SL222R515T

Inrush Current Limiters (ICL) Overview

The SL222R515T is a negative temperature coefficient (NTC) thermistor inrush current limiter from the Vishay Ametherm SL22 series. It features a nominal resistance of 2.5 Ohms at 25°C and supports steady-state currents up to 15A. The component is rated for AC voltages of 115VAC and 230VAC, with a maximum peak inrush current capacity of 60A. It utilizes a radial leaded package with a 22mm disc diameter and 7.8mm lead spacing, designed for PCB mounting.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective limitation of high inrush currents during power-up sequences to protect downstream components.
• Exhibits self-regulating thermal behavior where resistance decreases as operating temperature rises.
• Offers UL approval for compliance with safety standards in electronic equipment applications.

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 'T' against the manufacturer datasheet to confirm tape-and-reel packaging requirements versus bulk options. Ensure the selected variant matches the required voltage rating and current handling capabilities for the target application circuit design.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the system's peak inrush current demands and steady-state operating current. Confirm that the 2.5 Ohm initial resistance provides adequate limiting without excessive voltage drop during normal operation. Validate compatibility with the available PCB footprint dimensions.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL22 series of inrush current limiters, characterized by a 22mm disc size. It serves as a protective element within the broader Vishay Ametherm portfolio of NTC thermistors designed for circuit protection and surge suppression tasks.

Inrush Current Limiters (ICL) Replacement Considerations

SL222R515 is a comparable bulk-packaged variant within the same series offering identical electrical characteristics but differing in packaging format.