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Vishay General Semiconductor - Diodes Division VGSOT05C-G3-18
- Part No.:
- VGSOT05C-G3-18
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
VGSOT05C-G3-18.pdf
- Description:
- TVS DIODE 5VWM 16VC SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:6,161
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Product details
Overview
VGSOT05C-G3-18 from Vishay Semiconductors is a two-line unidirectional ESD protection diode in SOT-23 package, featuring common-anode dual-channel configuration, 5 V maximum reverse working voltage (VRWM), ±30 kV IEC 61000-4-2 ESD immunity, and 500 W peak pulse power (8/20 μs). It protects high-speed data lines such as USB 2.0 and HDMI interfaces against electrostatic discharge.
For engineers reviewing the VGSOT05C-G3-18 datasheet, VGSOT05C-G3-18 pinout, VGSOT05C-G3-18 application, or VGSOT05C-G3-18 equivalent, key selection criteria include VRWM = 5 V, clamping voltage ≤14 V at 36 A, bidirectional asymmetrical (BiAs) operation mode, low leakage (≤10 μA), and AEC-Q101 qualification for automotive use.
Technical Context
The VGSOT05C-G3-18 implements a dual-diode common-anode topology enabling simultaneous protection of two signal lines (L1/L2) referenced to ground (pin 3). Its BiAs-MODE operation provides asymmetric clamping: forward conduction (VF ≈ 1.2 V) for negative transients and reverse breakdown (VBR = 6–8 V) for positive transients, resulting in distinct positive/negative clamping thresholds.
It supports both BiAs-MODE (two-line, pin 3 grounded) and BiSy-MODE (single-line, pin 3 floating), with verified 138–175 pF capacitance at 0 V bias in BiSy configuration-critical for preserving signal integrity in 480 Mbps USB 2.0 applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 5 V - Maximum continuous reverse voltage before leakage exceeds 10 μA; sets upper limit for protected line operating voltage. |
| VBR (min/typ/max) | 6 / 6.8 / 8 V - Reverse breakdown threshold at 1 mA; defines onset of clamping for positive ESD events. |
| VC @ IPPM | ≤14 V at 36 A (8/20 μs) - Peak clamping voltage during worst-case surge; ensures downstream ICs see <14 V stress. |
| PPP (8/20 μs) | 500 W - Peak pulse power handling; enables robust protection against IEC 61000-4-5 surges. |
| ESD immunity | ±30 kV contact/air (IEC 61000-4-2 & ISO 10605) - Meets highest industrial and automotive ESD immunity requirements. |
| Capacitance (BiSy) | 138–175 pF @ 0 V - Low enough for USB 2.0 (480 Mbps) eye diagram compliance without signal degradation. |
| AEC-Q101 qualified | Yes - Validated for automotive underhood and infotainment applications per stress test requirements. |
Pinout & Package
SOT-23 package (JEDEC TO-236AB), 3-pin, surface-mount, green molding compound, MSL level 1, 9.2 mg weight, UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode of Diode 1 | Connects to first protected signal line (L1) in BiAs mode; or to signal line (L1) in BiSy mode with pin 2 grounded. |
| Pin 2 | Anode of Diode 2 | Connects to second protected signal line (L2) in BiAs mode; or to ground in BiSy mode (pin 3 open). |
| Pin 3 | Common Cathode | Must be connected to system ground in BiAs mode; left unconnected (floating) in BiSy mode. |
Key Features
| Feature | Design Value |
|---|---|
| Two-line unidirectional ESD protection | Simultaneously safeguards two independent data lines (e.g., D+ and D−) with shared ground return, reducing component count vs. discrete diodes. |
| Bidirectional Asymmetrical (BiAs) operation | Clamps negative transients near 0 V (VF ≈ 1.2 V) and positive transients at ~11–14 V (VC), optimizing protection for asymmetric signal swings like RS-485. |
| Low reverse leakage | ≤10 μA at VR = 5 V - Minimizes DC loading on sensitive analog or low-power sensor interfaces. |
| High ESD immunity | ±30 kV per IEC 61000-4-2 - Exceeds Level 4 immunity standard, suitable for handheld and exposed connector applications. |
| AEC-Q101 qualification | Qualified for automotive use including HBM >8 kV - Enables deployment in ADAS camera links and infotainment USB ports. |
Applications
| USB 2.0 Interface Protection | HDMI Data Line Protection |
|---|---|
Use Scenario: Protecting D+ and D− lines of a USB 2.0 host port from ESD events during cable insertion or user handling. IC Role / Device Role / Timing Role: Two-line unidirectional ESD clamp with common cathode (pin 3 → GND), operating in BiAs-MODE. Use Value: 138–175 pF capacitance preserves 480 Mbps signal integrity; 14 V clamping prevents damage to USB transceivers rated for 3.3 V I/O. | Use Scenario: Safeguarding TMDS clock and data pairs in HDMI 1.4 source devices against contact discharge at external connectors. IC Role / Device Role / Timing Role: Dual-channel ESD suppressor placed immediately after HDMI receptacle, with pins 1/2 → TMDS± and pin 3 → chassis ground. Use Value: ±30 kV ESD immunity meets IEC 61000-4-2 Level 4; 500 W surge rating handles transient coupling from adjacent power traces. |
| Automotive Infotainment USB Port | Industrial RS-485 Transceiver Protection |
Use Scenario: ESD hardening of front-panel USB ports in vehicle head units exposed to dry-climate static discharge. IC Role / Device Role / Timing Role: AEC-Q101-qualified dual-line protector in BiAs configuration, mounted within 2 mm of USB connector. Use Value: Qualified operation from −55 °C to +150 °C junction temperature; low 10 μA leakage avoids battery drain in always-on systems. | Use Scenario: Protecting differential RS-485 bus lines (A/B) in factory automation controllers subjected to cable-induced surges. IC Role / Device Role / Timing Role: Common-cathode dual diode clamp where pin 1 → A, pin 2 → B, pin 3 → signal ground-leveraging BiAs asymmetry for rail-to-rail clamping. Use Value: 11–14 V clamping at 36 A limits transceiver stress below absolute maximum ratings; 5 V VRWM aligns with 3.3 V or 5 V logic supply rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMA6J5.0A | Single-line, 5.0 V VRWM, DO-214AC package, 600 W PPP, higher capacitance (≈400 pF) | Requires two devices for dual-line protection; unsuitable for space-constrained USB layouts | Select when board area permits discrete placement and BiSy single-line operation suffices. |
| TPD2E001DRSR | Two-line, 5.5 V VRWM, SOT-23, 3.5 pF typical capacitance, lower PPP (120 W) | Optimized for high-speed USB 3.0/PCIe; insufficient for IEC 61000-4-5 surge immunity | Select only for ESD-only (not surge) scenarios requiring ultra-low capacitance; not drop-in for 500 W surge needs. |
Compared with SMA6J5.0A and TPD2E001DRSR, the VGSOT05C-G3-18 uniquely delivers dual-line protection, 500 W surge capability, and AEC-Q101 qualification in a single SOT-23 footprint-enabling compact, automotive-grade USB and RS-485 interface hardening without layout redesign.
Availability
VGSOT05C-G3-18 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive infotainment systems, and industrial RS-485 communication modules requiring stable component supply across production lifecycles.
Supply support for VGSOT05C-G3-18 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 VGSOTxxC family was designed specifically for compact, high-performance ESD protection of high-speed serial interfaces-including USB, HDMI, and RS-485-with emphasis on low capacitance, AEC-Q101 qualification, and dual-line integration.
FAQ
What is the maximum reverse working voltage (VRWM) of the VGSOT05C-G3-18?
The VGSOT05C-G3-18 has a maximum reverse working voltage (VRWM) of 5 V, specified at IR ≤ 10 μA. This value defines the highest continuous DC or peak AC voltage the device can withstand in reverse bias without significant leakage, making it suitable for protecting 3.3 V and 5 V logic interfaces while maintaining low standby current.
How does the VGSOT05C-G3-18 support bidirectional ESD protection in a two-line configuration?
The VGSOT05C-G3-18 achieves bidirectional protection in two-line (BiAs-MODE) configuration by connecting pin 3 to ground and pins 1 and 2 to separate signal lines (L1/L2). Positive transients on either line trigger reverse breakdown (VBR = 6–8 V); negative transients conduct forward through the respective diode (VF ≈ 1.2 V), clamping near ground-delivering asymmetrical but fully bidirectional protection.
Is the VGSOT05C-G3-18 qualified for automotive applications?
Yes, the VGSOT05C-G3-18 is AEC-Q101 qualified, having passed stress tests including human body model (HBM) >8 kV and extended temperature cycling (−55 °C to +150 °C). This qualification confirms its suitability for automotive infotainment, ADAS camera links, and body control modules where reliability under harsh environmental conditions is mandatory.
What is the clamping voltage of the VGSOT05C-G3-18 under a 36 A, 8/20 μs surge?
Under a 36 A, 8/20 μs peak pulse current (IPPM), the VGSOT05C-G3-18 exhibits a maximum reverse clamping voltage (VC) of 14 V. This value-measured per IEC 61000-4-5-is critical for ensuring downstream transceivers remain within safe operating voltage limits during surge events.
Can the VGSOT05C-G3-18 be used for single-line bidirectional protection?
Yes, the VGSOT05C-G3-18 supports single-line bidirectional (BiSy-MODE) protection by connecting pin 1 to the signal line and pin 2 to ground (with pin 3 unconnected). In this mode, it delivers symmetrical clamping with VRWM = 5.5 V and capacitance reduced to 138–175 pF, making it appropriate for USB 2.0 or CAN FD data lines requiring balanced transient suppression.
VGSOT05C-G3-18 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):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 14V
- Current - Peak Pulse (10/1000µs):
- 36A (8/20µs)
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 276pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
VGSOT05C-G3-18 FAQ
1.How can I place an order for VGSOT05C-G3-18 through Aetrix?
Please submit a Request for Quotation (RFQ) for VGSOT05C-G3-18 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 VGSOT05C-G3-18 reliable?
The price and inventory of VGSOT05C-G3-18 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VGSOT05C-G3-18 is usually 5 days.
3.What payment methods are accepted for VGSOT05C-G3-18?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VGSOT05C-G3-18 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VGSOT05C-G3-18?
VGSOT05C-G3-18 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VGSOT05C-G3-18 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 VGSOT05C-G3-18?
For technical support, including VGSOT05C-G3-18 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VGSOT05C-G3-18 requirements.
6.How does Aetrix verify that VGSOT05C-G3-18 is sourced from the original manufacturer or authorized distributors?
All VGSOT05C-G3-18 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 VGSOT05C-G3-18 meets industry standards.
7.What is the process for return or replacement of VGSOT05C-G3-18?
All VGSOT05C-G3-18 units undergo pre-shipment inspection (PSI). If there is an issue with VGSOT05C-G3-18, 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 VGSOT05C-G3-18 part is unused and in its original packaging.
Return procedure for VGSOT05C-G3-18:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VGSOT05C-G3-18 Tags
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