Amphenol Advanced Sensors Thermistor

The Amphenol Advanced Sensor's CL-140 is Inrush Current Limiting Thermistors consists of a disc thermistor with uninsulated lead-wires, and are used to control inrush current when switching power supplies. The main purpose of limiting inrush current is to prevent components in series with the input to the DC/DC convertor from being damaged. Typically, inrush protection prevents nuisance blowing of fuses or breakers as well as welding of switch contacts. With resistance of 50 ohms, and steady state current is 1.1 A.

Small physical size offers design-in benefits over large passive components.
Low cost, solid state device for inrush current suppression.
Best-in-class capacitance rating.
Low steady resistance and accompanying power loss.
Suitable for PCB mounting.
Wide operating temperature range: -58 F to 347 F (-50 C to 175 C).