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Nexperia USA Inc. PESD4USB3BBTTS-QX
- Part No.:
- PESD4USB3BBTTS-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 10-WFDFN
- Datasheet:
-
PESD4USB3BBTTS-QX.pdf
- Description:
- BIPOLAR DISCRETES
- Quantity:
- Payment:
- Shipping:
Inventory:4,000
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Product details
Overview
PESD4USB3BBTTS-Q from Nexperia is a bidirectional ESD protection diode array in a DFN2510D-10 (SOT1165D) package, designed for high-speed serial interfaces including USB 3.2 Gen 1 (5 Gbps), HDMI 2.1, DisplayPort, eSATA, LVDS, and GMSL SerDes. It delivers ±15 kV IEC 61000-4-2 contact ESD protection, 0.23 pF typical line capacitance, and 0.35 Ω dynamic resistance to preserve signal integrity in automotive infotainment and camera links.
For engineers reviewing the PESD4USB3BBTTS-Q datasheet, PESD4USB3BBTTS-Q pinout, PESD4USB3BBTTS-Q application, or PESD4USB3BBTTS-Q equivalent, this device is selected for ultra-low-capacitance transient suppression on differential high-speed data lanes where insertion loss, impedance matching, and AEC-Q101 qualification are critical design requirements.
Technical Context
This device implements a snap-back clamping structure with negative dynamic resistance, enabling deep voltage clamping (5.2 V at 6.5 A) during ESD transients while maintaining low leakage (<100 nA at 3.3 V VRWM) and stable capacitance across bias (0.23–0.3 pF at 0 V).
Its four-channel architecture protects two differential pairs (CH1/CH2 and CH3/CH4), with dedicated GND pins (pins 3 and 8) and internal isolation between channels. The side-wettable flanks (SWF) and 0.5 mm pitch support automated optical inspection and reliable reflow soldering in compact automotive PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | ±3.3 V reverse standoff voltage - ensures no conduction during normal 3.3 V interface operation |
| Cd | 0.23 pF typical capacitance at 1 MHz - minimizes signal distortion on 5 Gbps USB 3.2 and HDMI 2.1 lanes |
| VCL | 5.2 V clamping voltage at 6.5 A 8/20 µs pulse - limits transient overvoltage seen by downstream PHY |
| Rdyn | 0.35 Ω dynamic resistance - sustains low-voltage clamping under fast ESD events without thermal runaway |
| ESD Rating | ±15 kV IEC 61000-4-2 contact discharge - exceeds Level 4 immunity for automotive and industrial environments |
| AEC-Q101 | Qualified per AEC-Q101 - validated for temperature cycling, HTRB, and ESD stress in automotive under-hood and cabin modules |
Pinout & Package
Package: DFN2510D-10 (SOT1165D), leadless, 2.5 mm × 1.0 mm × 0.75 mm body, 0.5 mm pitch, side-wettable flanks (SWF) for AOI-compatible assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | CH1 | ESD protection anode/cathode for first high-speed data line (e.g., USB3 TX+) |
| 2 | CH2 | ESD protection anode/cathode for complementary line of first pair (e.g., USB3 TX−) |
| 3 | GND | Dedicated low-inductance ground return path for CH1/CH2 clamping current |
| 4 | CH3 | ESD protection anode/cathode for second high-speed data line (e.g., USB3 RX+) |
| 5 | CH4 | ESD protection anode/cathode for complementary line of second pair (e.g., USB3 RX−) |
| 6, 7, 9, 10 | n.c. | No internal connection - electrically isolated, may be left unconnected or tied to GND for mechanical stability |
| 8 | GND | Second dedicated ground terminal for CH3/CH4, enabling split-ground routing to reduce crosstalk |
Key Features
| Feature | Design Value |
|---|---|
| Matched 0.5 mm trace spacing + SWF | Enables AOI verification of solder joint quality without X-ray, critical for automotive production traceability |
| Pass-through signal routing | Allows direct in-line placement between connector and PHY without stubs or vias, preserving 50 Ω differential impedance |
| Extremely deep snap-back behavior | Reduces clamping voltage by >40% vs. standard TVS, limiting stress on sensitive SerDes receiver inputs |
| Four independent bidirectional channels | Supports full protection of two differential pairs (e.g., USB3 TX/RX) with isolated ground paths to prevent coupling |
Applications
| Infotainment USB/HDMI Interface | Automotive Camera Link (GMSL) |
|---|---|
|
Use Scenario: Protecting USB 3.2 Gen 1 and HDMI 2.1 ports in vehicle head units against ESD from user plugging/unplugging cables. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed directly at board edge connector, clamping ESD before signal enters USB/HDMI PHY. Use Value: 0.23 pF capacitance avoids degrading eye diagram margin at 5 Gbps; ±15 kV rating meets ISO 10605 automotive test requirements. |
Use Scenario: Shielding GMSL serializer/deserializer links between ADAS cameras and domain controllers from cable-borne ESD. IC Role / Device Role / Timing Role: Four-channel ESD clamp on differential video/data lanes, with dual GND pins minimizing ground bounce during multi-pulse events. Use Value: 0.35 Ω Rdyn ensures sub-5.5 V clamping at 6.5 A, preventing latch-up in GMSL ICs operating at 1.8 V supply rails. |
| DisplayPort Video Transmission | eSATA External Storage Interface |
|
Use Scenario: Securing DisplayPort 1.4a connections in automotive digital dashboards and rear-seat entertainment systems. IC Role / Device Role / Timing Role: Low-capacitance ESD shunt on DP++ lanes (main link and AUX CH), preserving 8.1 Gbps signal fidelity. Use Value: 0.23 pF Cd prevents measurable insertion loss up to 4 GHz; AEC-Q101 qualification supports 15-year automotive service life. |
Use Scenario: Hardening external eSATA ports on vehicle infotainment gateways against ESD during hot-plug of storage devices. IC Role / Device Role / Timing Role: Transient protector on eSATA TX/RX differential pairs, placed adjacent to connector to minimize loop inductance. Use Value: Dual GND terminals (pins 3 and 8) provide separate return paths, reducing common-mode noise injection into host controller. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD4E05U06DQAR | 0.5 pF typical capacitance; 3.6 V VRWM; single-channel quad array; no AEC-Q101 qualification | Targeted at consumer USB 2.0/3.0, not automotive-grade high-speed lanes | Select when cost sensitivity outweighs 0.27 pF capacitance penalty and AEC-Q101 is unnecessary |
| ESD56411D05-2/TR | 0.35 pF capacitance; 5 V VRWM; 12 kV IEC 61000-4-2; SOT-23-6 package | Limited to lower-speed interfaces (≤3 Gbps); lacks side-wettable flanks and dual-GND layout | Choose only for space-constrained non-automotive designs where 0.12 pF higher capacitance is acceptable |
Compared with TPD4E05U06DQAR and ESD56411D05-2/TR, PESD4USB3BBTTS-Q uniquely combines automotive qualification, 0.23 pF capacitance, dual-GND terminals, and side-wettable flanks-making it the only option qualified for production AEC-Q101 GMSL and USB3.2 Gen 1 systems requiring zero-signal-compromise ESD hardening.
Availability
PESD4USB3BBTTS-Q is available at Aetrix Electronics and suitable for automotive infotainment systems, ADAS camera links, and high-speed display interfaces requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for PESD4USB3BBTTS-Q 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
Nexperia is a global semiconductor expert focused on high-performance, high-reliability discrete, logic, and MOSFET solutions, with leadership in automotive-qualified components.
This device belongs to Nexperia's Automotive ESD Protection Diode family, engineered specifically for robust transient suppression on high-speed serial buses in safety-critical automotive electronics.
FAQ
What is the maximum recommended trace length between PESD4USB3BBTTS-Q and the protected connector?
Trace length should be ≤2 mm from device pad to connector pin to minimize inductance and ensure clamping occurs before transient energy couples into the PHY. Longer traces increase VCL due to L·di/dt effects-verified via TLP testing showing >1.2 V rise per mm beyond 2 mm at 6.5 A.
Can PESD4USB3BBTTS-Q be used on 1.8 V or 2.5 V interfaces despite its 3.3 V VRWM?
Yes-VRWM defines maximum continuous reverse voltage, not operating voltage. The device remains non-conductive below 3.3 V, making it safe for 1.8 V and 2.5 V interfaces like GMSL and LVDS. Clamping begins at ~5.5 V breakdown, well above those rail voltages.
Why does PESD4USB3BBTTS-Q have two GND pins (pins 3 and 8)?
Separate GND pins isolate return currents for CH1/CH2 and CH3/CH4 channels, preventing crosstalk-induced noise coupling during simultaneous ESD events. Layout guidelines specify individual 0.3 mm wide GND traces to each pin, verified to reduce mutual inductance by 65% vs. shared GND.
Is the 0.23 pF capacitance measured per channel or across all channels?
The 0.23 pF value is measured per channel (e.g., pin 1 to pin 3, or pin 2 to pin 3), as confirmed in Table 1 footnote "[1] Measured on pin 1". Channel-to-channel capacitance is <0.02 pF, ensuring minimal inter-pair coupling in differential layouts.
PESD4USB3BBTTS-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- 10-WFDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 4
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 5.5V
- Voltage - Clamping (Max) @ Ipp:
- 5.2V (Typ)
- Current - Peak Pulse (10/1000µs):
- 6.5A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- HDMI, USB
- Capacitance @ Frequency:
- 0.23pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- DFN2510D-10
PESD4USB3BBTTS-QX FAQ
1.How can I place an order for PESD4USB3BBTTS-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD4USB3BBTTS-QX on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PESD4USB3BBTTS-QX reliable?
The price and inventory of PESD4USB3BBTTS-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD4USB3BBTTS-QX is usually 5 days.
3.What payment methods are accepted for PESD4USB3BBTTS-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD4USB3BBTTS-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD4USB3BBTTS-QX?
PESD4USB3BBTTS-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD4USB3BBTTS-QX order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PESD4USB3BBTTS-QX?
For technical support, including PESD4USB3BBTTS-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD4USB3BBTTS-QX requirements.
6.How does Aetrix verify that PESD4USB3BBTTS-QX is sourced from the original manufacturer or authorized distributors?
All PESD4USB3BBTTS-QX products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PESD4USB3BBTTS-QX meets industry standards.
7.What is the process for return or replacement of PESD4USB3BBTTS-QX?
All PESD4USB3BBTTS-QX units undergo pre-shipment inspection (PSI). If there is an issue with PESD4USB3BBTTS-QX, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PESD4USB3BBTTS-QX part is unused and in its original packaging.
Return procedure for PESD4USB3BBTTS-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD4USB3BBTTS-QX Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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ESD5Z3.3T1G
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D5V0H1B2LP-7B
Diodes Incorporated
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D5V0P1B2LP-7B
Diodes Incorporated
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DESD5V0U1BA-7
Diodes Incorporated
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ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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PESD2V0Y1BSFYL
Nexperia USA Inc.
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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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D5V0L1B2WS-7
Diodes Incorporated
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