SL155R00803B

Inrush Current Limiters (ICL) Overview

The SL155R00803B is a radial lead NTC thermistor inrush current limiter from the Vishay Ametherm SL15 series. It features a nominal resistance of 5 Ohms with a tolerance of ±25%. The component is rated for a steady-state current of 8 A and supports voltage ratings of 115 VAC and 230 VAC. It has a cylindrical body diameter of 15 mm (0.591 inches) and utilizes radial leads for PCB mounting.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of high inrush currents to protect sensitive components in switching power supplies
• Utilizes negative temperature coefficient characteristics to reduce resistance as the device heats up during operation

Inrush Current Limiters (ICL) Applications

• Switching power supply input stages
• Electronic ballast circuits
• Power factor correction units

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm lead configuration and packaging details. Ensure the selected variant matches the required thermal and electrical specifications for the target application circuit.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required nominal resistance and maximum steady-state current rating. Confirm that the physical dimensions fit the available PCB space and that the voltage rating meets the system requirements.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL15 series of inrush current limiters, designed for general-purpose electronic applications requiring robust surge protection. The series offers various resistance and current combinations within a standardized form factor.

Inrush Current Limiters (ICL) Replacement Considerations

Consult official substitution lists for compatible parts within the same Vishay Ametherm family or equivalent NTC thermistors from other manufacturers meeting identical electrical and dimensional criteria.