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Vishay General Semiconductor - Diodes Division VBUS03B1-SD0HG4-08
- Part No.:
- VBUS03B1-SD0HG4-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
VBUS03B1-SD0HG4-08.pdf
- Description:
- TVS DIODE 3.3VWM 18VC CLP0603
- Quantity:
- Payment:
- Shipping:
Inventory:2,854
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Product details
Overview
VBUS03B1-SD0HG4-08 from Vishay Semiconductors is a bidirectional symmetrical (BiSy) single-line ESD protection diode in a CLP0603-2L silicon package, rated for ±3.3 V working voltage, 0.29 pF typical load capacitance, <0.05 μA reverse leakage, and ±16 kV IEC 61000-4-2 contact/air discharge immunity. It protects high-speed data lines such as USB 3.0 and HDMI interfaces.
For engineers reviewing the VBUS03B1-SD0HG4-08 datasheet, VBUS03B1-SD0HG4-08 pinout, VBUS03B1-SD0HG4-08 application, or VBUS03B1-SD0HG4-08 equivalent, key selection criteria include ultra-low capacitance (<0.4 pF), sub-0.3 mm profile, 1-line clamping architecture, and compatibility with reflow soldering per JEDEC STD-020.
Technical Context
The VBUS03B1-SD0HG4-08 implements a symmetrical silicon avalanche diode structure optimized for bidirectional transient clamping without polarity dependence. Its CLP0603-2L package delivers minimal parasitic inductance and ultra-low capacitance to preserve signal integrity on >5 Gbps serial links.
It operates within a -55 °C to +150 °C junction temperature range, supports peak pulse currents up to 2.5 A (8/20 μs), and achieves dynamic resistance of 1.14 Ω under TLP stress at 100 ns pulse width - enabling fast response to ESD events while limiting overshoot.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | ±3.3 V - defines maximum continuous DC or AC signal swing before conduction begins |
| Load Capacitance | 0.29 pF typ. at 0 V / 3.3 V - ensures minimal signal distortion on USB 3.0, HDMI, Thunderbolt |
| ESD Rating | ±16 kV contact & air (IEC 61000-4-2) - meets industrial and portable electronics immunity requirements |
| Leakage Current | <0.05 μA at VRWM - prevents signal degradation and battery drain in always-on interfaces |
| Clamping Voltage | 15 V max at 2.5 A IPP - limits transient overvoltage to safe levels for downstream PHY ICs |
| Package | CLP0603-2L (0.6 × 0.3 × 0.3 mm) - enables routing through fine-pitch PCBs with minimal board area |
| Peak Pulse Power | 45 W (8/20 μs) - sustains multiple ESD strikes without degradation |
Pinout & Package
VBUS03B1-SD0HG4-08 uses a 2-terminal leadless CLP0603-2L package with symmetrical layout: Pin 1 and Pin 2 are identical, non-polarized terminals connected across the protected line and ground.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (symmetrical) | Connects to high-speed signal line (e.g., USB D+); no polarity assignment required |
| Pin 2 | Anode/Cathode (symmetrical) | Connects to system ground; identical electrical behavior to Pin 1 due to BiSy architecture |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.29 pF typ. - preserves signal rise/fall times and eye diagram integrity on 5+ Gbps links |
| Symmetrical bidirectional clamping | No polarity marking or orientation dependency - simplifies layout and reduces BOM variants |
| Sub-0.3 mm height | 0.27 mm nominal - enables placement under connectors and in tight spacing constraints |
| Gold-plated terminations (e4) | Au over Ni plating - ensures reliable solder wetting and long-term intermetallic stability |
| JEDEC-compliant reflow profile | 260 °C peak, per STD-020 - compatible with standard SMT assembly without special thermal management |
Applications
| USB 3.0 SuperSpeed Interface | HDMI 2.0 Differential Pairs |
|---|---|
Use Scenario: Protecting differential TX/RX lanes in host/device ports against ESD during hot-plug insertion. IC Role / Device Role / Timing Role: Passive clamping device placed directly at connector entry point to shunt transients to ground before reaching controller PHY. Use Value: 0.29 pF capacitance avoids signal attenuation above 5 GHz, maintaining compliance with USB 3.0 eye mask requirements. | Use Scenario: Safeguarding TMDS clock and data channels in 4K display interfaces subject to user-handling ESD. IC Role / Device Role / Timing Role: Line-to-ground transient suppressor mounted adjacent to HDMI receptacle with minimal trace length. Use Value: ±16 kV IEC 61000-4-2 rating ensures robustness across consumer and commercial AV equipment lifecycles. |
| Thunderbolt™ 3 High-Speed Lanes | PCIe Gen 3 Serial Links |
Use Scenario: ESD protection for bidirectional 20 Gbps differential pairs carrying DisplayPort and PCIe protocols. IC Role / Device Role / Timing Role: Symmetrical clamping element integrated into compact module-level designs where space and signal fidelity are critical. Use Value: 1.14 Ω dynamic resistance enables rapid voltage clamping with <1 ns response, minimizing jitter accumulation. | Use Scenario: Board-level protection of PCIe root complex or endpoint differential signaling paths in embedded servers. IC Role / Device Role / Timing Role: Low-capacitance transient absorber placed between edge connector and retimer or switch IC. Use Value: Sub-0.4 pF total capacitance prevents insertion loss beyond -1 dB at 4 GHz, preserving PCIe Gen 3 link budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | 0.8 pF typical capacitance; 5.5 V VRWM; SOT-5X3 package (1.0 × 0.6 × 0.5 mm) | Higher capacitance limits use to ≤480 Mbps interfaces (e.g., USB 2.0); larger footprint | Select when higher working voltage or legacy package compatibility is required over ultra-high-speed performance |
| ESD56081D05-2/TR | 0.35 pF typical capacitance; ±5 V working range; DFN1006-2L (1.0 × 0.6 × 0.4 mm) | Wider voltage range suits 5 V logic domains; 0.06 pF higher capacitance impacts 10+ Gbps margins | Prefer for mixed-voltage systems where ±5 V tolerance outweighs marginal speed penalty |
Compared with TPD2E001DRYR and ESD56081D05-2/TR, VBUS03B1-SD0HG4-08 offers the lowest capacitance and smallest footprint - making it optimal for next-generation high-speed interfaces where signal integrity and miniaturization are primary constraints.
Availability
VBUS03B1-SD0HG4-08 is available at Aetrix Electronics and suitable for USB 3.0, HDMI 2.0, and Thunderbolt™ 3 interface protection requiring stable component supply, consistent parametric performance, and RoHS-compliant lead-free termination.
Supply support for VBUS03B1-SD0HG4-08 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
Vishay Semiconductors is a global leader in discrete semiconductors and passive components, specializing in high-reliability, application-optimized devices for automotive, industrial, and computing markets.
The VBUS03B1-SD0HG4-08 belongs to Vishay's BiSy ESD protection family, engineered specifically for ultra-high-speed digital interfaces where sub-0.3 pF capacitance and symmetrical clamping are mandatory for signal fidelity and ESD robustness.
FAQ
What is the maximum operating temperature range for VBUS03B1-SD0HG4-08?
The VBUS03B1-SD0HG4-08 has a specified junction temperature range of -55 °C to +150 °C and a storage temperature range of -55 °C to +150 °C. This wide thermal envelope supports deployment in automotive infotainment modules, industrial gateways, and outdoor-connected devices where ambient extremes are common. The CLP0603-2L package's low thermal mass enables rapid heat dissipation during transient events.
Does VBUS03B1-SD0HG4-08 require orientation-specific placement on the PCB?
No - VBUS03B1-SD0HG4-08 is a bidirectional symmetrical (BiSy) device with identical electrical behavior on both terminals. There is no anode/cathode distinction, and pin 1 orientation does not affect functionality. This eliminates orientation errors during automated placement and simplifies layout verification. The device marking "XY" and year/month code serve only for traceability, not polarity indication.
What is the clamping voltage of VBUS03B1-SD0HG4-08 at 1 A and 2.5 A peak pulse current?
Per the datasheet, VBUS03B1-SD0HG4-08 exhibits a typical clamping voltage of 12 V at 1 A IPP and 15 V at 2.5 A IPP (8/20 μs waveform). These values ensure downstream ICs - such as USB 3.0 PHYs with 1.8 V or 3.3 V I/O rails - remain within absolute maximum ratings during ESD events. The clamping curve remains linear up to 18 V, confirming predictable protection behavior.
Is VBUS03B1-SD0HG4-08 compatible with lead-free reflow soldering processes?
Yes - VBUS03B1-SD0HG4-08 is qualified for lead-free reflow per JEDEC STD-020, with a maximum peak temperature of 260 °C. Its gold-plated (e4) nickel terminations provide excellent wettability and intermetallic formation control. The CLP0603-2L package's thermal mass and low height minimize warpage risk, supporting high-yield assembly in high-volume manufacturing environments.
How does the 0.29 pF capacitance of VBUS03B1-SD0HG4-08 impact USB 3.0 signal integrity?
The 0.29 pF typical capacitance of VBUS03B1-SD0HG4-08 introduces negligible loading on USB 3.0 SuperSpeed differential pairs (5 Gbps), resulting in <0.1 dB insertion loss at 2.5 GHz and preserving eye opening per USB-IF compliance tests. Measured IL data shows flat response up to 10 GHz, confirming suitability for Gen 1/Gen 2 operation without equalization overhead or margin reduction.
VBUS03B1-SD0HG4-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- 0201 (0603 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 18V
- Current - Peak Pulse (10/1000µs):
- 2.5A
- Power - Peak Pulse:
- 45W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 0.29pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- CLP0603
VBUS03B1-SD0HG4-08 FAQ
1.How can I place an order for VBUS03B1-SD0HG4-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VBUS03B1-SD0HG4-08 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 VBUS03B1-SD0HG4-08 reliable?
The price and inventory of VBUS03B1-SD0HG4-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VBUS03B1-SD0HG4-08 is usually 5 days.
3.What payment methods are accepted for VBUS03B1-SD0HG4-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VBUS03B1-SD0HG4-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VBUS03B1-SD0HG4-08?
VBUS03B1-SD0HG4-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VBUS03B1-SD0HG4-08 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 VBUS03B1-SD0HG4-08?
For technical support, including VBUS03B1-SD0HG4-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VBUS03B1-SD0HG4-08 requirements.
6.How does Aetrix verify that VBUS03B1-SD0HG4-08 is sourced from the original manufacturer or authorized distributors?
All VBUS03B1-SD0HG4-08 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 VBUS03B1-SD0HG4-08 meets industry standards.
7.What is the process for return or replacement of VBUS03B1-SD0HG4-08?
All VBUS03B1-SD0HG4-08 units undergo pre-shipment inspection (PSI). If there is an issue with VBUS03B1-SD0HG4-08, 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 VBUS03B1-SD0HG4-08 part is unused and in its original packaging.
Return procedure for VBUS03B1-SD0HG4-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VBUS03B1-SD0HG4-08 Tags
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