EMI2124MTTAG

Common Mode Chokes Overview

The EMI2124MTTAG is a common mode filter integrating ESD protection and EMI filtering for high-speed serial digital interfaces like USB 2.0. It features a unidirectional configuration with one channel, operating at 5 V. Key electrical parameters include a breakdown voltage of 5.5 V, clamping voltage of 25 V, peak pulse current of 12 A, and diode capacitance of 1.3 pF. The device withstands 30 kV electrostatic discharge voltage. It has a maximum DC resistance of 8 Ohms and operates within a temperature range of -40°C to +85°C.

Common Mode Chokes Feature Summary

• Integrates common mode filtering with transient voltage suppression for signal line protection
• Provides electrostatic discharge protection rated up to 30 kV contact discharge
• Designed specifically for high-speed serial digital interface applications

Common Mode Chokes Applications

• USB 2.0 data lines
• High-speed serial digital interfaces
• Signal line EMI filtering

Common Mode Chokes Procurement Notes

Verify component status carefully as this part is scheduled for obsolescence and will be discontinued by the manufacturer. Confirm availability through authorized distributors or check for alternative sourcing options due to potential supply constraints. Ensure compliance with RoHS3 specifications and verify material composition declarations if required for specific manufacturing processes.

Common Mode Chokes Selection Notes

Select this component when designing circuits requiring integrated EMI filtering and ESD protection for single-pair differential signals. The low capacitance value supports high-speed data integrity. Consider the exposed pad package for thermal management and grounding efficiency. Verify that the unidirectional polarity matches the circuit's voltage requirements.

Common Mode Chokes Part Context

This component belongs to the EMI21 series from onsemi, designed for portable electronics and communication devices. It combines the functions of a common mode choke and a TVS diode in a compact surface-mount package. The WDFN-8 package allows for space-constrained PCB layouts while maintaining robust protection characteristics for sensitive digital interfaces.

Common Mode Chokes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the discontinued status, engineers should consult official replacement guides or contact the manufacturer directly for qualified alternatives.