The RL6610-4.59-59-S1 from Amphenol Advanced Sensors/Thermometrics is NTC inrush current limiter with 7 Ohms (R @ 25°C), ±25% tolerance, 5A current rating and 170 mOhms (R @ current). This current limiter has 0.770" (19.56mm) diameter and 0.328" (8.33mm) lead spacing. Wide operating temperature range -50 to 175°C.