1806J0250821MCTE01

Overview

The Knowles Syfer 1806J0250821MCTE01 is a surface-mount feed-through capacitor designed for EMI suppression. It features a capacitance of 820 pF with a ±20% tolerance and a DC voltage rating of 25 VDC. The component utilizes C0G (NP0) dielectric material, ensuring stable performance across an operating temperature range of -55°C to +125°C. Housed in a standard 1806 (4516 metric) package, it incorporates a three-terminal architecture with soft termination technology to enhance mechanical reliability. The device supports a maximum current of 300 mA and offers insertion loss characteristics suitable for high-frequency noise filtering applications.

Feature Summary

• Three-terminal feed-through architecture provides effective electromagnetic interference suppression within a compact surface-mount footprint.
• Soft termination construction mitigates stress-induced cracking during board flexing or thermal cycling, improving assembly reliability.
• C0G (NP0) dielectric ensures minimal capacitance variation over temperature and voltage changes for consistent signal integrity.

Applications

• Filtering high-frequency noise in sensitive analog and digital circuits
• EMI suppression on power and signal lines in communication equipment
• Protection of board-flex sensitive components in portable electronics

Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm terminal plating and termination style. Ensure compatibility with reflow soldering profiles specified by the manufacturer. Confirm RoHS compliance status through current regulatory documentation before integration into final assemblies.

Selection Notes

Select this component when board flexibility requires enhanced mechanical durability alongside EMI filtering. The 1806 package balances size constraints with current handling capabilities. Evaluate insertion loss requirements at target frequencies to ensure adequate attenuation for the specific noise spectrum encountered in the application.

Part Context

This part belongs to the Knowles Syfer FlexiCap series, which specializes in multilayer ceramic capacitors featuring flexible terminations. The series addresses common failure modes associated with rigid terminations in modern miniaturized electronics. The 1806J designation indicates a specific family variant optimized for surface-mount EMI filter applications requiring robust mechanical performance.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify pinout and electrical specifications carefully if considering alternative manufacturers' three-terminal feed-through capacitors.

FAQ

What is the maximum current rating for this feed-through capacitor?

The component supports a maximum current of 300 mA.

Does this component feature soft termination?

Yes, the 1806J0250821MCTE01 incorporates soft termination technology to improve resistance to mechanical stress.