103R-471FS

Overview

The Delevan 103R-471FS is a surface-mount RF inductor with a nominal inductance of 470 nH and a tolerance of 1%. It features an unshielded design with a maximum DC resistance of 260 mOhms and a minimum Q factor of 22. The component supports a maximum DC current of 610 mA and has a self-resonant frequency of 215 MHz. Physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. It utilizes standard SMD/SMT termination for PCB mounting.

Feature Summary

• Unshielded chip construction for general-purpose RF applications
• Axial lead-free termination compatible with standard SMT processes
• Ferrite core material providing stable inductance characteristics

Applications

• RF circuit filtering
• Impedance matching networks
• General purpose inductor applications in electronic assemblies

Procurement Notes

Verify the specific suffix 'FS' against official manufacturer documentation to confirm exact tolerance and packaging specifications. Ensure compatibility with RoHS directives if required by the target application. Cross-reference the part number with authorized distributors to confirm current availability status and valid datasheet versions before finalizing procurement plans.

Selection Notes

Select this component when a 470 nH inductance value with tight 1% tolerance is required for RF circuits. Consider the unshielded nature of the device regarding potential magnetic interference in dense layouts. Evaluate the 610 mA current rating against peak operational loads to ensure reliable performance without saturation or excessive heating.

Part Context

This part belongs to the Delevan 103/R series of fixed RF inductors designed for surface-mount technology. The series offers various inductance values optimized for radio frequency applications. The 103R-471FS specifically provides a compact footprint suitable for modern PCB designs requiring precise inductive components.

Replacement Considerations

Equivalent parts include the API Delevan 103-471FS and 103R-471HS, though tolerance and shielding differences may apply. Verify electrical parameters such as DC resistance and current rating when substituting to maintain circuit integrity.