SL22 0R516-A

Inrush Current Limiters (ICL) Overview

The SL220R516A is a negative temperature coefficient (NTC) thermistor inrush current limiter from the Vishay Ametherm SL22 series. Designed for PCB mounting, it features radial leads with a 7.8 mm spacing and a 1 mm lead diameter. The component has a 22 mm diameter and 4.5 mm width. It offers a nominal resistance of 0.5 Ohms with a ±25% tolerance. Rated for 16 A steady-state current, it supports 115 VAC and 230 VAC input voltages. The unit weighs approximately 9.4 grams and is supplied in bulk packaging.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of high inrush currents during power-up to protect downstream circuitry
• Features self-resetting capability that allows normal conduction after thermal stabilization
• Constructed with radial leads suitable for standard through-hole PCB assembly processes

Inrush Current Limiters (ICL) Applications

• Power supply input stages requiring surge protection
• Consumer electronics AC/DC adapter inputs
• Industrial control system power interfaces

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm tolerance and lead configuration. Ensure the selected variant matches the required steady-state current rating of 16 A and the nominal resistance of 0.5 Ohms for the target application. Confirm compliance with relevant safety standards such as UL approval if required by the design specifications.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 0.5 Ohm initial resistance and 16 A current handling capacity. Consider the 22 mm physical footprint and radial lead spacing when designing the PCB layout. Evaluate the thermal dissipation requirements to ensure the device operates within safe temperature limits during continuous operation.

Inrush Current Limiters (ICL) Part Context

This part belongs to the SL22 series of inrush current limiters manufactured by Vishay Ametherm. The series utilizes NTC thermistor technology to manage transient currents. Components in this family are characterized by their robust construction and ability to handle significant electrical stress during startup phases while maintaining low profile dimensions for compact electronic designs.

Inrush Current Limiters (ICL) Replacement Considerations

Cross-reference with other Vishay Ametherm SL22 variants sharing identical 0.5 Ohm resistance and 16 A ratings. Verify mechanical compatibility regarding lead spacing and body diameter before substitution.