The B57238S0259M0 from TDK Corporation is a Negative Temperature Coefficient Thermistor that has been designed to limit the inrush current present in switch-mode power supplies (SMPS) and soft-start motors. It has a voltage rating of 110 to 230 V and a current rating of up to 8.4 A. This IEC-approved inrush current limiter has a resistance of less than 0.054 ohms. It exhibits highly stable electrical characteristics and has a tolerance of less than 20%. It is available in a through-hole package that measures 48 x 16 x 6 mm.
