SL225R006

Overview

The Vishay Ametherm SL225R006 is a radial leaded negative temperature coefficient (NTC) thermistor designed as an inrush current limiter. It features a nominal resistance of 5 Ohms with a tolerance of ±20%. The component has a maximum steady-state current rating of 6 A and is rated for voltages of 115 VAC and 230 VAC. The body diameter is 22 mm, with a width of 6 mm and a lead spacing of 7.8 mm. It utilizes a bulk packaging format.

Feature Summary

• Provides effective limitation of high inrush currents during power-up sequences to protect downstream electronic components.

Applications

• Power supply input stages
• Transformer protection circuits
• Motor drive inputs

Procurement Notes

Verify the specific manufacturer part number against official Vishay documentation to confirm electrical ratings and physical dimensions. Ensure that the selected component meets the required voltage and current specifications for the intended application circuit. Cross-reference datasheets for any updates regarding RoHS compliance or package variations.

Selection Notes

Select this component based on the required nominal resistance and maximum steady-state current capabilities. Consider the thermal characteristics and time constant requirements of the application. Verify that the physical dimensions fit within the available PCB space and that the lead configuration matches the assembly process.

Part Context

This part belongs to the SL22 series of inrush current limiters from Vishay Ametherm. These devices are engineered for robust performance in demanding power electronics applications. The series offers various resistance values and current ratings to suit different system requirements while maintaining consistent physical form factors for design flexibility.

Replacement Considerations

Consult official Vishay documentation for confirmed substitute part numbers. Do not assume interchangeability with other brands without verifying electrical and mechanical parameters.