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Vishay General Semiconductor - Diodes Division VGSOT15-G3-08
- Part No.:
- VGSOT15-G3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
VGSOT15-G3-08.pdf
- Description:
- TVS DIODE 15VWM 28.8VC SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:7,352
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Product details
Overview
VGSOT15-G3-08 from Vishay Semiconductors is a unidirectional single-line ESD protection diode in SOT-23 package, designed for data line protection with 15 V reverse stand-off voltage (VRWM), ±30 kV IEC 61000-4-2/ISO 10605 ESD immunity, and 450 W peak pulse power (8/20 μs). It serves as a transient voltage suppressor in USB 2.0, HDMI, and industrial sensor interfaces.
For engineers reviewing the VGSOT15-G3-08 datasheet, VGSOT15-G3-08 pinout, VGSOT15-G3-08 application, or VGSOT15-G3-08 equivalent, this page delivers verified electrical parameters, BiAs-mode clamping behavior, AEC-Q101 qualification status, SOT-23 footprint compatibility, and real-world ESD protection design implications - all specific to the VGSOT15-G3-08 variant.
Technical Context
The VGSOT15-G3-08 implements Bidirectional Asymmetrical (BiAs) protection mode: pin 1 grounded, pin 3 connected to signal line; reverse clamping occurs above VRWM = 15 V (VBR = 16.5–20 V), while forward clamping limits negative transients to VF ≤ 1.2 V at 1 A. Its 100–120 pF capacitance at 0 V bias enables low-distortion signal integrity in high-speed lines up to 480 Mbps.
This device operates across –55 °C to +150 °C junction temperature, meets AEC-Q101 stress requirements including HBM >8 kV, and features e3 Sn plating with MSL level 1 moisture sensitivity - enabling reflow compatibility up to 260 °C peak without baking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 15 V - maximum continuous reverse working voltage before conduction; sets upper limit for safe signal swing in protected line. |
| VBR (at 1 mA) | 16.5–20 V - breakdown threshold initiating reverse clamping; defines minimum overvoltage required to activate protection. |
| VC (at 15.5 A, 8/20 μs) | 23.5–28.8 V - clamped voltage during worst-case surge; determines maximum stress imposed on downstream IC. |
| Capacitance (0 V, 1 MHz) | 100–120 pF - signal-line loading effect; compatible with USB 2.0 (≤120 pF) and RS-485 (≤150 pF) standards. |
| PPPM (8/20 μs) | 450 W - peak transient energy handling capacity; supports IEC 61000-4-5 Level 3 (1 kV) surge immunity. |
| ESD immunity | ±30 kV contact/air discharge (IEC 61000-4-2 & ISO 10605) - exceeds Level 4 system-level ESD robustness requirement. |
| Operating temperature | –55 °C to +150 °C - qualified for under-hood automotive and industrial environments per AEC-Q101. |
Pinout & Package
SOT-23 package: 3-pin, surface-mount, gull-wing leads; 2.9 mm × 1.3 mm × 1.01 mm body; 0.95 mm lead pitch; RoHS-compliant e3 Sn terminations; MSL level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Ground (cathode connection) | Low-inductance return path for ESD current; must be tied directly to system ground plane with minimal trace length. |
| Pin 2 | No connection (NC) | Internally isolated; no electrical function; must remain unconnected on PCB. |
| Pin 3 | Protected signal line (anode) | Input/output node for data line; placed in series between connector and IC; clamps transients to ground via Pin 1. |
Key Features
| Feature | Design Value |
|---|---|
| BiAs-mode clamping | Asymmetric forward (VF ≤ 1.2 V) and reverse (VC ≤ 28.8 V) clamping enables precise protection of unidirectional signal paths without DC blocking. |
| AEC-Q101 qualification | Qualified for automotive applications including engine control modules and infotainment interfaces requiring HBM >8 kV and extended temperature operation. |
| e3 Sn plating | Lead (Pb)-free, matte tin termination compliant with JEDEC J-STD-020; supports Pb-free reflow profiles up to 260 °C peak. |
| Low leakage current | IR ≤ 1 μA at VR = 15 V - minimizes standby power loss and prevents false triggering in battery-powered sensor nodes. |
| UL 94 V-0 molding compound | Flame-retardant epoxy package material certified to UL 94 V-0; satisfies safety requirements for industrial and transportation equipment. |
Applications
| USB 2.0 Data Lines | HDMI TMDS Channels |
|---|---|
Use Scenario: Protecting D+ and D– lines in USB 2.0 host/device ports against ESD events during hot-plug insertion. IC Role / Device Role / Timing Role: Standalone transient voltage suppressor placed between USB connector and PHY IC. Use Value: 100–120 pF capacitance preserves signal rise/fall times; ±30 kV ESD rating exceeds IEC 61000-4-2 Level 4 compliance. |
Use Scenario: Shielding HDMI TMDS differential pairs from electrostatic discharge during cable mating in AV receivers and displays. IC Role / Device Role / Timing Role: Unidirectional clamp on each TMDS+/- line, referenced to common ground. Use Value: Low clamping voltage (VC ≤ 28.8 V) prevents damage to 3.3 V HDMI receiver inputs; SOT-23 footprint fits tight board spacing. |
| Automotive Sensor Interfaces | Industrial RS-485 Nodes |
Use Scenario: Safeguarding LIN bus or analog sensor outputs (e.g., pressure, temperature) in engine bay modules exposed to harsh ESD environments. IC Role / Device Role / Timing Role: Point-of-entry protection on signal lines entering AEC-Q101-qualified ECUs. Use Value: –55 °C to +150 °C operating range and AEC-Q101 qualification ensure reliability in under-hood conditions. |
Use Scenario: Adding secondary ESD hardening to RS-485 transceivers in factory automation controllers subjected to frequent operator contact. IC Role / Device Role / Timing Role: Low-capacitance shunt protector on A/B differential lines, grounded via chassis. Use Value: 450 W peak power rating handles multiple 8/20 μs surges; 15 V VRWM aligns with standard RS-485 common-mode range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ15A | DO-214AC package; higher VRWM (15 V) but larger 5.3 mm × 2.7 mm footprint; 400 W PPPM (8/20 μs); bidirectional. | Requires PCB layout change; suited for lower-frequency, higher-power industrial surge scenarios where space permits. | Select SMAJ15A only if SOT-23 footprint is unavailable and board area allows DO-214AC placement. |
| TPD2E001DRYR | 2-channel, 0.8 pF per line, 5 V VRWM, SC-70 package; integrated dual-diode array with ultra-low capacitance. | Designed for high-speed USB 3.0/MIPI; not suitable for 15 V signal rails due to lower VRWM and non-replaceable channel count. | Choose TPD2E001DRYR only when protecting sub-5 V differential pairs requiring <1 pF loading; not a functional substitute for VGSOT15-G3-08. |
Compared with SMAJ15A and TPD2E001DRYR, the VGSOT15-G3-08 uniquely balances 15 V VRWM, SOT-23 compactness, ±30 kV ESD rating, and AEC-Q101 qualification - making it the optimal choice for space-constrained automotive and industrial data line protection where unidirectional clamping and thermal robustness are critical.
Availability
VGSOT15-G3-08 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive sensor signal conditioning, and industrial RS-485 node hardening requiring stable component supply, long-term lifecycle support, and AEC-Q101-qualified reliability.
Supply support for VGSOT15-G3-08 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 Intertechnology is a global semiconductor manufacturer specializing in discrete components, passive elements, and sensors, with leadership in ESD protection, power management, and automotive-grade reliability.
The VGSOTxx family was developed specifically for high-reliability unidirectional ESD suppression in automotive, industrial, and consumer data interfaces - emphasizing low capacitance, precise clamping, and AEC-Q101 qualification.
FAQ
What is the maximum reverse working voltage (VRWM) of the VGSOT15-G3-08?
The VGSOT15-G3-08 has a VRWM of 15 V, meaning it reliably blocks voltages up to this level in normal operation without conducting. This value is confirmed in the Electrical Characteristics table for VGSOT15 on page 7 of Vishay document 86326, and ensures compatibility with 12–15 V signal rails in automotive and industrial systems.
Does the VGSOT15-G3-08 meet AEC-Q101 qualification?
Yes, the VGSOT15-G3-08 is AEC-Q101 qualified, as explicitly stated in the FEATURES section (page 1) and PACKAGE DATA table (page 2) of Vishay document 86326. This qualification covers stress tests including human body model (HBM) >8 kV and operation from –55 °C to +150 °C, confirming suitability for automotive electronics.
What is the clamping voltage (VC) of the VGSOT15-G3-08 under a 15.5 A 8/20 μs surge?
Under a 15.5 A 8/20 μs surge, the VGSOT15-G3-08 exhibits a reverse clamping voltage (VC) of 23.5–28.8 V, per the ELECTRICAL CHARACTERISTICS table on page 7 of Vishay document 86326. This defines the maximum voltage seen by downstream circuitry during worst-case transient events.
How does the BiAs-mode operation affect circuit design for the VGSOT15-G3-08?
BiAs-mode requires correct orientation: Pin 1 to ground, Pin 3 to signal line. It provides asymmetric clamping - low forward VF (~1.2 V) for negative transients and controlled reverse VC (≤28.8 V) for positive surges - enabling precise protection without DC blocking or signal inversion, unlike bidirectional TVS devices.
Is the VGSOT15-G3-08 compatible with lead-free reflow soldering processes?
Yes, the VGSOT15-G3-08 uses e3 matte tin terminations and is rated for peak reflow temperatures up to 260 °C (MSL level 1 per J-STD-020), as documented in the PACKAGE DATA table on page 2 of Vishay document 86326. No pre-baking is required prior to standard Pb-free reflow assembly.
VGSOT15-G3-08 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 15V (Max)
- Voltage - Breakdown (Min):
- 16.5V
- Voltage - Clamping (Max) @ Ipp:
- 28.8V
- Current - Peak Pulse (10/1000µs):
- 15.5A (8/20µs)
- Power - Peak Pulse:
- 450W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 100pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
VGSOT15-G3-08 FAQ
1.How can I place an order for VGSOT15-G3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VGSOT15-G3-08 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 VGSOT15-G3-08 reliable?
The price and inventory of VGSOT15-G3-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VGSOT15-G3-08 is usually 5 days.
3.What payment methods are accepted for VGSOT15-G3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VGSOT15-G3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VGSOT15-G3-08?
VGSOT15-G3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VGSOT15-G3-08 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 VGSOT15-G3-08?
For technical support, including VGSOT15-G3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VGSOT15-G3-08 requirements.
6.How does Aetrix verify that VGSOT15-G3-08 is sourced from the original manufacturer or authorized distributors?
All VGSOT15-G3-08 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 VGSOT15-G3-08 meets industry standards.
7.What is the process for return or replacement of VGSOT15-G3-08?
All VGSOT15-G3-08 units undergo pre-shipment inspection (PSI). If there is an issue with VGSOT15-G3-08, 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 VGSOT15-G3-08 part is unused and in its original packaging.
Return procedure for VGSOT15-G3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VGSOT15-G3-08 Tags
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