CL184R7120

Inrush Current Limiters (ICL) Overview

The CL184R7120 is an inrush current limiter manufactured by Vishay Ametherm. It features a nominal resistance of 4.7 Ohms with a tolerance of ±25%. The device has a maximum operating temperature of 120°C and a physical diameter of 18mm (0.709 inches). It is designed for radial lead mounting on printed circuit boards.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of high inrush currents during power-up sequences
• Utilizes PTC thermistor technology for automatic reset functionality after thermal cooling
• Engineered to withstand repeated exposure to maximum inrush current stress without performance degradation

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary side protection
• Capacitive load charging circuits

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific datasheet revision and electrical characteristics against the manufacturer's official documentation before integration. Confirm that the thermal management requirements align with the device's heat capacity and dissipation constant specifications for the intended application environment.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required steady-state resistance value and the expected peak inrush current magnitude. Ensure the voltage rating and energy absorption capability exceed the circuit's worst-case transient conditions to prevent device failure.

Inrush Current Limiters (ICL) Part Context

This part belongs to the CL18 series of inrush current limiters from Vishay Ametherm. These components are specialized passive devices designed to protect electronic circuits from damage caused by excessive initial current flow when connected to a power source.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official substitution guides for compatible alternatives within the same product family or equivalent specifications from other manufacturers.