SL2220007B

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm SL2220007B is a BigAMP inrush current limiter featuring a 22mm diameter NTC thermistor with a nominal resistance of 20 ohms and a steady-state current rating of 7A. It utilizes kinked radial leads for PCB mounting and belongs to the SL22 series. The component is UL certified, ensuring compliance with stringent safety standards for power electronics applications requiring robust surge protection.

Inrush Current Limiters (ICL) Feature Summary

• High energy absorption capacity designed to protect circuits during initial power-up
• UL certified for verified safety and performance reliability
• Kinked lead configuration facilitates secure PCB installation

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 that the specific part number matches the required electrical parameters, particularly the 20-ohm resistance and 7A current rating. Confirm the kinked lead style is compatible with the target PCB footprint. Ensure the procurement source provides official documentation confirming UL certification status for regulatory compliance.

Inrush Current Limiters (ICL) Selection Notes

Select this component when high surge current protection is required for equipment operating at standard AC voltages. The 22mm size offers higher energy handling compared to smaller variants. Consider the kinked lead design for automated assembly processes or specific mechanical constraints within the enclosure layout.

Inrush Current Limiters (ICL) Part Context

This device is part of the Vishay Ametherm BigAMP SL22 series, engineered for demanding power applications. It serves as a critical protective element against damaging inrush currents, distinguishing itself through its UL certification and robust thermal management capabilities inherent to the 22mm form factor.

Inrush Current Limiters (ICL) Replacement Considerations

Direct substitutes include other Vishay Ametherm parts within the SL22 series sharing identical 20-ohm resistance and 7A ratings, such as the SL2220007 without suffix variations if lead style permits.