SL225R006A

Overview

The SL225R006A is a radial lead Negative Temperature Coefficient (NTC) thermistor designed as an inrush current limiter. It features a nominal resistance of 5 Ohms with a tolerance of ±20% and a steady-state current rating of 6 Amperes. The component has a cylindrical body diameter of 22 mm, with a width of 6 mm and a pitch distribution of 2.74 mm. Lead specifications include a diameter of 1 mm and a spacing of 7.8 mm. It supports voltage ratings of 115 VAC and 230 VAC, utilizing PCB mount installation.

Feature Summary

• Utilizes NTC thermistor technology to effectively limit high inrush currents during power supply startup
• Provides robust protection for sensitive components against thermal stress and electrical damage
• Features kinked radial leads designed for secure through-hole PCB mounting

Applications

• Switching power supplies
• Electronic ballasts
• Power factor correction circuits

Procurement Notes

Verify the specific suffix 'A' against official Vishay documentation to confirm lead configuration details. Ensure the selected variant matches the required mechanical footprint and thermal characteristics for the target application. Cross-reference the manufacturer datasheet for precise handling and soldering parameters.

Selection Notes

Select this component based on the required 5 Ohm initial resistance and 6 A continuous current capacity. Confirm that the 22 mm body size fits within the available board space. Evaluate the thermal dissipation requirements and ensure the operating environment aligns with the device's specified voltage ratings.

Part Context

This part belongs to the SL22 series of inrush current limiters from Vishay Ametherm. The series offers various resistance and current combinations tailored for different power levels. The SL225R006A specifically addresses applications requiring moderate current limiting with a standard 22 mm form factor.

Replacement Considerations

Consult official substitution lists for verified alternatives. Generic equivalents may differ in thermal response or mechanical dimensions.