1812J5000333MJTE03

Overview

The Knowles Syfer 1812J5000333MJTE03 is a surface-mount multilayer ceramic capacitor (MLCC) in an 1812 (4532 metric) package. It features a capacitance of 33 nF with a tolerance of ±20% and a DC voltage rating of 500 VDC. The component utilizes X7R dielectric material, providing stable performance across a temperature range of -55°C to +125°C. It incorporates a nickel barrier termination system with 100% tin plating for reliable soldering. This specific variant is identified as an X2Y capacitor, offering integrated filtering capabilities within the standard footprint.

Feature Summary

• Integrates X2Y circuit topology for enhanced electromagnetic interference suppression
• Utilizes nickel barrier termination structure with 100% tin plating
• Employs X7R dielectric material for consistent electrical characteristics

Applications

• Electromagnetic interference filtering in electronic circuits
• Power supply input/output noise reduction
• Signal line protection in sensitive digital systems

Procurement Notes

Verify the complete part number including the suffix MJTE03 to ensure correct X2Y configuration and termination specifications. Confirm that the 500V DC rating and 33nF capacitance align with the target circuit requirements. Check for RoHS compliance status if required by project regulations. Ensure handling procedures account for the specific mechanical robustness of the X2Y structure during assembly.

Selection Notes

Select this component when space-constrained designs require combined decoupling and filtering functions. The X2Y architecture allows for reduced board area compared to discrete filter components. Consider the X7R temperature coefficient for applications operating within the specified thermal range. Evaluate the 500V rating against peak transient voltages in the application environment.

Part Context

This component belongs to the Knowles Syfer high-reliability MLCC portfolio. The 1812J series designation indicates the 1812 case size and general product family. The specific model integrates advanced filtering technology into a standard surface-mount form factor, catering to modern electronics requiring compact noise management solutions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.