SL152R509

Inrush Current Limiters (ICL) Overview

The SL152R509 is a radial leaded inrush current limiter from the Vishay Ametherm SL15 series. It features a nominal resistance of 2.5 Ohms with a tolerance of ±20%. The component has a continuous current rating of 9 A and voltage ratings of 115 VAC and 230 VAC. Physical dimensions include a diameter of 16 mm, width of 5 mm, and lead spacing of 7.8 mm. It operates within a temperature range of -40°C to +150°C.

Inrush Current Limiters (ICL) Feature Summary

• Radial leaded construction for through-hole PCB mounting
• Negative temperature coefficient thermistor design
• High thermal stability across wide operating temperatures

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer protection circuits
• Capacitive load switching applications

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm exact electrical tolerances and physical dimensions. Ensure the selected variant matches the required continuous current and voltage ratings for the target application circuit. Cross-reference datasheet parameters with board layout constraints.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the 2.5 Ohm resistance value and 9 A current handling capability. Consider the 16 mm diameter and 7.8 mm lead spacing for PCB footprint compatibility. Evaluate thermal management requirements given the -40°C to +150°C operating range and dissipation factor specifications.

Inrush Current Limiters (ICL) Part Context

This part belongs to the MegaSurge SL15 series of NTC thermistors designed for inrush current limiting. These components are engineered to protect electronic equipment from high initial charging currents during power-up events.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official Vishay substitution guides for compatible alternatives within the SL15 family or other MegaSurge series variants that match the required resistance and current ratings.