CM1431-04DE

Overview

The CM1431-04DE is a four-channel EMI filter array manufactured by onsemi, designed for high-performance electromagnetic interference suppression in data lines. It integrates an RC (Pi) network structure with electrostatic discharge protection capabilities. The component features a low-pass filtering configuration optimized for mobile device applications, providing effective attenuation of radio frequency noise while maintaining signal integrity across multiple channels.

Feature Summary

• Integrates four independent filtering channels within a single compact surface-mount package
• Combines passive RC filtering networks with integrated ESD protection diodes
• Engineered specifically for low-pass filtering applications in high-speed data lines

Applications

• Mobile device data line protection
• LCD interface EMI suppression
• Camera module signal filtering

Procurement Notes

Verify the exact datasheet version and package marking codes against official onsemi documentation before procurement. Confirm that the specific variant matches the required channel count and electrical specifications for your design. Ensure compliance with RoHS and halogen-free requirements as stated in the manufacturer's product compliance statements.

Selection Notes

Select this component when designing circuits requiring multi-channel EMI suppression with integrated transient protection. It is suitable for space-constrained mobile applications where separate filter and protection components would exceed board area limits. Evaluate the trade-off between insertion loss and capacitance values to ensure compatibility with target data rates.

Part Context

This part belongs to onsemi's portfolio of EMI filter circuits and bus switches. It addresses the growing demand for compact, integrated solutions in consumer electronics that require both signal conditioning and robust protection against environmental electrical stresses.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult onsemi technical support or authorized distributors for verified alternative components that match the specific electrical and mechanical requirements.