1812J5000683MJTE03

Overview

The Knowles Syfer 1812J5000683MJTE03 is a feed-through multilayer ceramic capacitor designed for surface-mount applications. It features a capacitance of 0.068 µF with a DC voltage rating of 500V and a current rating 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 standard 1812 (4532 metric) package, it incorporates a three-pad configuration for secure mechanical attachment and electrical connection.

Feature Summary

• Integrates feed-through architecture for effective electromagnetic interference suppression within compact surface-mount layouts.
• Utilizes X7R dielectric characteristics to maintain consistent capacitance stability under varying thermal conditions.
• Features a robust three-pad terminal design to enhance mechanical reliability and solder joint integrity on the PCB.

Applications

• High-frequency noise filtering in sensitive electronic circuits
• Power supply input/output decoupling for signal integrity
• Electromagnetic interference suppression in automotive electronics

Procurement Notes

Verify the specific suffix MJTE03 against official manufacturer documentation to confirm the feed-through variant and pad configuration. Ensure compatibility with the required 50 mA current handling and 500V DC rating for the target application environment. Cross-reference the 1812 footprint dimensions with the PCB layout guidelines provided in the datasheet to guarantee proper assembly and thermal management.

Selection Notes

Select this component when high-voltage filtering and EMI suppression are required in a space-constrained surface-mount design. The X7R dielectric offers a balance of capacitance density and temperature stability suitable for general industrial and automotive environments. Consider the three-pad mounting style for applications requiring enhanced mechanical durability compared to standard two-terminal MLCCs.

Part Context

This part belongs to the Knowles Syfer feed-through capacitor series, which combines the benefits of traditional feed-through filters with modern surface-mount technology. These components are engineered to replace through-hole solutions, allowing for higher component density and automated assembly processes while maintaining superior RF noise attenuation capabilities in critical signal paths.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Verify functional equivalence regarding voltage, current, and capacitance values before considering alternative manufacturers or generic equivalents.