SZEMI9404MUTAG

Overview

The SZEMI9404MUTAG is a four-channel EMI filter array with integrated electrostatic discharge (ESD) protection, manufactured by onsemi. It utilizes a unidirectional configuration within an 8-UFDFN Exposed Pad package measuring 1.7 x 1.35 x 0.5 mm. The device operates at a working voltage of 5 V and provides a clamp voltage of 20 V. Key electrical parameters include a total inductance of 70 nH, total capacitance of 11.5 pF, peak pulse current of 16 A, and diode capacitance of 24 pF. It withstands contact ESD voltages of 14 kV and air gap ESD voltages of 16 kV, functioning within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates four-channel LC filtering with ESD protection in a single compact component
• Provides high-level electrostatic discharge immunity for sensitive data lines
• Features low parasitic capacitance to maintain signal integrity in high-speed applications

Applications

• Protection of USB interfaces against ESD and EMI noise
• Shielding HDMI or DisplayPort connections from interference
• Guarding high-speed serial communication lines in consumer electronics

Procurement Notes

Verify the specific ordering suffix, as variants such as SZEMI9404MUTAG may differ in packaging or tape-and-reel specifications compared to standard EMI9404MUTAG. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required lead frame material and terminal finish for your assembly process. Cross-reference the exact part number with the latest datasheet to confirm availability and any potential obsolescence notices.

Selection Notes

Select this component when space-constrained designs require combined EMI suppression and ESD protection for multiple differential pairs. The low capacitance value supports high-frequency data transmission without significant signal degradation. Evaluate the 5 V operating voltage to ensure compatibility with the target system's logic levels. Consider the UDFN-8 package dimensions for PCB footprint constraints and thermal management requirements during layout.

Part Context

This part belongs to onsemi’s EMI940 series of complex array configurations designed for portable and industrial electronics. It addresses the growing need for robust signal line protection in devices with limited board real estate. The integration of filtering and protection reduces component count and simplifies assembly processes for manufacturers designing compact multimedia and computing hardware.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify pin-to-pin compatibility and electrical parameter equivalence with alternative vendors before considering cross-references.