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- PTC Inrush Current Limiters
Not only part-to-part variation or temperature dependency of PTC resistance, but also voltage or frequency dependency has to be taken into account, because it has an influence on maximum currrent value that can be applied to the circuit.
Please refer to 6.1 and 6.2 of PTC general technical information: https://www.tdk-electronics.tdk.com/download/531356/728d0d379187d1dfa0831555b8c93202/pdf-general-technical-information.pdf