1806Y2000473MJTE07

Overview

The Knowles Syfer 1806Y2000473MJTE07 is a surface-mount feed-through capacitor designed for EMI suppression. It features a 1806 (4516 metric) package with three terminals and a capacitance of 0.047 µF. The component supports a maximum DC voltage of 100 VDC and handles up to 2 A of current. It utilizes X7R dielectric material, offering stable performance across an operating temperature range of -55°C to +125°C. The device incorporates a nickel barrier termination for enhanced reliability.

Feature Summary

• Three-terminal feed-through architecture provides effective electromagnetic interference filtering within a compact surface-mount footprint.
• Nickel barrier termination technology ensures robust solderability and long-term connection integrity in harsh environments.
• X7R ceramic dielectric maintains consistent capacitance characteristics over a wide industrial temperature range.

Applications

• High-frequency noise suppression in power distribution lines
• EMI filtering for sensitive analog and digital circuitry
• Signal integrity protection in communication equipment

Procurement Notes

Verify the complete part number including suffixes against official Knowles Syfer documentation to ensure correct termination and packaging specifications. Confirm RoHS compliance status through the manufacturer's latest product declarations. Cross-reference the datasheet for specific handling requirements and recommended soldering profiles to maintain component integrity during assembly.

Selection Notes

Select this component when high-current EMI filtering is required in space-constrained designs. The 1806 package offers a balance between capacitance value and board area efficiency. Ensure the application voltage does not exceed the 100 VDC rating and that the expected current load remains within the 2 A limit. Verify compatibility with existing PCB pad layouts for three-terminal components.

Part Context

This component belongs to the Knowles Syfer family of multilayer ceramic capacitors and EMI suppression filters. The brand specializes in application-specific passive components for demanding electronic environments. The 1806Y series specifically targets feed-through applications requiring reliable noise attenuation without significant signal degradation.

Replacement Considerations

Consult official substitution guides from Knowles Precision Devices for verified alternatives. Ensure any replacement matches the 1806 package dimensions, terminal configuration, and electrical ratings. Generic equivalents may not replicate the nickel barrier termination or specific EMI performance characteristics.