0402HM-3N9EJTS

Fixed Inductors Overview

The Delta Electronics/Components 0402HM-3N9EJTS is a fixed wirewound inductor with an unshielded drum core design. It features a ceramic magnetic core and operates within a temperature range of -55°C to 125°C. The component has an inductance of 3.9 nH with a tolerance of ±0.1nH, rated for 750 mA current and 70 mΩ DC resistance. It achieves a Q value of 25 at 250 MHz and a self-resonant frequency of 10 GHz. The surface-mount package measures 1.15mm x 0.70mm x 0.60mm.

Fixed Inductors Feature Summary

• Unshielded drum core construction for minimal parasitic effects
• High-frequency performance with 10 GHz self-resonant frequency
• Robust thermal stability across extended industrial temperature ranges

Fixed Inductors Applications

• RF matching networks requiring precise low-inductance values
• High-speed digital signal filtering applications
• Miniaturized power supply output stages

Fixed Inductors Procurement Notes

Verify the specific suffix 'J' against official datasheets to confirm tolerance class and packaging specifications. Confirm RoHS3 compliance status directly with the manufacturer or authorized distributors. Ensure the selected reel quantity matches production requirements as standard packaging may vary by region.

Fixed Inductors Selection Notes

Select this component when ultra-low inductance is critical for RF circuit integrity. The unshielded design requires careful layout consideration to minimize electromagnetic interference coupling. Verify that the 750 mA current rating aligns with peak operational loads to prevent saturation.

Fixed Inductors Part Context

This part belongs to the 0402HM series of high-frequency fixed inductors from Delta Electronics. The series utilizes ceramic drum cores to maintain stability at gigahertz frequencies. The 0402 footprint allows for dense PCB layouts in compact consumer and industrial electronics.

Fixed Inductors Replacement Considerations

The 0402HM-3N9EBTS is a documented alternative within the same series. Verify that the tolerance and packaging suffixes match the original design requirements before substitution.