NTD04-004M

Inrush Current Limiters (ICL) Overview

The YAGEO NTD04-004M is an NTC thermistor designed for inrush current limiting applications. It features a nominal resistance of 4 Ohms and supports a continuous current rating of 4 Amperes. The component operates within a temperature range of -40°C to +170°C. Physical dimensions include a diameter of approximately 8.00 mm (0.315 inches). Resistance tolerance is specified at ±20%. This device utilizes negative temperature coefficient characteristics to reduce peak current during power-up.

Inrush Current Limiters (ICL) Feature Summary

• Negative temperature coefficient behavior for automatic resistance reduction as temperature increases
• Designed specifically for limiting high inrush currents during circuit initialization
• Capable of withstanding continuous operational currents up to 4 Amperes

Inrush Current Limiters (ICL) Applications

• Power supply input stages for inrush current limitation
• Transformer primary side protection
• Motor drive circuit startup control
• General electronic equipment power entry points

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific suffix 'M' against official YAGEO documentation to confirm material composition and compliance status. Confirm that the 4 Ohm resistance value matches the target circuit requirements. Check for RoHS compliance details in the latest datasheet revision. Ensure the 4A current rating exceeds the application's steady-state needs. Validate the operating temperature range covers the intended environmental conditions.

Inrush Current Limiters (ICL) Selection Notes

Select this component when a low initial resistance of 4 Ohms is required to manage surge currents. Ensure the 4A continuous current capacity aligns with the load specifications. Consider the 8mm diameter for PCB footprint constraints. Verify that the -40°C to +170°C range suits the installation environment. Compare with other NT series variants if different resistance or current values are needed.

Inrush Current Limiters (ICL) Part Context

The NTD04-004M belongs to the YAGEO NT series of NTC thermistors. These components are engineered for robust inrush current suppression in various electronic systems. The series offers standardized dimensions and electrical characteristics for reliable integration into power management circuits across multiple industrial and consumer applications.

Inrush Current Limiters (ICL) Replacement Considerations

Public confirmed substitutes include NTD04-006LF and NTE04-009M from the same manufacturer. Verify that alternative part numbers match the required resistance and current ratings before substitution.