4379-392JS

Fixed Inductors Overview

The Delevan 4379-392JS is a shielded surface-mount RF inductor with an inductance of 3.9 µH and a tolerance of ±5%. It features a maximum DC resistance of 0.52 ohms and a rated current of 310 mA. The component utilizes a ferrite core and operates within a temperature range of -55°C to +125°C. Its self-resonant frequency is specified at 60 MHz, with a Q factor of 37 measured at 7.9 MHz. The physical dimensions are 4.14 mm in length, 3.38 mm in width, and 3.56 mm in height.

Fixed Inductors Feature Summary

• Shielded SMD construction for reduced electromagnetic interference
• Ferrite core design optimized for radio frequency applications
• Wide operating temperature range suitable for harsh environments

Fixed Inductors Applications

• RF circuit filtering
• Impedance matching networks
• General purpose RF signal processing

Fixed Inductors Procurement Notes

Verify RoHS compliance status as the component may contain lead. Confirm availability through authorized distributors, noting that stock levels fluctuate. Ensure the ordering suffix matches the required packaging format. Cross-reference the manufacturer part number with official datasheets to confirm electrical parameters before procurement.

Fixed Inductors Selection Notes

Select this component for applications requiring a 3.9 µH inductance with moderate current handling capabilities. Consider the shielded design if magnetic coupling suppression is necessary. Evaluate the 310 mA current rating against peak load requirements. Verify that the 4.14 x 3.38 mm footprint fits the PCB layout constraints.

Fixed Inductors Part Context

This part belongs to the Delevan 4379 series of shielded RF inductors. These components are designed for surface-mount technology and are commonly used in telecommunications and consumer electronics. The series offers various inductance values while maintaining consistent physical dimensions for standardized assembly processes.

Fixed Inductors Replacement Considerations

Direct substitutes include other shielded SMD inductors with identical 3.9 µH inductance, similar current ratings, and compatible footprints. Verify that replacement parts meet the same thermal and RF performance specifications.