NTC 2D-20 Inrush Current Limiter, Power Thermistor 2 ohm, 8.5 Amp -ref:bA17

Th is Power NTC Thermistor provide inrush current suppression for sensitive electronics. Connecting one in series with the power source will limit the current surges typically created at turn on. NTC 2D-20 Circuit Protection Thermistor, Inrush Current Limiter.

eBay