105-681F

Overview

The Delevan 105-681F is a surface-mount RF inductor with 680 nH nominal inductance and ±1% tolerance. It features unshielded construction, 620 mΩ maximum DC resistance, and 395 mA maximum DC current rating. The component has a minimum Q of 35 and a self-resonant frequency of 160 MHz. Physical dimensions are 2.54 mm length, 2.54 mm width, and 1.91 mm height. It utilizes standard SMD/SMT termination and PCB mount installation style.

Feature Summary

• Unshielded fixed inductor design for radio frequency applications
• High precision ±1% inductance tolerance
• Surface-mount package configuration

Applications

• Radio frequency circuits
• RF signal processing
• High-frequency filtering

Procurement Notes

Verify availability status as the component may be subject to discontinuation or limited supply conditions. Confirm RoHS compliance details through official documentation prior to procurement. Ensure ordering suffixes match specific packaging requirements such as cut tape or reel quantities. Cross-reference manufacturer part numbers to avoid substitution errors during sourcing.

Selection Notes

Select this component for applications requiring precise inductance values in compact surface-mount layouts. Consider the 160 MHz self-resonant frequency limit when designing high-frequency circuits. Evaluate the 395 mA current rating against circuit load requirements. Verify that unshielded construction does not cause interference in dense PCB arrangements.

Part Context

The 105-681F belongs to the 105/R series of RF inductors manufactured by Delevan. This series provides fixed inductance solutions for electronic circuits. The component represents a specialized passive element within the broader category of surface-mount inductors designed for radio frequency environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for potential equivalents.