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Vishay General Semiconductor - Diodes Division VESD33A2-03GHG3-08
- Part No.:
- VESD33A2-03GHG3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
VESD33A2-03GHG3-08.pdf
- Description:
- TVS DIODE 33VWM 62.5VC SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:7,000
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Product details
Overview
VESD33A2-03GHG3-08 from Vishay Semiconductors is a dual-line unidirectional ESD-protection diode array in SOT-323, designed for 33 V DC working voltage lines with 15 kV IEC 61000-4-2 contact/air discharge immunity, 1.6 A peak pulse current (8/20 μs), and 12–18 pF capacitance at 1 MHz - deployed in automotive infotainment data lines and industrial sensor interfaces.
For engineers reviewing the VESD33A2-03GHG3-08 datasheet, VESD33A2-03GHG3-08 pinout, VESD33A2-03GHG3-08 application, or VESD33A2-03GHG3-08 equivalent, this page delivers verified electrical specs, package geometry, real-world use cases, and validated alternative parts for high-reliability ESD protection design-in.
Technical Context
This device implements two independent unidirectional avalanche diodes in a single SOT-323 package, each configured as a cathode-to-rail clamp to ground. It operates within a -55 °C to +150 °C junction temperature range and meets AEC-Q101 qualification when marked with 'H'.
The VESD33A2-03GHG3-08 features a 33 V reverse stand-off voltage (VRWM), 35.5–39.3 V breakdown (VBR at 1 mA), and clamps to ≤62.5 V under 1.6 A transient stress (8/20 μs). Its 15 pF typical capacitance enables low-signal-distortion protection on high-speed analog or digital lines up to ~100 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Dual-line unidirectional ESD protection diode array |
| Reverse Stand-off Voltage (VRWM) | 33 V - maximum continuous DC operating voltage before conduction begins |
| Peak Pulse Current (IPPM) | 1.6 A (8/20 μs) - transient surge handling capacity per line without failure |
| Clamping Voltage (VC) | ≤62.5 V at 1.6 A - limits downstream IC voltage during ESD event |
| Capacitance (CD) | 12–18 pF at 0 V, 1 MHz - preserves signal integrity on USB, CAN, or sensor lines |
| ESD Immunity | ±15 kV contact / ±15 kV air (IEC 61000-4-2) - meets automotive and industrial immunity requirements |
| Junction Temperature Range | -55 °C to +150 °C - supports under-hood and industrial ambient conditions |
Pinout & Package
SOT-323 package: 3-pin surface-mount, 1.3 mm × 1.8 mm × 0.9 mm body, lead-free Sn (e3) plating, MSL level 1, compatible with standard reflow profiles (peak 260 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode of Channel 1 | Connects to protected signal line 1; clamps to ground via internal diode when overvoltage occurs |
| Pin 2 | Anode of Channel 2 | Connects to protected signal line 2; independent clamping path from Pin 1 |
| Pin 3 | Cathode (common ground) | Shared cathode tied to system ground; establishes reference for both protection paths |
Key Features
| Feature | Design Value |
|---|---|
| Compact SOT-323 footprint | Enables dual-line ESD protection in <2.5 mm² PCB area - ideal for space-constrained automotive modules |
| Low dynamic resistance (rdyn) | 3.6 Ω (TLP, 100 ns) - ensures fast response and stable clamping behavior during nanosecond transients |
| Ultra-low leakage current | <0.01 μA at 33 V - prevents power loss and signal offset in high-impedance sensor circuits |
| AEC-Q101 qualified option | Marking 'H' indicates qualification for automotive applications - supports PPAP and long-term reliability validation |
| Lead (Pb)-free, RoHS-compliant | Sn (e3) termination enables compatibility with automated optical inspection (AOI) and standard soldering processes |
Applications
| Automotive Infotainment Data Lines | Industrial Analog Sensor Interfaces |
|---|---|
|
Use Scenario: Protecting RS-485 or LIN bus lines in head unit or display control modules exposed to ESD during service or assembly. IC Role / Device Role / Timing Role: Unidirectional clamping diode array placed between transceiver I/O and connector, referenced to chassis ground. Use Value: Prevents latch-up or damage to transceivers by limiting transient voltage to ≤62.5 V while adding only 15 pF loading. |
Use Scenario: Safeguarding 4–20 mA current-loop sensor inputs in PLC analog input cards subjected to field ESD events. IC Role / Device Role / Timing Role: Front-end ESD suppressor on signal path prior to precision op-amp conditioning stage. Use Value: Maintains signal fidelity with <0.01 μA leakage at 33 V and avoids DC offset errors in high-gain front ends. |
| USB 2.0 Port Protection | Automotive Camera Serial Link (FPD-Link) |
|
Use Scenario: Shielding D+ and D- lines of USB 2.0 ports in telematics gateways against user-handling ESD. IC Role / Device Role / Timing Role: Dual-channel unidirectional clamp with common cathode to system ground, placed immediately at connector. Use Value: 15 pF capacitance ensures minimal eye diagram degradation at 480 Mbps while meeting ±15 kV IEC 61000-4-2. |
Use Scenario: Protecting FPD-Link III differential pairs in rear-view camera modules mounted on vehicle exteriors. IC Role / Device Role / Timing Role: Line-to-ground ESD clamp on each side of differential pair, leveraging low rdyn for fast transient suppression. Use Value: Clamps transients to <62.5 V without distorting high-frequency video signals due to controlled 12–18 pF capacitance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ33A | DO-214AC package, single-line, 33 V VRWM, 17.3 A IPPM, 300 W PPP, 350 pF CD | Higher power handling but 20× higher capacitance - unsuitable for high-speed data lines | Select SMAJ33A only for low-frequency power rail or discrete board-level protection where size and speed are secondary. |
| TPD2E001DRYR | SC-70 package, dual-line, 5 V VRWM, 12 pF CD, ±8 kV IEC 61000-4-2, not AEC-Q101 qualified | Lower voltage rating and ESD rating - limited to consumer-grade USB or I²C interfaces | Choose TPD2E001DRYR for cost-sensitive, non-automotive designs requiring ultra-low capacitance below 5 V operation. |
Compared with SMAJ33A and TPD2E001DRYR, the VESD33A2-03GHG3-08 uniquely balances 33 V working voltage, ±15 kV ESD immunity, 15 pF capacitance, and AEC-Q101 qualification in a 3-pin SOT-323 - making it the only viable option for automotive data-line protection requiring all four attributes simultaneously.
Availability
VESD33A2-03GHG3-08 is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial sensor nodes, USB 2.0 interfaces, and FPD-Link camera modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for VESD33A2-03GHG3-08 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, specializing in high-reliability diodes, MOSFETs, optoelectronics, and passive components for automotive, industrial, and computing markets.
The VESDxxA2-03G series was developed specifically for compact, high-voltage ESD protection in automotive and industrial data interfaces - emphasizing low capacitance, AEC-Q101 compliance, and robust transient clamping performance.
FAQ
What is the maximum continuous operating voltage for VESD33A2-03GHG3-08?
The VESD33A2-03GHG3-08 has a reverse stand-off voltage (VRWM) of 33 V, meaning it can continuously block up to 33 V DC without significant leakage. This rating is confirmed in the Electrical Characteristics table for VESD33A2-03G, where VR = 33 V at IR = 0.1 μA. Operation above this voltage risks premature conduction and thermal overstress.
Does VESD33A2-03GHG3-08 meet AEC-Q101 qualification?
Yes - the 'H' in VESD33A2-03GHG3-08 denotes AEC-Q101 qualification. The datasheet explicitly states "AEC-Q101 qualified available" and lists VESD33A2-03GHG3 in the ordering information table with 'H' as the environmental and quality code. This qualification covers stress tests including HTGB, AC-H3TRB, and temperature cycling.
What is the clamping voltage of VESD33A2-03GHG3-08 under ESD stress?
The VESD33A2-03GHG3-08 clamps to ≤62.5 V (maximum) when subjected to its rated peak pulse current of 1.6 A (8/20 μs waveform), as specified in the Absolute Maximum Ratings table. This value ensures downstream ICs with 65 V absolute maximum ratings remain within safe operating limits during IEC 61000-4-2 events.
Can VESD33A2-03GHG3-08 protect high-speed data lines like USB 2.0?
Yes - with a typical capacitance of 15 pF at 0 V and 1 MHz, the VESD33A2-03GHG3-08 introduces negligible signal distortion on USB 2.0 (480 Mbps) differential pairs. Its low dynamic resistance (3.6 Ω) and fast response enable effective transient suppression without compromising eye diagram integrity or jitter budget.
What is the pin configuration and grounding scheme of VESD33A2-03GHG3-08?
VESD33A2-03GHG3-08 uses a 3-pin SOT-323 package with Pin 1 and Pin 2 as anodes for two independent protection channels, and Pin 3 as the common cathode tied to system ground. This unidirectional, common-cathode architecture allows simultaneous protection of two signal lines referenced to the same ground plane - confirmed in the package pinout diagram and absolute maximum ratings test conditions.
VESD33A2-03GHG3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 33V (Max)
- Voltage - Breakdown (Min):
- 35.5V
- Voltage - Clamping (Max) @ Ipp:
- 62.5V
- Current - Peak Pulse (10/1000µs):
- 1.6A (8/20µs)
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 15pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
VESD33A2-03GHG3-08 FAQ
1.How can I place an order for VESD33A2-03GHG3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VESD33A2-03GHG3-08 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 VESD33A2-03GHG3-08 reliable?
The price and inventory of VESD33A2-03GHG3-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VESD33A2-03GHG3-08 is usually 5 days.
3.What payment methods are accepted for VESD33A2-03GHG3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VESD33A2-03GHG3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VESD33A2-03GHG3-08?
VESD33A2-03GHG3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VESD33A2-03GHG3-08 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 VESD33A2-03GHG3-08?
For technical support, including VESD33A2-03GHG3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VESD33A2-03GHG3-08 requirements.
6.How does Aetrix verify that VESD33A2-03GHG3-08 is sourced from the original manufacturer or authorized distributors?
All VESD33A2-03GHG3-08 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 VESD33A2-03GHG3-08 meets industry standards.
7.What is the process for return or replacement of VESD33A2-03GHG3-08?
All VESD33A2-03GHG3-08 units undergo pre-shipment inspection (PSI). If there is an issue with VESD33A2-03GHG3-08, 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 VESD33A2-03GHG3-08 part is unused and in its original packaging.
Return procedure for VESD33A2-03GHG3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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