1206J2000473MXTE07

Overview

The Knowles Syfer 1206J2000473MXTE07 is a three-terminal EMI filter capacitor designed for surface mount applications. It features a 1206 (3216 metric) package with X7R dielectric characteristics and a capacitance of 47 nF ±20%. The component is rated for a DC voltage of 200V and operates within a temperature range of -55°C to +125°C. It utilizes a nickel barrier electrode structure with 100% tin terminations, providing robust solderability and mechanical stability for high-frequency noise suppression.

Feature Summary

• Three-terminal architecture provides enhanced electromagnetic interference filtering performance compared to standard two-terminal capacitors.
• Nickel barrier electrode construction ensures reliable termination integrity and compatibility with standard reflow soldering processes.
• X7R dielectric material offers stable capacitance performance across the specified industrial operating temperature range.

Applications

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

Procurement Notes

Verify the complete part number including suffixes to ensure correct termination and tolerance specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Cross-reference datasheet electrical parameters against design requirements to validate suitability for specific voltage and frequency conditions.

Selection Notes

Select this component when three-terminal EMI filtering is required in a compact 1206 footprint. Ensure the circuit operates within the 200V DC rating and -55°C to +125°C temperature limits. Consider the X7R dielectric behavior regarding capacitance variation with voltage and temperature during system design.

Part Context

This component belongs to the Knowles Syfer MLCC series, specifically engineered for surface mount technology. It integrates ceramic dielectric layers with specialized terminal structures to function as an effective low-pass filter for high-speed digital and analog signals.

Replacement Considerations

Direct substitutes must match the 1206 package, 200V rating, 47nF capacitance, and three-terminal EMI filter topology. Verify equivalent nickel barrier termination and X7R dielectric properties to maintain thermal and electrical performance consistency.

FAQ

What is the primary function of the three-terminal design?

The three-terminal design creates a low-inductance path for high-frequency noise, effectively shunting electromagnetic interference to ground while maintaining signal integrity on the main line.

What dielectric material is used in this capacitor?

The component uses X7R ceramic dielectric, which provides good capacitance stability over a wide temperature range from -55°C to +125°C.