1812Y5000333MJTE03

Overview

The Knowles Syfer 1812Y5000333MJTE03 is a feed-through capacitor designed for high-frequency noise suppression. It features a capacitance of 0.033 µF with a DC voltage rating of 500 VDC and a rated current of 50 mA. The component utilizes an X7R dielectric material, ensuring stable performance across a temperature range of -55°C to +125°C. Housed in a compact 1812 (4532 metric) surface-mount package, it employs a three-pad configuration optimized for PCB integration.

Feature Summary

• Integrated feed-through architecture for effective electromagnetic interference filtering
• High current handling capability suitable for power line applications
• Robust construction supporting operation in demanding thermal environments

Applications

• Power supply input filtering
• Electromagnetic interference suppression in industrial equipment
• Noise reduction in automotive electronic systems

Procurement Notes

Verify the specific suffix MJTE03 against official manufacturer documentation to confirm the feed-through topology and terminal configuration. Ensure compatibility with the required 50 mA current rating and 500 VDC operating conditions. Confirm that the 1812 footprint matches the target PCB layout constraints before finalizing procurement decisions.

Selection Notes

Select this component when integrated EMI filtering is required without additional discrete inductors. The feed-through design simplifies board layout by combining filtering and conduction functions. Verify that the application environment remains within the specified -55°C to +125°C operational limits to maintain dielectric stability and long-term reliability.

Part Context

This part belongs to the Knowles Syfer feed-through capacitor series, distinct from standard multilayer ceramic capacitors. Unlike general-purpose MLCCs such as the 1812Y5000333MDT, this model incorporates a conductive center pin structure. This design enables direct signal or power path integration while providing shunt capacitance to ground for high-frequency noise attenuation.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data.