MCL20500100AJ

Inrush Current Limiters (ICL) Overview

The MCL20500100AJ is a PTC thermistor inrush current limiter from the Vishay Ametherm MCL20 series. It features a nominal resistance of 100 Ohms and a maximum steady-state current rating of 5 Amps. The component has a diameter of 20mm and utilizes radial leads for PCB mounting. It is designed to withstand hundreds of hits of maximum inrush current without degradation, supporting high voltage ratings suitable for demanding applications.

Inrush Current Limiters (ICL) Feature Summary

• Industry-high voltage rating capability
• Withstands hundreds of maximum inrush current hits without degradation
• Radial leaded package for through-hole mounting

Inrush Current Limiters (ICL) Applications

• Inrush current limiting in EV chargers
• Protection of contactors in charging systems
• Temperature sensing applications

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'J' against the official Vishay datasheet to confirm tolerance or packaging variations. Ensure the selected variant matches the required 100 Ohm nominal resistance and 5A current rating for the target circuit design. Cross-reference the RoHS status and lead-free specifications with the manufacturer's latest documentation before finalizing procurement.

Inrush Current Limiters (ICL) Selection Notes

Select this component when high-cycle durability against inrush spikes is critical. The MCL20 series is appropriate for applications requiring robust protection without performance degradation over repeated events. Consider the 20mm form factor for available board space and the radial lead configuration for standard PCB assembly processes.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Vishay Ametherm MCL20 series of PTC inrush current limiters. The series is engineered for precision thermistor applications, offering various sizes and packages. The MCL20 specifically targets high-voltage and high-current environments where reliability under stress is paramount.

Inrush Current Limiters (ICL) Replacement Considerations

Consult the official Vishay substitution guide for direct equivalents. Verify that any alternative maintains the 100 Ohm resistance, 5A rating, and 20mm diameter. Ensure thermal and electrical characteristics match the original design requirements.