SL10 12101-B

Inrush Current Limiters (ICL) Overview

The SL10 12101-B is a negative temperature coefficient (NTC) inrush current limiter manufactured by Vishay Ametherm. It belongs to the SL10 series, designed for protecting electronic circuits against high initial charging currents. The component features a nominal resistance of 120 Ohms with a tolerance of ±20%. It has a maximum steady-state current rating of 1 Ampere and a body diameter of 10.00 mm (0.394 inches). The device operates within a standard temperature range suitable for general industrial applications.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of inrush currents during power-up phases
• Utilizes NTC ceramic technology for rapid resistance reduction under load
• Compact radial leaded package facilitates easy PCB integration

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary circuit protection
• Capacitive load switching systems

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'B' against the manufacturer's latest datasheet to confirm dimensional tolerances and marking codes. Ensure the selected variant matches the required peak current handling capabilities for the target application circuit design.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the 120 Ohm nominal resistance requirement and the 1 Ampere current limit. Confirm that the 10mm body size fits the available board space and thermal dissipation requirements of the enclosure design.

Inrush Current Limiters (ICL) Part Context

This part is part of the SL10 series of inrush current limiters. These components are widely used in consumer electronics and industrial equipment to prevent nuisance tripping of fuses and protect sensitive semiconductor devices from thermal stress during startup.

Inrush Current Limiters (ICL) Replacement Considerations

Compatible substitutes include other Vishay Ametherm SL10 series parts with similar resistance and current ratings, such as the SL10 12101 or SL10 12101-B equivalents from authorized distributors, provided electrical parameters match exactly.