103R-121J

Overview

The Delevan 103R-121J is an unshielded surface-mount RF inductor with a nominal inductance of 120 nH and a tolerance of ±5%. It features a maximum DC resistance of 125 mΩ and supports a maximum DC current of 880 mA. The component has a minimum Q factor of 30 and a self-resonant frequency of 750 MHz. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. Designed for PCB mounting, it operates within standard temperature ranges and is supplied in reel packaging.

Feature Summary

• Unshielded construction suitable for high-frequency RF applications
• Compact SMD form factor optimized for space-constrained PCB layouts
• Standard terminations facilitate reliable surface-mount assembly processes

Applications

• RF circuit design
• Signal filtering networks
• Impedance matching stages

Procurement Notes

Verify the specific manufacturer part number against official Delevan documentation to ensure compatibility with your design requirements. Confirm that the unshielded characteristic aligns with your electromagnetic interference constraints. Check for any updated datasheet revisions that may affect electrical parameters or mechanical tolerances before finalizing procurement decisions.

Selection Notes

Select this component when an unshielded inductor is required for RF frequencies up to 750 MHz. Consider the 880 mA current rating and 125 mΩ resistance for power handling needs. Ensure the 103/R series footprint matches your board layout. Compare against shielded alternatives if magnetic coupling isolation is necessary for the specific application environment.

Part Context

This component belongs to the Delevan 103/R series of fixed inductors. It is categorized as an RF inductor designed for surface-mount technology. The series offers various inductance values and tolerances, providing flexibility for different RF circuit requirements while maintaining consistent physical dimensions across the family.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Delevan resources for potential cross-references or equivalent components within their portfolio.