ELK-EA221FA

Overview

The ELK-EA221FA is a surface-mount LC(T) type EMI filter manufactured by Panasonic Industry. It features a third-order low-pass configuration with a capacitance of 220 pF and a cutoff frequency of 30 MHz. Designed for mobile device data lines, it supports a rated voltage of 50 V and handles up to 6 A current. The component utilizes a 1207 (3218 metric) package with three PCB pads, measuring 3.2 mm in length, 1.8 mm in width, and 2.2 mm in height. It operates within a temperature range of -20°C to +85°C.

Feature Summary

• Provides reliable electromagnetic interference shielding for digital noise filtering
• Utilizes LC(T) topology for effective signal integrity preservation
• Engineered specifically for high-current data line applications

Applications

• Data lines for mobile devices
• Digital noise filtering in consumer electronics
• EMI suppression in portable communication equipment

Procurement Notes

Verify the specific manufacturer designation as sources list both Panasonic Industry and Panasonic Electric Works for this part number. Confirm the exact electrical characteristics against the official datasheet, as some distributors may list conflicting specifications such as maximum DC current ratings. Ensure compatibility with the required 1207 footprint and validate that the component meets the necessary RoHS compliance standards for your region before finalizing procurement.

Selection Notes

Select this component when designing circuits requiring robust EMI protection for high-speed data interfaces in compact form factors. The 1207 package size offers a balance between filtering performance and board space efficiency. Consider the 6 A current handling capability if the application involves significant power transmission alongside data signals. Verify thermal management requirements given the operating temperature limits and ensure the 50 V rating exceeds the system's peak voltage levels.

Part Context

This component belongs to the ELKEA series of EMI filters designed for surface-mount technology. The series is characterized by its ability to suppress electromagnetic interference in digital circuits while maintaining signal quality. The ELK-EA221FA specifically targets applications where space constraints are critical but high-performance noise filtration is mandatory, such as in modern mobile telecommunications hardware.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.