UP3T-221-R

Fixed Inductors Overview

The Eaton UP3T-221-R is a fixed wirewound inductor with an inductance of 253 µH and a tolerance of ±20%. It features a maximum DC current rating of 980 mA and a maximum DC resistance of 398.7 mΩ. The component utilizes a nonstandard package design suitable for surface mount applications.

Fixed Inductors Feature Summary

• Wirewound construction for stable performance
• Nonstandard surface mount footprint
• Ferrite core material integration

Fixed Inductors Applications

• General purpose power filtering circuits
• DC-DC converter input/output stages
• Signal conditioning networks

Fixed Inductors Procurement Notes

Verify the specific pinout and mechanical dimensions against the official Eaton datasheet prior to PCB layout finalization. Confirm that the 980 mA current rating aligns with the thermal management requirements of the target application environment to ensure long-term reliability.

Fixed Inductors Selection Notes

Select this component when a 253 µH inductance value is required within a compact, nonstandard SMD form factor. Consider the 398.7 mΩ DCR impact on efficiency. Evaluate saturation characteristics against peak load currents to prevent performance degradation during transient states.

Fixed Inductors Part Context

This part belongs to the UP3T series of fixed inductors manufactured by Eaton Electronics Division. The series offers various inductance values tailored for space-constrained electronic designs requiring reliable passive components for power management and signal integrity applications.

Fixed Inductors Replacement Considerations

Cross-reference the UP3T-221-R with other Eaton UP series variants or Coiltronics equivalents. Ensure substitute parts match the 253 µH nominal value, 980 mA current rating, and compatible physical mounting constraints.