103R-221KS

Overview

The Delevan 103R-221KS is an unshielded surface-mount RF inductor with a nominal inductance of 220 nH and a tolerance of 10%. It features a maximum DC resistance of 0.22 ohms and a minimum Q factor of 25. The component supports a maximum DC current of 665 mA and operates within a temperature range of -55°C to +125°C. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.

Feature Summary

• Unshielded construction for minimal magnetic interference
• Surface-mount design for automated PCB assembly
• High-temperature stability up to 125°C

Applications

• RF circuit filtering
• Impedance matching networks
• General-purpose RF applications

Procurement Notes

Verify the specific manufacturer datasheet for the 103R-221KS to confirm RoHS compliance status and exact electrical tolerances. Ensure the ordering suffix matches the required packaging format. Cross-reference terminal specifications with your PCB footprint requirements before finalizing procurement decisions.

Selection Notes

Select this component when an unshielded SMD inductor is required for RF applications. Consider the 220 nH value and 665 mA current rating against circuit demands. Verify that the 10% tolerance meets system precision needs. Compare physical dimensions against available board space constraints.

Part Context

This part belongs to the Delevan 103R series of fixed RF inductors. These components are designed for high-frequency signal processing. The series offers various inductance values while maintaining consistent physical footprints for design flexibility across different RF product lines.

Replacement Considerations

Publicly confirmed substitute part numbers for the 103R-221KS were not found in the provided documentation.