1206J0500181MCTE01

Overview

The Knowles Syfer 1206J0500181MCTE01 is a three-terminal surface-mount EMI feedthrough capacitor in a 1206 (3216 metric) package. It features a capacitance of 180 pF with a ±20% tolerance and a DC voltage rating of 50 VDC. The component utilizes X7R dielectric material, ensuring stable performance across an operating temperature range of -55°C to +125°C. Designed for high-frequency noise suppression, it offers a current rating of 300 mA and achieves an insertion loss of 40 dB at 100 MHz.

Feature Summary

• Three-terminal architecture provides enhanced electromagnetic interference filtering compared to standard two-terminal capacitors
• X7R ceramic dielectric ensures reliable capacitance stability under varying thermal conditions
• Surface-mount construction facilitates automated assembly and compact circuit board integration

Applications

• High-frequency noise suppression in sensitive electronic circuits
• Power line filtering for integrated circuits requiring clean DC supply
• Signal integrity protection in communication equipment interfaces

Procurement Notes

Verify the specific suffix configuration against official manufacturer documentation to ensure correct termination and dielectric specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Cross-reference the full part number with authorized distributor catalogs to validate availability and lead times. Ensure storage conditions meet specified humidity limits to prevent degradation before soldering.

Selection Notes

Select this component when superior common-mode noise attenuation is required over standard MLCCs. The three-terminal design minimizes parasitic inductance, making it suitable for high-speed digital lines. Evaluate the 50V rating against peak transient voltages to ensure adequate margin. Consider the 1206 footprint constraints and thermal management capabilities during PCB layout planning.

Part Context

This component belongs to the Knowles Syfer E01 series of surface-mount EMI filters. The series is engineered for robust performance in demanding environments, combining high capacitance density with effective radio frequency interference suppression. It represents a specialized solution within the broader multilayer ceramic capacitor category, focusing specifically on signal purity and power integrity.

Replacement Considerations

Direct substitutes include other 1206 package three-terminal feedthrough capacitors from compatible manufacturers. Verify equivalent capacitance, voltage rating, and insertion loss characteristics. Check for pin-out compatibility and physical dimension alignment to ensure seamless replacement without PCB redesign.

FAQ

What is the insertion loss performance of this capacitor?

The component provides an insertion loss of 40 dB at 100 MHz.

What dielectric material is used in this component?

It utilizes X7R ceramic dielectric material for stable performance across its operating temperature range.