CL-190

Inrush Current Limiters (ICL) Overview

The CL-190 is an NTC inrush current limiter from the CL series, manufactured by Amphenol Advanced Sensors (Thermometrics). It features a nominal resistance of 25 Ohms with a tolerance of ±25% at 25°C. The component supports a maximum steady-state current of 2.4 A and has a diameter of 0.550 inches (13.97 mm). Operating temperatures range from -50°C to +175°C. The unit utilizes straight leads with a spacing of 8.33 mm and complies with RoHS standards.

Inrush Current Limiters (ICL) Feature Summary

• Designed for controlling inrush current in switching power supplies and inverters
• Utilizes negative temperature coefficient (NTC) thermistor technology
• Complies with UL certification requirements

Inrush Current Limiters (ICL) Applications

• Switching power supplies
• Fluorescent lamps
• Inverters
• Motors

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific lead configuration and packaging type during procurement, as the CL-190 may be available in bulk or tape-and-reel formats depending on the distributor. Confirm that the selected variant matches the required steady-state current rating of 2.4 A and the 25 Ohm resistance value. Ensure compliance with RoHS directives and check for UL certification marks if required for the target application's safety standards.

Inrush Current Limiters (ICL) Selection Notes

Select the CL-190 when a robust NTC inrush current limiter is needed for circuits handling up to 2.4 A steady-state current. The 25 Ohm initial resistance provides effective surge suppression for switching power supplies and motor drives. Consider the wide operating temperature range of -50°C to +175°C for demanding industrial environments. The 13.97 mm diameter offers a compact footprint suitable for various PCB layouts.

Inrush Current Limiters (ICL) Part Context

The CL-190 belongs to the CL series of inrush current limiters produced by Amphenol Advanced Sensors (Thermometrics). This series is engineered to protect electronic components from high initial current spikes during power-up. The CL-190 specifically targets applications requiring reliable surge protection with a 25 Ohm resistance profile, serving as a critical protective element in power conversion and lighting systems.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.