4379-391HS

Fixed Inductors Overview

The Delevan 4379-391HS is a shielded surface-mount RF inductor with an inductance of 390 nH and a tolerance of ±3%. It features a maximum DC resistance of 50 mΩ and supports a maximum DC current of 750 mA. The component exhibits a minimum Q factor of 102 and a self-resonant frequency of 280 MHz. Its physical dimensions are 4.14 mm in length, 3.38 mm in width, and 3.56 mm in height. Designed for PCB mounting, it utilizes standard SMD/SMT termination types.

Fixed Inductors Feature Summary

• Shielded construction to minimize electromagnetic interference
• Surface-mount design for automated PCB assembly
• High self-resonant frequency suitable for RF applications

Fixed Inductors Applications

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

Fixed Inductors Procurement Notes

Verify the manufacturer part number against official Delevan documentation to ensure authenticity. Confirm that the specific suffix matches the required tolerance and electrical characteristics. Check RoHS compliance status as indicated in the datasheet. Ensure the ordering quantity aligns with the reel packaging requirements specified by the manufacturer.

Fixed Inductors Selection Notes

Select this component when a compact shielded inductor with low DC resistance is required for high-frequency applications. The 390 nH value and 280 MHz self-resonant frequency make it suitable for specific RF bands. Consider the 750 mA current rating for power handling needs. Verify footprint compatibility with the target PCB layout before integration.

Fixed Inductors Part Context

This component belongs to the Delevan Micro i series of RF inductors. It is designed for use in radio frequency environments where signal integrity is critical. The series offers various inductance values within a standardized package size to facilitate design flexibility across different RF products.

Fixed Inductors Replacement Considerations

Cross-reference with other Delevan 4379/R series parts for alternative inductance values. Verify pinout and dimensional compatibility if substituting with components from other manufacturers. Ensure equivalent shielding and current ratings are maintained.