103R-681HS

Overview

The Delevan 103R-681HS 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 mΩ and supports a maximum DC current of 435 mA. The component exhibits 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. Designed for PCB mounting, it utilizes standard SMD/SMT terminations.

Feature Summary

• Unshielded construction suitable for high-frequency applications
• Surface-mount design for automated PCB assembly
• Standard termination style for reliable soldering

Applications

• RF circuit designs
• High-frequency electronic circuits

Procurement Notes

Verify the manufacturer part number against official Delevan documentation to ensure authenticity. Confirm RoHS compliance status through the specific datasheet provided by the manufacturer. Check for any ordering suffixes that may indicate variations in packaging or specifications. Ensure the supplier provides valid traceability documents for quality assurance purposes.

Selection Notes

Select this component when an unshielded RF inductor with 680 nH inductance is required. Consider the 435 mA current rating and 520 mΩ DC resistance for power handling needs. Evaluate the 175 MHz self-resonant frequency to ensure suitability for the target operating range. Verify space constraints against the 2.54 x 2.54 x 1.91 mm package dimensions.

Part Context

This component belongs to the Delevan 103/R series of RF inductors. It is categorized as an SMD type within the broader class of inductors, chokes, and coils. The series is specifically engineered for radio frequency applications requiring precise inductance values and stable performance at high frequencies.