1812Y0500334MSTE03

Overview

The Knowles Syfer 1812Y0500334MSTE03 is a multilayer ceramic capacitor (MLCC) in an 1812 (4532 metric) surface-mount package. It features a capacitance of 0.33 µF with a tolerance of ±20%. The device utilizes X7R dielectric material and has a DC voltage rating of 50 VDC. It is designed for high reliability, meeting AEC-Q200 automotive standards. The component incorporates FlexiCap technology with a nickel barrier to enhance mechanical robustness against stress-induced cracking.

Feature Summary

• Incorporates FlexiCap technology with a nickel barrier to improve resistance to mechanical stress and prevent termination cracking.
• Designed as an X2Y capacitor structure for enhanced electromagnetic interference filtering capabilities.
• Qualified to AEC-Q200 automotive standards for use in demanding electronic environments.

Applications

• Automotive electronics requiring AEC-Q200 qualified components
• Circuit boards subject to mechanical vibration or thermal cycling
• Electromagnetic interference suppression in sensitive signal lines

Procurement Notes

Verify the complete part number including the suffix STE03 to ensure correct termination and packaging specifications. Confirm that the supplier provides official documentation from Knowles Syfer. Check for current availability status as supply may be restricted. Ensure the procurement channel is authorized to guarantee component authenticity and traceability.

Selection Notes

Select this component when high mechanical durability is required alongside standard capacitance values. The X7R dielectric offers stable performance across a wide temperature range. Consider the 1812 footprint for board space constraints. Verify that the 50V rating meets the circuit's maximum operating voltage requirements under all conditions.

Part Context

This component belongs to the Knowles Syfer FlexiCap series, which specializes in mechanically robust MLCCs. The 1812Y prefix indicates the 1812 case size and X7R dielectric type. The specific model integrates advanced termination structures to address common failure modes in traditional MLCCs caused by board flexing.

Replacement Considerations

Direct substitutes must match the 1812 footprint, 0.33 µF capacitance, 50V rating, and X7R dielectric. Verify if the alternative component supports AEC-Q200 qualification and FlexiCap-style mechanical reinforcement. Cross-reference pin compatibility and electrical characteristics before implementation.