103R-472KS

Overview

The Delevan 103R-472KS is an unshielded surface-mount RF inductor with a nominal inductance of 4.7 uH and a tolerance of 10%. It features a maximum DC resistance of 1.8 ohms and a self-resonant frequency of 55 MHz. The component supports a maximum DC current of 71 mA and maintains a minimum Q factor of 40. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.65 mm in height.

Feature Summary

• Unshielded construction for minimal magnetic interference
• Designed specifically for radio frequency applications
• Standard SMD/SMT termination style for PCB mounting

Applications

• RF circuit filtering
• Impedance matching networks
• Radio frequency choke applications

Procurement Notes

Verify the specific datasheet version and RoHS compliance status directly with the manufacturer or authorized distributor before procurement. Confirm that the 1.8 ohm DC resistance and 71 mA current rating align with your circuit requirements. Ensure the reel packaging format matches your automated assembly equipment specifications.

Selection Notes

Select this component when an unshielded RF inductor with a 4.7 uH value is required. Consider the 55 MHz self-resonant frequency limit to ensure operation remains below the resonance point. Evaluate the 71 mA current handling capability against peak load conditions to prevent saturation or thermal issues in the final design.

Part Context

This part belongs to the Delevan 103/R series of RF inductors. These components are characterized by their small form factor and suitability for high-frequency signal processing. The series offers various inductance values tailored for compact electronic designs requiring precise RF performance characteristics.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.