published on: 2011-03-11