105-391G

Overview

The Delevan 105-391G is a surface-mount RF inductor with an inductance of 390 nH and a tolerance of ±2%. It features a maximum DC current rating of 585 mA and a maximum DC resistance of 280 mOhms. The component has a minimum Q factor of 35 and a self-resonant frequency of 185 MHz. It utilizes an unshielded design suitable for RF applications.

Feature Summary

• Surface mount RF inductor configuration
• Unshielded magnetic core design
• High self-resonant frequency capability

Applications

• RF circuit filtering
• Impedance matching networks
• Signal processing circuits

Procurement Notes

Verify availability status as the component may be discontinued or end-of-life. Confirm exact specifications against official manufacturer datasheets prior to procurement. Check for valid replacement part numbers if original supply is unavailable. Ensure compatibility with existing PCB footprints and thermal requirements during sourcing.

Selection Notes

Select this component for RF applications requiring precise 390 nH inductance with tight ±2% tolerance. Consider the 585 mA current limit and 280 mOhm resistance for power handling needs. Evaluate the 185 MHz self-resonant frequency to ensure suitability for target operating frequencies. Verify RoHS compliance and package dimensions for integration.

Part Context

The 105-391G belongs to the Delevan 105/R series of fixed inductors. This series offers surface-mount solutions for radio frequency designs. The component is manufactured by Delevan, specializing in passive electronic components. It serves as a specialized inductor for high-frequency signal integrity.

Replacement Considerations

Public sources indicate similar available parts such as 105R-391G. Verify electrical equivalence and physical footprint compatibility before substitution. Consult official manufacturer documentation for confirmed cross-reference data.