0402HS-300EJTS

Fixed Inductors Overview

The Delta Electronics/Components 0402HS-300EJTS is a fixed surface-mount inductor designed for high-frequency applications. It features an unshielded drum core wirewound construction with a ceramic core material. The component provides an inductance of 30 nH and supports a rated current of 400 mA, while maintaining a DC resistance of 350 mOhm. Operating within a temperature range of -40°C to 125°C, it exhibits a self-resonant frequency of 2.8 GHz and a Q value of 25 at 250 MHz. Housed in a compact 0402 (1005 Metric) package measuring 1.27mm x 0.76mm with a maximum height of 0.60mm, this part ensures reliable performance in space-constrained designs.

Fixed Inductors Feature Summary

• Unshielded drum core wirewound construction utilizing ceramic core materials
• High self-resonant frequency capability suitable for RF circuits
• Compact 0402 surface-mount footprint optimized for automated assembly

Fixed Inductors Applications

• RF signal filtering and impedance matching networks
• DC-DC converter input/output chokes
• High-frequency oscillation circuits

Fixed Inductors Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to ensure correct packaging configuration. Confirm that the requested variant matches the required electrical tolerances and thermal ratings. Cross-reference the manufacturer part number with authorized distributor databases to validate authenticity and traceability before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when circuit design requires a low-inductance value under 30 nH with minimal physical footprint. Evaluate the 400 mA current rating against peak load requirements to prevent saturation. Consider the unshielded nature of the design regarding potential electromagnetic interference coupling in densely packed layouts.

Fixed Inductors Part Context

This component belongs to the 0402HS series of fixed inductors manufactured by Delta Electronics/Components. The series utilizes ceramic core technology to achieve stable performance across varying temperatures. It represents a standard solution for general-purpose high-frequency filtering where size constraints limit the use of larger inductive components.

Fixed Inductors Replacement Considerations

Consult official Delta Electronics cross-reference lists for verified substitute part numbers. Ensure any alternative maintains identical inductance, current rating, and package dimensions to preserve board layout integrity.