1206J0500333MJTE07

Overview

The Knowles Syfer 1206J0500333MJTE07 is a multilayer ceramic capacitor (MLCC) designed for surface mount technology. It features a capacitance of 33 nF with a tolerance of ±20% and a DC voltage rating of 50 VDC. The component utilizes X7R dielectric material, ensuring stable performance across an operating temperature range from -55°C to +125°C. Housed in a standard 1206 (3216 metric) case size, it incorporates nickel barrier end terminations with 100% tin plating. This specific part number identifies a three-terminal EMI filter configuration, distinct from standard two-terminal capacitors.

Feature Summary

• Three-terminal architecture specifically engineered for electromagnetic interference suppression
• X7R dielectric composition providing reliable capacitance stability within the specified thermal range
• Nickel barrier termination system plated with 100% tin for enhanced solderability and corrosion resistance

Applications

• High-frequency noise filtering in sensitive electronic circuits
• Power supply input/output decoupling where common-mode noise reduction is required
• Signal line protection in communication interfaces

Procurement Notes

Verify the three-terminal EMI filter designation against standard two-terminal MLCC requirements during procurement. Confirm that the PCB footprint accommodates the additional ground terminal inherent to the three-terminal design. Ensure compatibility with reflow soldering profiles suitable for nickel-barrier terminations. Cross-reference the exact suffix JXT or similar variations if alternative packaging is considered, as terminal configurations may differ.

Selection Notes

Select this component when circuit topology requires superior high-frequency attenuation compared to standard capacitors. The three-terminal structure offers lower effective series inductance, making it suitable for applications demanding rapid transient response. Consider the physical dimensions of the 1206 package to ensure adequate clearance for the third terminal on the printed circuit board layout.

Part Context

This component belongs to the Knowles Syfer general type MLCC portfolio, characterized by robust construction for industrial and commercial electronics. The 1206J series denotes a 50V rated device within the 1206 form factor. The inclusion of EMI filter functionality distinguishes it from basic energy storage capacitors, positioning it within specialized passive components for signal integrity management.

Replacement Considerations

Direct substitutes must match the three-terminal EMI filter specification rather than simple capacitance values. Verify equivalent voltage ratings, capacitance tolerances, and dielectric types. Ensure replacement parts support the same thermal operating range and termination metallurgy to maintain assembly reliability.