NTE03-021LF

Inrush Current Limiters (ICL) Overview

The NTE03-021LF is an inrush current limiter manufactured by YAGEO, belonging to the NT series. It functions as a Negative Temperature Coefficient (NTC) thermistor designed to suppress high initial charging currents. The component features a nominal resistance of 21 Ohms with a tolerance of ±15%. It supports a maximum steady-state current of 3 Amperes and has a physical diameter of 0.531 inches (13.50mm). The device is supplied in bulk packaging.

Inrush Current Limiters (ICL) Feature Summary

• Suppresses high inrush currents during power-up sequences
• Provides automatic thermal protection against overcurrent conditions
• Maintains low steady-state resistance for efficient operation

Inrush Current Limiters (ICL) Applications

• Power supply input stages
• Consumer electronics AC/DC adapters
• Industrial control systems

Inrush Current Limiters (ICL) Procurement Notes

Verify the specific manufacturing date code and lot traceability upon receipt to ensure compliance with project requirements. Confirm that the bulk packaging condition meets storage and handling standards for sensitive electronic components before integration into assembly lines.

Inrush Current Limiters (ICL) Selection Notes

Select this component based on the required 21 Ohm nominal resistance and 3 A current rating. Ensure the physical dimensions fit the available PCB footprint. Evaluate the energy absorption capability relative to the specific circuit's capacitive load to prevent thermal runaway during repeated cycling.

Inrush Current Limiters (ICL) Part Context

This part belongs to YAGEO’s NT series of NTC thermistors. These components are engineered for reliable inrush current limiting in various electronic applications. The series offers standardized form factors to facilitate design-in processes across different product categories.

Inrush Current Limiters (ICL) Replacement Considerations

Cross-reference with other YAGEO NT series parts or equivalent NTC thermistors from qualified manufacturers. Verify that substitute components match the 21 Ohm resistance, 3 A rating, and 13.50mm diameter specifications.