ECMF02-2BF3

Common Mode Chokes Overview

The ECMF02-2BF3 is a dual-line common mode filter with integrated ESD protection, designed for high-speed differential serial buses such as MIPI D-PHY. It operates within a voltage range of up to 6 V and supports bidirectional signal transmission. The component provides attenuation of -23 dB at 900 MHz and maintains -20 dB suppression from lower frequencies. It features a maximum DC resistance of 4 Ohms and is rated for a current of 100 mA. The device functions reliably across an operating temperature range of -30°C to 85°C.

Common Mode Chokes Feature Summary

• Integrated electrostatic discharge (ESD) protection for signal lines
• Designed to suppress electromagnetic interference on high-speed differential interfaces
• Compact flip-chip surface mount package

Common Mode Chokes Applications

• MIPI D-PHY high-speed differential serial buses
• Mobile device display and camera interfaces
• Portable electronics requiring EMI/RFI noise suppression

Common Mode Chokes Procurement Notes

Verify the specific ordering suffix to ensure the correct package variant and tape-and-reel configuration. Confirm that the application environment remains within the specified -30°C to 85°C operating temperature range. Ensure signal integrity requirements align with the stated attenuation characteristics at target frequencies before finalizing procurement.

Common Mode Chokes Selection Notes

Select this component when designing circuits for MIPI D-PHY or similar high-speed differential interfaces requiring compact footprint solutions. The integrated ESD capability eliminates the need for separate protection devices, simplifying layout. Verify that the 4 Ohm DC resistance does not impact power delivery or signal loss constraints in the specific design topology.

Common Mode Chokes Part Context

This part belongs to STMicroelectronics' ECMF portfolio of common mode filters. These components are engineered specifically for mobile and portable applications where space is limited and signal integrity is critical. The series offers various line counts and package options tailored for different interface speeds and protection levels.

Common Mode Chokes Replacement Considerations

Consult official substitution guides for compatible parts within the same family. Ensure any alternative maintains equivalent attenuation profiles and ESD ratings for the specific bus protocol.