1812Y2000124MXTE03

Overview

The Knowles Syfer 1812Y2000124MXTE03 is a feed-through multilayer ceramic capacitor (MLCC) designed for surface-mount technology. It features a capacitance of 0.12 µF with a DC voltage rating of 200 V and a maximum current handling capability of 50 mA. The component utilizes X7R dielectric material, ensuring stable performance across an operating temperature range from -55°C to +125°C. Housed in the standard 1812 (4532 metric) package, it incorporates a nickel barrier structure compatible with FlexiCap flexible terminations. This configuration provides robust mechanical resilience against thermal cycling and board flexing while maintaining high-frequency noise suppression characteristics essential for sensitive electronic circuits.

Feature Summary

• Integrated feed-through architecture combining filtering functionality with compact surface-mount footprint
• Flexible termination design utilizing nickel barrier technology to enhance resistance to mechanical stress and thermal fatigue
• X7R dielectric composition providing consistent capacitance stability over a wide industrial temperature spectrum

Applications

• High-frequency noise suppression in power supply input stages
• Signal integrity protection in data communication interfaces
• Electromagnetic interference filtering in automotive electronics systems

Procurement Notes

Verify the complete part number including the suffix to ensure correct termination style and packaging configuration. Confirm that the selected variant matches the required current rating and voltage derating guidelines for the specific application environment. Cross-reference the manufacturer's latest datasheet for any updates regarding RoHS compliance status or recommended soldering profiles to guarantee reliable assembly and long-term operational stability.

Selection Notes

Select this component when space-constrained designs require integrated filtering capabilities within a standard 1812 footprint. The combination of 200 V rating and 50 mA current capacity suits applications demanding moderate power handling alongside effective high-frequency attenuation. Ensure the circuit layout accommodates the specific pad geometry required for the FlexiCap termination style to maximize mechanical reliability during operation.

Part Context

This component belongs to the Knowles Syfer FlexiCap series, which specializes in high-reliability capacitors featuring flexible terminations. The series addresses common failure modes associated with rigid terminations under thermal stress. As a feed-through device, it integrates filtering directly into the conductive path, offering superior performance compared to discrete parallel capacitors in high-noise environments.

Replacement Considerations

Direct substitutes must match the 0.12 µF capacitance, 200 VDC rating, 1812 package size, and feed-through topology. Verify compatibility of the nickel barrier flexible termination style to maintain equivalent mechanical durability. Generic MLCCs lacking the feed-through structure or flexible terminations are not suitable replacements for this specific application.