103R-472K

Overview

The Delevan 103R-472K is a fixed surface-mount RF inductor with an inductance of 4.7 µH and a tolerance of ±10%. It features a maximum DC resistance of 1.8 Ohms and a rated current of 230 mA. The component utilizes a nonstandard footprint with two leads, designed for PCB mounting. It operates within a temperature range of -55°C to 125°C and employs a ferrite core material.

Feature Summary

• Unshielded construction suitable for general RF applications
• Ferrite core material for stable inductance characteristics
• Surface-mount design with standard terminal configuration

Applications

• RF circuit filtering
• General-purpose signal processing
• Impedance matching networks

Procurement Notes

Verify the specific manufacturer documentation for the 103R-472K part number to confirm exact physical dimensions and electrical tolerances. Ensure compatibility with existing PCB footprints, as the package is classified as nonstandard. Cross-reference official datasheets for thermal management requirements and saturation current limits before final integration.

Selection Notes

Select this component when a 4.7 µH inductance value is required with a 230 mA current rating. The unshielded design may influence nearby components, so layout spacing must be considered. Verify that the 1.8 Ohm DC resistance aligns with power loss constraints in the target circuit application.

Part Context

This component belongs to the Delevan 103R series of fixed inductors. The series offers various inductance values tailored for RF and general electronic applications. The 103R designation indicates a specific form factor within the manufacturer's portfolio of surface-mount magnetic components.

Replacement Considerations

• 103-472K