onsemi SZESD7016MUTAG

Overview

SZESD7016MUTAG from onsemi is an ultra-low-capacitance ESD protection diode array designed for USB 3.0 SuperSpeed differential data lines (SSTX+/−, SSRX+/−) and VBUS line protection. It delivers 0.15 pF typical junction capacitance, ±15 kV IEC 61000-4-2 contact/air ESD rating, and 10 V clamping voltage at 1 A, enabling signal integrity preservation in 5 Gb/s high-speed interfaces.

For engineers reviewing the SZESD7016MUTAG datasheet, pinout, applications, or equivalent options, key selection criteria include I/O-to-GND capacitance matching, IEC 61000-4-2 Level 4 compliance, flow-through UDFN8 layout compatibility, and automotive-grade AEC-Q101 qualification for USB 3.0 host/device port hardening.

Technical Context

The SZESD7016MUTAG integrates six bidirectional ESD protection channels - four for SuperSpeed differential pairs and two for D+/D− and VBUS - in a single UDFN8 package with internal flow-through routing. Its low 0.15 pF capacitance minimizes signal distortion while maintaining impedance continuity across matched-length PCB traces.

It operates across −55 °C to +125 °C junction temperature and features 5.0 V reverse working voltage with 5.5 V breakdown voltage per I/O-to-GND path. Clamping performance is validated under IEC 61000-4-2 ±8 kV contact discharge and TLP pulses up to ±16 A, delivering 14.6 V and 20.5 V clamping respectively.

Key Specifications

Pinout & Package

Package: UDFN8 (Case 517CB), 3.3 mm × 1.0 mm, 0.4 mm pitch, Pb-free, exposed copper thermal pad. Flow-through layout enables straight trace routing for differential pair impedance control.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ESD protection applications.

Compared with TPD4S012DRBR and ESD7L5.0DT5G, SZESD7016MUTAG uniquely combines six-channel protection, 0.15 pF loading, flow-through UDFN8 routing, and AEC-Q101 qualification - making it the only option that simultaneously satisfies USB 3.0 signal integrity, automotive reliability, and layout efficiency requirements.

Availability

SZESD7016MUTAG is available at Aetrix Electronics and suitable for USB 3.0 host controller protection, automotive infotainment interface hardening, and industrial machine vision camera link applications requiring stable component supply and automotive-grade reliability.

Supply support for SZESD7016MUTAG includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

onsemi is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.

SZESD7016MUTAG belongs to onsemi's ESD protection diode family engineered specifically for high-speed serial interfaces - emphasizing ultra-low capacitance, IEC 61000-4-2 Level 4 compliance, and flow-through packaging to preserve signal integrity in USB 3.0, HDMI, and PCIe designs.

FAQ

What is the primary circuit role of SZESD7016MUTAG in a USB 3.0 design?

SZESD7016MUTAG serves as a bidirectional ESD transient voltage suppressor for six critical USB 3.0 signal nodes: two SuperSpeed differential pairs (SSTX+/−, SSRX+/−), D+/D−, and VBUS. It routes ESD current to ground while maintaining sub-0.2 pF capacitance to avoid signal degradation at 5 Gb/s. Each I/O-to-GND path has 5.0 V reverse working voltage and clamps to ≤10 V at 1 A surge, protecting sensitive PHY receivers without affecting eye diagram integrity.

Does SZESD7016MUTAG support automotive applications?

Yes, SZESD7016MUTAG is AEC-Q101 qualified and PPAP capable, with an operating junction temperature range of −55 °C to +125 °C. The "SZ" prefix explicitly denotes automotive-grade manufacturing controls and site-specific change management. It meets IEC 61000-4-2 Level 4 (±15 kV contact) for in-vehicle USB 3.0 ports used in infotainment, telematics, and ADAS camera interfaces where reliability under thermal and ESD stress is mandatory.

How does the UDFN8 flow-through package benefit PCB layout for USB 3.0?

The UDFN8 flow-through package of SZESD7016MUTAG arranges pins linearly (I/O1–I/O6, VBUS/GND, GND) to enable straight, length-matched trace routing for differential SuperSpeed pairs. This eliminates vias, stubs, and bends that cause impedance discontinuities and crosstalk. With 3.3 mm × 1.0 mm footprint and 0.4 mm pitch, it supports compact layouts while maintaining consistent 90 Ω differential impedance - directly addressing USB 3.0 layout challenges documented in Figures 12–13 of the datasheet.

What is the clamping voltage behavior of SZESD7016MUTAG under real-world ESD events?

SZESD7016MUTAG delivers 10 V clamping at 1 A (8×20 μs pulse), 14.6 V at ±8 A TLP, and 20.5 V at ±16 A TLP - all measured I/O-to-GND. Under IEC 61000-4-2 ±8 kV contact discharge (Figure 1–2), clamping remains below 12 V across the waveform duration. This ensures protected ICs see voltages well below their absolute maximum ratings, preventing latch-up or oxide damage in USB 3.0 PHYs while preserving signal recovery time.

Can SZESD7016MUTAG replace discrete ESD diodes in existing USB 3.0 designs?

Yes, SZESD7016MUTAG replaces up to six discrete low-capacitance ESD diodes (e.g., ESD7L5.0DT5G) with identical electrical specs per channel, while adding integrated VBUS protection and flow-through routing. Its pinout matches standard USB 3.0 connector layouts (Figure 12), and the 0.15 pF capacitance ensures no signal integrity penalty versus discrete solutions. Layout redesign is minimal - primarily optimizing trace symmetry and grounding - and no changes to firmware or protocol stack are required.