MF72-NTC**D-5 Surge Current Limiting Thermistor | φ5mm Disc NTC for AC Inrush Protection

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MF72-NTC**D-5 Series

5mm Disc Type NTC Thermistor for Inrush Current Suppression Applications

The MF72-NTC**D-5 series is a disc-type negative temperature coefficient (NTC) thermistor designed for inrush current suppression in AC input lines or motor startup circuits. With a compact φ5mm ceramic body, this series provides a balance between low initial resistance and high energy handling, effectively limiting surge current during power-on and protecting downstream components.

  • LED drivers and lighting rectifiers
  • SMPS and inverter input protection
  • Motor and fan inrush current buffering
  • Surge suppression in welders, chargers, energy storage
  • BMS, telecom base stations, and industrial electronics
Part Number Resistance at 25℃ Max. Permissible Working Current Resistance under Load Dissipation Factor Thermal Time Constant Maximum permissible capacitance @240Vac
R25 (Ω) ±20% Imax (A) (mΩ) δ(mW/℃) τ(Sec.) C(uF)
MF72-NTC5D-5 5 1 353 6 20 47
MF72-NTC10D-5 10 0.7 771 6 20 47
MF72-NTC16D-5 16 0.5 1093 6 18 47
MF72-NTC20D-5 20 0.3 1878 6 18 47

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