SL155R00903B

Inrush Current Limiters (ICL) Overview

The SL155R00903B is a radial leaded inrush current limiter from the Vishay Ametherm SL15 series. It features a 15 mm disc diameter and a nominal resistance of 5 Ohms at 25°C. The component has a steady-state current rating of 9 A and is rated for 115 VAC and 230 VAC systems. It utilizes an NTC thermistor element to suppress surge currents during power-up.

Inrush Current Limiters (ICL) Feature Summary

• Suppresses high inrush currents during initial power application
• Provides automatic reset capability after thermal cooling
• Radial leaded construction for through-hole PCB mounting

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Transformer primary circuits
• Capacitive load protection

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix '03B' against official manufacturer documentation to confirm exact tolerance, lead configuration, and approval status. Distributor listings may vary; rely on the datasheet for definitive electrical parameters and mechanical dimensions before integration.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 5 Ohm resistance and 9 A steady-state current capacity. Ensure the 15 mm package size fits the available PCB area. Confirm that the operating voltage aligns with 115 VAC or 230 VAC system requirements.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL15 series of inrush current limiters. These components are designed for general-purpose surge suppression in AC/DC power conversion applications. The series offers various resistance and current ratings within a standardized 15 mm form factor.

Inrush Current Limiters (ICL) Replacement Considerations

Consult the official Vishay Ametherm cross-reference guide for verified substitutes. Do not assume compatibility with other manufacturers' 15 mm NTC thermistors without verifying electrical and mechanical specifications.