B57237S0330M000 Thermistor, ICL NTC, 33 ohm, -20% to +20%, Radial Leaded. The B57237S0330M000 is a NTC Thermistor for inrush current limiting. Coated thermistor disk. Kinked leads of tinned copper wire. Wide resistance range. Manufacturer’s logo, NTC and resistance value stamped on.