1812Y2000473MXTE03

Overview

The Knowles Syfer 1812Y2000473MXTE03 is a surface-mount feed-through capacitor featuring an X7R dielectric and a 200V DC voltage rating. It provides a capacitance of 0.047 µF with a ±20% tolerance in an 1812 (4532 metric) package. The component utilizes a flexible terminal design and incorporates a nickel barrier for enhanced reliability. It operates within a temperature range of -55°C to +125°C and is designed for high-frequency noise suppression applications.

Feature Summary

• Integrated feed-through architecture for effective high-frequency noise attenuation
• Flexible terminal construction to reduce mechanical stress on the substrate
• Nickel barrier layer included for improved environmental stability

Applications

• High-frequency noise suppression in electronic circuits
• Power supply input filtering stages
• Signal line protection against electromagnetic interference

Procurement Notes

Verify the complete part number including the suffix to ensure correct termination and packaging specifications. Confirm that the 200V rating and 0.047µF capacitance align with circuit requirements. Check for RoHS compliance status and specific handling instructions for flexible terminal components during assembly.

Selection Notes

Select this component when high-frequency noise reduction is required in space-constrained designs. The 1812 footprint offers a balance between capacitance density and physical size. Ensure the operating voltage does not exceed 200V DC and consider the thermal environment given the X7R dielectric characteristics.

Part Context

This component belongs to the Knowles Syfer 1812Y series, which specializes in feed-through capacitors. These devices are engineered for superior RF performance compared to standard MLCCs. The series is widely used in industrial and automotive electronics where reliable EMI/RFI suppression is critical.

Replacement Considerations

Direct substitutes must match the 1812 package, 200V rating, 0.047µF value, and feed-through topology. Verify terminal flexibility and nickel barrier presence if mechanical or environmental robustness is required.