N25SP018M

Inrush Current Limiters (ICL) Overview

The YAGEO N25SP018M is a Negative Temperature Coefficient (NTC) thermistor designed for inrush current limiting applications. It features an 18 Ohm resistance at standard reference conditions with a tolerance of ±20%. The component supports a continuous current rating of 5.5 A and dissipates up to 6.5 W of power. It utilizes a radial leaded construction suitable for PCB mounting, with a body diameter of 29 mm and a lead spacing of 7.5 mm. The device operates reliably within a temperature range of -40°C to +200°C.

Inrush Current Limiters (ICL) Feature Summary

• Provides effective suppression of high initial surge currents during power-up sequences
• Maintains low steady-state resistance to minimize operational power loss
• Offers robust thermal stability across wide industrial operating temperatures

Inrush Current Limiters (ICL) Applications

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

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to ensure correct tolerance and packaging specifications. Confirm that the radial lead configuration matches the target PCB footprint dimensions. Check regional availability status as distribution channels may vary. Ensure compliance with RoHS directives if required by the end product specifications.

Inrush Current Limiters (ICL) Selection Notes

Select this component when the circuit requires handling moderate inrush currents around 5.5 Amperes. The 18 Ohm resistance value must align with the system's peak current constraints. Verify that the 29 mm diameter fits within the available board space. Consider the 6.5 W power rating relative to ambient temperature derating curves for long-term reliability.

Inrush Current Limiters (ICL) Part Context

This part belongs to the YAGEO SP series of NTC thermistors. The series offers various resistance values and current ratings tailored for different power levels. The N25SP018M represents a mid-range option within the 25mm diameter form factor, balancing surge capacity with physical size constraints for general electronic equipment.

Inrush Current Limiters (ICL) Replacement Considerations

N25SP018M-F serves as a verified alternative variant within the same series.