1806J0500390MCTE01

Overview

The Knowles Syfer 1806J0500390MCTE01 is a three-terminal feed-through capacitor designed for surface mount applications. It features a capacitance of 39 pF with a ±20% tolerance, rated for 50 VDC. The component utilizes C0G (NP0) dielectric material and operates within a temperature range of -55°C to +125°C. Housed in an 1806 (4516 metric) package measuring 4.5 mm x 1.6 mm x 1.3 mm, it supports a current rating of 300 mA.

Feature Summary

• Three-terminal EMI filter architecture providing effective noise suppression
• C0G (NP0) dielectric ensures stable capacitance across temperature variations
• Surface mount design compatible with automated assembly processes

Applications

• High-frequency signal line filtering
• Power supply decoupling in sensitive circuits
• EMI suppression in communication equipment

Procurement Notes

Verify the complete part number including suffixes to ensure correct termination and packaging specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Cross-reference datasheet electrical parameters against specific circuit requirements to validate performance under operational conditions.

Selection Notes

Select this component when low capacitance values are required for high-frequency filtering applications. The three-terminal structure offers superior high-frequency performance compared to standard two-terminal capacitors. Ensure the 1806 footprint aligns with the PCB layout constraints and that the 50V rating meets the circuit voltage demands.

Part Context

This component belongs to the Knowles Syfer FlexiCap series of feed-through capacitors. These devices integrate capacitor and inductor functions into a single surface-mount package. The series is engineered for compact designs requiring efficient electromagnetic interference reduction in space-constrained electronic systems.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative components by matching capacitance, voltage rating, package dimensions, and terminal configuration.