Check the listing for details. Ametherm SL22 1R020 (Pack of 2) NTC THERMISTOR,ICL 1 OHM 20% 20A 22MM, (Also SG1. Condition: New. Listed at 9.57 USD. The bigAMP Inrush Current Limiters are specially designed thermistors able to withstand up to 36 amperes of continuous current and 260 joules of input energy. Applications include switching power supplies, AC motors, uninterruptible power supplies, and frequency generators.The bigAMP Inrush Current Limiters are specially designed thermistors able to withstand up to 36 amperes of continuous current and 260 joules of input energy. Applications include switching power supplies, AC motors, uninterruptible power supplies, and frequency generators.