MSQ3R012

Inrush Current Limiters (ICL) Overview

The Vishay Ametherm MSQ3R012 is a Negative Temperature Coefficient (NTC) ceramic inrush current limiter designed for power supply protection. It features a nominal resistance of 3 ohms and supports a maximum steady-state current of 12 amperes. The component has a standard diameter of 22 millimeters and is UL approved for safety compliance.

Inrush Current Limiters (ICL) Feature Summary

• Utilizes metal oxide ceramic construction for reliable inrush current limiting
• Provides effective protection against high initial charging currents
• UL approved for industrial safety standards

Inrush Current Limiters (ICL) Applications

• Power supply input protection
• Motor circuit surge suppression
• Electronic equipment startup current control

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix to confirm custom parameter alignment, as distributor listings may indicate customized variants. Ensure the selected component matches the required electrical specifications for the target application circuit design.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required nominal resistance and maximum continuous current rating. Confirm that the physical dimensions fit the available board space and that the thermal characteristics meet the operational environment requirements.

Inrush Current Limiters (ICL) Part Context

This part belongs to the Vishay Ametherm line of precision thermistors specialized for inrush current limiting applications. The manufacturer offers various sizes and forms to accommodate different power levels and mechanical constraints in electronic assemblies.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs before considering alternative components from other manufacturers.