1812J5000821MCTE03

Overview

The Knowles Syfer 1812J5000821MCTE03 is a feed-through multilayer ceramic capacitor designed for surface mount applications. It features an 820 pF capacitance with a ±20% tolerance, utilizing C0G/NP0 dielectric material. The component is rated for a DC voltage of 500 V and supports a continuous current of 50 mA. Housed in a standard 1812 (4532 metric) package, it operates within a temperature range of -55°C to +125°C.

Feature Summary

• Integrated feed-through architecture providing inherent electromagnetic interference filtering capabilities
• C0G/NP0 dielectric ensures stable capacitance performance across the specified operating temperature range
• Surface-mount design facilitates automated assembly on printed circuit boards

Applications

• High-frequency signal line filtering in electronic circuits
• Power supply input/output noise suppression
• Electromagnetic interference reduction in sensitive communication equipment

Procurement Notes

Verify the specific suffix E03 against the manufacturer's official datasheet to confirm terminal configuration and packaging details. Ensure the selected variant matches the required 50 mA current rating and 500 VDC withstand voltage for the target application environment. Cross-reference the package dimensions with the PCB footprint to guarantee mechanical compatibility during assembly.

Selection Notes

Select this component when integrated feed-through filtering is required alongside standard decoupling functions. The C0G dielectric offers minimal capacitance variation with voltage and temperature changes, making it suitable for precision timing or RF applications. Confirm that the 1812 package size fits the available board space and that the 50 mA current handling capability meets the circuit's operational demands without derating issues.

Part Context

This part belongs to the Knowles Syfer MLCC family, specifically engineered for high-reliability surface mount applications. The 1812J series designation indicates a general-purpose ceramic capacitor structure adapted for feed-through functionality. Manufactured by Knowles Syfer, these components are designed to meet stringent quality standards for industrial and commercial electronics.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.