103R-102JS

Overview

The Delevan 103R-102JS is an unshielded surface-mount RF inductor with a nominal inductance of 1 µH and a tolerance of 5%. It features a maximum DC resistance of 0.54 ohms and supports a maximum DC current of 425 mA. The component has a minimum Q factor of 22 and a self-resonant frequency of 145 MHz. 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 standard RF applications
• Surface-mount design compatible with PCB mounting
• Ferrite core material for stable inductance

Applications

• RF choke circuits
• Radio frequency signal processing
• General purpose RF filtering

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical tolerances and packaging specifications. Ensure compatibility with standard SMD reflow processes and check RoHS compliance status through authorized distributors prior to procurement.

Selection Notes

Select this component for applications requiring a 1 µH inductance with moderate current handling capabilities up to 425 mA. Consider the unshielded nature when designing layouts to minimize magnetic interference with adjacent components. Verify that the 145 MHz self-resonant frequency aligns with the target operating range.

Part Context

This part belongs to the Delevan 103/R series of fixed RF inductors. These components are designed for high-frequency circuitry and utilize phenolic or ferrite core materials depending on the specific variant. The series offers various inductance values tailored for RF choke and general-purpose filtering tasks.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model were not identified in the provided source data.