1206J0500124MXTE01

Overview

The Knowles Syfer 1206J0500124MXTE01 is a surface-mount feedthrough capacitor designed for EMI filtering applications. It features a capacitance of 0.12 µF with a ±20% tolerance and a DC voltage rating of 50 V. The component utilizes X7R dielectric material, ensuring stable performance across an operating temperature range of -55°C to +125°C. Housed in a standard 1206 (3216 metric) package measuring 3.20 mm x 1.60 mm, it includes a maximum height of 1.30 mm. The device provides 300 mA current handling capability and achieves an insertion loss of 43 dB at 100 MHz, making it suitable for high-frequency noise suppression.

Feature Summary

• Integrated three-terminal feedthrough architecture for effective electromagnetic interference suppression
• X7R ceramic dielectric ensures reliable electrical stability within the specified industrial temperature range
• Compact 1206 surface-mount footprint facilitates automated assembly on dense circuit boards

Applications

• High-frequency noise filtering in electronic signal lines
• Power supply input/output decoupling circuits
• EMI suppression in automotive electronics systems
• Data line protection in communication interfaces

Procurement Notes

Verify that the specific part number matches the required capacitance and voltage ratings for the target application. Confirm compatibility with the manufacturing process regarding the 1206 package dimensions and soldering thermal profiles. Ensure the supplier provides official documentation confirming RoHS compliance and material declarations as required by regulatory standards.

Selection Notes

Select this component when a compact solution is needed for suppressing high-frequency noise in low-voltage environments. The 50V rating and 0.12µF value are appropriate for general-purpose filtering tasks. Consider the 300mA current limit and 43dB insertion loss at 100MHz to ensure adequate performance for the specific frequency spectrum and load conditions of the design.

Part Context

This component belongs to the Knowles Syfer EMI Filter series, specifically utilizing the E01 or E07 type designation for surface-mount technology. These devices are engineered to replace traditional discrete filter components, offering a space-saving alternative for integrated circuit protection. The product line focuses on providing robust shielding against electromagnetic disturbances in modern electronic assemblies.

Replacement Considerations

Direct substitutes include other 1206 package feedthrough capacitors from the same manufacturer family, such as the 1206J0500223MXTE01, provided the capacitance and current ratings align with the circuit requirements.