SL22 0R712-A

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL220R712-A is a Negative Temperature Coefficient (NTC) thermistor designed for inrush current limiting applications. It features a nominal resistance of 0.7 Ohms at 25°C and supports a steady-state current rating of 12 A. The component has a disc diameter of 22 mm and is rated for voltages of 115 VAC and 230 VAC. It utilizes radial leads with a pitch spacing of 3 mm and is available in bulk packaging.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of high inrush currents during power-up to protect downstream circuitry
• Features rapid resistance drop from initial high value to negligible levels under steady-state conditions
• Includes UL and CSA safety approvals for compliance in global electronic equipment designs

Inrush Current Limiters (ICL) Applications

• Switching power supplies
• Uninterruptible Power Supplies (UPS)
• Industrial inverters and variable frequency drives

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'A' against official Vishay documentation to confirm lead configuration or tolerance variations, as standard listings may omit this detail. Ensure the selected variant matches the required PCB footprint and thermal management constraints for the target application environment.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a low-resistance profile is required for higher current handling up to 12 A. The 22 mm form factor offers robust energy absorption capabilities compared to smaller variants. Confirm that the operating voltage requirements align with the 115 VAC and 230 VAC ratings specified for this series.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL22 series of bigAMP inrush current limiters manufactured by Vishay Ametherm. The series is characterized by high energy absorption and reliability for demanding power electronics. The SL220R712-A represents a specific resistance and current combination within this standardized product line.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Consult Vishay technical support for direct equivalents if supply chain constraints require alternative sourcing.