The RL6606-6.24-73-S1 from Amphenol Advanced Sensors/Thermometrics is NTC inrush current limiter with 10 Ohms (R @ 25°C), ±25% tolerance, 5A current rating and 180 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.