CL-50B

Inrush Current Limiters (ICL) Overview

The CL-50B is an NTC thermistor-based inrush current limiter manufactured by Amphenol Advanced Sensors under the Thermometrics brand. Designed for PCB mounting with straight leads, this component provides surge protection in electronic circuits. It features a nominal resistance of 7 Ohms and supports a maximum steady-state current of 5 A. The device is rated for AC voltages of 115 VAC and 230 VAC, with a resistance tolerance of ±25%. It operates within a temperature range of -50°C to +175°C and has physical dimensions of 19.56 mm in length.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes negative temperature coefficient (NTC) thermistor technology to limit initial surge currents upon power application.
• Engineered for direct PCB installation using radial straight lead termination.
• Capable of handling high voltage ratings suitable for standard AC line applications.

Inrush Current Limiters (ICL) Applications

• Surge current limiting in power supply input stages
• Protection of electronic circuits against inrush current damage
• Integration into AC-powered equipment requiring thermal management

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific manufacturer part number CL-50B against official Amphenol Advanced Sensors documentation to confirm electrical ratings and physical specifications. Ensure compatibility with the target circuit's voltage and current requirements before procurement. Cross-reference technical datasheets for precise thermal characteristics and mounting guidelines to guarantee reliable performance in the intended application environment.

Inrush Current Limiters (ICL) Selection Notes

Select the CL-50B when designing circuits that require robust inrush current suppression for AC line voltages up to 230 VAC. Consider its 5 A maximum current rating and 7 Ohm nominal resistance to ensure adequate protection without excessive power loss during normal operation. Evaluate the operating temperature range and package style to match the mechanical and thermal constraints of the final assembly design.

Inrush Current Limiters (ICL) Part Context

The CL-50B belongs to the CL series of inrush current limiters produced by Amphenol Advanced Sensors. This product line utilizes NTC thermistors to manage transient currents effectively. The component is distinct from other sensor types offered by the manufacturer, focusing specifically on protective functions within power electronics rather than measurement or sensing applications.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify exact electrical parameters and physical dimensions when evaluating alternative components to ensure functional equivalence in the circuit design.