1008CS-4N7EJTS

Overview

The 1008CS-4N7EJTS is a fixed wirewound inductor from Delta Electronics/Components, featuring an unshielded drum core design with ceramic material. It offers an inductance of 4.7 nH with a ±5% tolerance and a rated current of 1 A. The component exhibits a DC resistance of 150 mOhm and operates within a temperature range of -40°C to 125°C. Key electrical specifications include a Q value of 50 at 1.5 GHz and a self-resonant frequency of 4 GHz. Measured in the 1008 (2520 Metric) surface-mount package, it is suitable for high-frequency applications requiring compact form factors.

Feature Summary

• Unshielded drum core construction utilizing ceramic materials for stable performance
• High self-resonant frequency capability supporting RF signal integrity
• Surface-mount compatibility with standard 1008 footprint dimensions

Applications

• RF circuit impedance matching networks
• High-frequency filtering stages
• DC-DC converter input/output chokes

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct tolerance and packaging specifications. Confirm RoHS3 compliance status and moisture sensitivity level requirements prior to integration into production workflows. Cross-reference datasheet revisions to validate parameter consistency.

Selection Notes

Select this component when low inductance values are required for high-frequency operation. Ensure the 1 A current rating meets circuit load demands without saturation. Verify that the unshielded design does not cause electromagnetic interference issues in dense layouts. Check physical dimensions against board space constraints.

Part Context

This component belongs to the 1008CS series of wirewound chip inductors manufactured by Delta Electronics/Components. The series utilizes ceramic cores and open-type drum structures to achieve high Q factors at radio frequencies. These inductors are designed for surface-mount assembly in consumer electronics and communication devices.

Replacement Considerations

Consult official Delta Electronics substitution guides for verified equivalents. Generic replacements may differ in Q factor or self-resonant frequency. Validate pinout and dimensional compatibility before switching suppliers.