1812Y2000273MJTE03

Overview

The Knowles Syfer 1812Y2000273MJTE03 is a multilayer ceramic capacitor (MLCC) in an 1812 surface-mount package. It features a capacitance of 27 nF with a tolerance of ±20% and a DC voltage rating of 200 V. The component utilizes X7R dielectric material, ensuring stability across a temperature range of -55°C to +125°C. It incorporates FlexiCap technology with a nickel barrier and tin termination for enhanced reliability.

Feature Summary

• Integrates FlexiCap technology to improve mechanical robustness against cracking during thermal cycling and board flexing.
• Utilizes a nickel barrier electrode structure combined with 100% tin terminations for reliable solderability and corrosion resistance.
• Constructed as an X2Y capacitor architecture, providing simultaneous filtering of common-mode and differential-mode noise.

Applications

• High-frequency noise suppression in power supply input stages
• EMI/RFI filtering in automotive electronic control units
• Signal integrity protection in high-speed digital circuits

Procurement Notes

Verify the specific suffix configuration against the manufacturer's current datasheet to ensure compatibility with required termination materials and RoHS compliance standards. Confirm that the 1812 footprint matches the target PCB layout dimensions precisely. Check for any recent product change notices regarding material composition or manufacturing site updates before finalizing procurement orders.

Selection Notes

Select this component when application requirements demand high capacitance density within a standard 1812 footprint alongside superior mechanical durability. The X7R dielectric offers a balance of capacitance stability and cost-effectiveness compared to C0G types. Ensure the operating voltage remains below the 200 VDC rating to maintain long-term reliability under dynamic load conditions.

Part Context

This part belongs to the Knowles Syfer FlexiCap series, designed specifically for applications requiring enhanced mechanical strength. The 1812 case size allows for higher capacitance values than smaller packages while maintaining compatibility with standard SMT assembly processes. The X2Y configuration distinguishes it from standard two-terminal capacitors by offering three-terminal functionality in a compact form factor.

Replacement Considerations

Direct substitutes must match the 1812 footprint, 200V rating, 27nF value, and X7R dielectric. Verify that alternative components also feature FlexiCap or equivalent mechanical reinforcement if vibration resistance is critical. Cross-reference termination materials to ensure solderability compatibility with existing assembly processes.