103R-681GS

Overview

The Delevan 103R-681GS is an unshielded surface-mount RF inductor with a nominal inductance of 680 nH and a tolerance of 3%. It features a maximum DC resistance of 520 mOhms and supports a maximum DC current of 435 mA. The component has a minimum Q factor of 22 and a self-resonant frequency of 175 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 specific RF circuit requirements
• Surface-mount design compatible with standard PCB assembly processes
• High self-resonant frequency capability for RF applications

Applications

• RF circuits
• General electronic equipment requiring SMD inductors

Procurement Notes

Verify the exact suffix against official manufacturer documentation to confirm functional specifications. Ordering suffixes may indicate variations in packaging or specific manufacturing batches that do not alter electrical performance unless explicitly stated by the manufacturer. Ensure the part number matches the required tolerance and current ratings for the target application.

Selection Notes

Select this component based on its 680 nH inductance value and 3% tolerance suitability for the specific RF frequency range. Consider the 435 mA current rating and 520 mOhm resistance limits relative to the circuit's power dissipation requirements. Verify that the unshielded package type aligns with the electromagnetic interference constraints of the final device design.

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 typically offers various inductance values within a standardized footprint, allowing for consistent mechanical integration across different product designs while providing specific electrical characteristics for radio frequency signal processing.

Replacement Considerations

Public confirmed substitute part numbers: None identified.