EXC-CET220U

Overview

The Panasonic EXC-CET220U is a surface-mount EMI filter circuit designed for data line protection in mobile devices. It features an LC T-type topology with a capacitance of 22pF and operates at frequencies up to 900MHz. The component supports a rated voltage of 50V and a current rating of 2A. It utilizes an 1807 (4518 Metric) package and functions within an operating temperature range of -40°C to 85°C.

Feature Summary

• Provides third-order low-pass filtering for single-channel data lines
• Designed specifically for electromagnetic interference suppression in mobile device applications

Applications

• Data lines for mobile devices

Procurement Notes

Verify the exact part number against official Panasonic documentation to ensure compatibility with specific design requirements. Confirm that the 1807 package dimensions and termination style align with the target PCB layout. Ensure the selected variant meets all necessary regulatory compliance standards for the intended market.

Selection Notes

Select this component when designing circuits requiring compact EMI suppression for high-speed data interfaces in portable electronics. Consider the 22pF capacitance value and 2A current handling capability relative to the signal integrity needs of the application. Evaluate the thermal performance within the specified -40°C to 85°C range for environmental robustness.

Part Context

This component belongs to Panasonic's series of chip EMI filters, which are passive components used to attenuate unwanted noise. These filters are integral to maintaining signal integrity in modern electronic systems by blocking high-frequency interference while allowing desired signals to pass through unaffected.

Replacement Considerations

Consult official Panasonic substitution guides or authorized distributor databases for verified equivalent parts. Do not assume cross-compatibility with generic LC filters without verifying electrical parameters and physical footprint alignment.