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Vishay General Semiconductor - Diodes Division GSOT08C-HT3-GS08
- Part No.:
- GSOT08C-HT3-GS08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- 3-WDFN
- Datasheet:
-
GSOT08C-HT3-GS08.pdf
- Description:
- TVS DIODE 8VWM 19.2VC LLP75-3B
- Quantity:
- Payment:
- Shipping:
Inventory:5,090
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Product details
Overview
GSOT08C-HT3-GS08 from Vishay Semiconductors is a two-line bidirectional asymmetrical (BiAs) ESD protection diode in LLP75-3B package, rated for ±30 kV IEC 61000-4-2 contact/air discharge, 8 V reverse standoff voltage, and 18 A peak pulse current (8/20 µs), deployed on high-speed data lines such as USB 2.0 or HDMI interfaces.
For engineers reviewing the GSOT08C-HT3-GS08 datasheet, GSOT08C-HT3-GS08 pinout, GSOT08C-HT3-GS08 application, or GSOT08C-HT3-GS08 equivalent, key selection criteria include clamping voltage at 18 A (15.2–19.2 V), low 160–250 pF capacitance at 0 V bias, BiAs/BiSy dual-mode operation, and LLP75-3B footprint compatibility with space-constrained PCB layouts.
Technical Context
The GSOT08C-HT3-GS08 implements a dual-diode architecture enabling two distinct protection modes: BiAs mode (pins 1–3 and 2–3 to ground) for asymmetric clamping of data lines, and BiSy mode (pins 1–2, pin 3 floating) for symmetrical bipolar clamping of single-ended signals. Its internal structure delivers forward clamping near 1 V and reverse clamping defined by VBR + series impedance drop.
Designed for transient suppression per IEC 61000-4-5 (8/20 µs), it achieves 345 W peak pulse power (pin 1–3) and 400 W (pin 1–2), with MSL level 1 soldering compatibility (260 °C/10 s) and UL 94 V-0 molding compound - supporting reflow assembly in automotive and industrial control modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD immunity | ±30 kV contact/air discharge (IEC 61000-4-2); ensures robust handling during board assembly and end-user operation. |
| Reverse standoff voltage (VRWM) | 8 V at IR = 5 µA; defines maximum continuous DC operating voltage before leakage rises significantly. |
| Peak pulse current (IPPM) | 18 A (8/20 µs, pin 1–3 or 2–3); supports surge events per IEC 61000-4-5 without failure. |
| Clamping voltage (VC) | 15.2–19.2 V at IPPM = 18 A (BiAs mode); limits transient voltage seen by downstream ICs during ESD strike. |
| Diode capacitance (CD) | 160–250 pF at VR = 0 V, 1 MHz; low enough for <12 Mbps USB 2.0 or 720p HDMI signal integrity. |
| Operating temperature | −40 °C to +125 °C junction range; suitable for under-hood automotive and industrial ambient environments. |
| Package | LLP75-3B (3-pin leadless plastic); 1.2 × 1.6 × 0.55 mm footprint enables dense routing on compact PCBs. |
Pinout & Package
GSOT08C-HT3-GS08 uses the LLP75-3B surface-mount package: 3-terminal, leadless, bottom-terminated, with pin 1 marked by a dot. The device supports two protection configurations via pin assignment.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Line 1 anode/cathode | Connected to first protected signal line (L1); forms one half of BiAs protection path to pin 3. |
| Pin 2 | Line 2 anode/cathode | Connected to second protected signal line (L2); forms second half of BiAs protection path to pin 3. |
| Pin 3 | Ground reference | Must be connected to system ground in BiAs mode; left unconnected in BiSy mode (pins 1–2 only). |
Key Features
| Feature | Design Value |
|---|---|
| Two-line BiAs protection | Enables independent ESD suppression on two data lines sharing one ground return, reducing component count vs. discrete diodes. |
| Dual-mode operation (BiAs/BiSy) | Configurable as either two-line asymmetric (BiAs) or one-line symmetrical (BiSy) protector via pin 3 connection - increases design reuse. |
| Low clamping VF | Forward clamping ≤3.0 V at 18 A ensures minimal voltage overshoot during negative transients, protecting CMOS inputs. |
| e3 matte tin finish | Lead-free, RoHS-compliant terminal plating compatible with standard SnPb and Pb-free reflow profiles. |
| MSL level 1 rating | Unlimited floor life and 260 °C/10 s reflow tolerance eliminate baking requirements and simplify SMT manufacturing. |
Applications
| USB 2.0 Interface Protection | HDMI Data Lane Protection |
|---|---|
Use Scenario: Protecting D+ and D− differential pair in portable USB host/device ports against ESD events during cable insertion or handling. IC Role / Device Role / Timing Role: Two-line ESD clamp placed immediately after connector, shunting transients to chassis ground before reaching USB transceiver. Use Value: 160–250 pF capacitance avoids signal rise-time degradation; 15.2–19.2 V clamping prevents damage to 3.3 V tolerant PHY circuitry. |
Use Scenario: Safeguarding TMDS data channels (0/1/2) in HDMI source/sink devices against user-induced ESD on external cables. IC Role / Device Role / Timing Role: BiAs-mode protector applied per channel, with pin 3 grounded and pins 1/2 tied to TMDS+ and TMDS−. Use Value: Asymmetric clamping preserves DC common-mode level while limiting peak transient voltage to <20 V, maintaining eye diagram integrity. |
| Automotive Infotainment Display Link | Industrial RS-485 Transceiver Port |
Use Scenario: Shielding LVDS or FPD-Link II video bus between head unit and display in automotive dashboards exposed to high ESD stress. IC Role / Device Role / Timing Role: Dual-line protector on each differential pair, leveraging BiAs mode to maintain signal symmetry and minimize skew. Use Value: −40 °C to +125 °C operation meets AEC-Q200 ambient requirements; 8 V VRWM aligns with 7–9 V supply rails in infotainment systems. |
Use Scenario: Hardening RS-485 driver/receiver terminals in factory automation nodes where long cable runs attract lightning-induced surges. IC Role / Device Role / Timing Role: BiSy-mode configuration (pins 1–2 active, pin 3 open) provides symmetrical ±18.5–22.2 V clamping on A/B lines. Use Value: 125 pF max capacitance at 4 V bias avoids data rate limitation at 20 Mbps; 18 A IPPM exceeds IEC 61000-4-5 Level 4 requirement. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | Single-channel, 1.5-pF typical capacitance; lower 12-V VRWM; 4-kV HBM rating only. | Targeted at ultra-high-speed interfaces (USB 3.0, PCIe); insufficient for 8/20 µs surge compliance. | Select when lowest possible capacitance is critical and IEC 61000-4-5 surge immunity is not required. |
| SP1001-01UTG | 3-pin SOD-323 package; 12-V VRWM; 15-A IPPM; 110-pF capacitance; ±30-kV ESD rating. | Same BiAs functionality but larger footprint; higher VRWM suits 12-V industrial buses. | Choose when board layout allows SOD-323 and higher standoff voltage is needed for 12-V signal domains. |
Compared with TPD2E001DRYR and SP1001-01UTG, the GSOT08C-HT3-GS08 uniquely balances 8-V VRWM, 18-A surge capability, and sub-250-pF capacitance in a 1.2 × 1.6 mm LLP75-3B package - making it optimal for space-constrained 3.3 V/5 V data interfaces requiring full IEC 61000-4-2/4-5 compliance.
Availability
GSOT08C-HT3-GS08 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI data lane hardening, and automotive infotainment display links requiring stable component supply across production lifecycles.
Supply support for GSOT08C-HT3-GS08 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 designs and manufactures discrete semiconductors including diodes, MOSFETs, and ESD protection devices, with global manufacturing and quality certifications aligned to automotive and industrial standards.
The GSOTxxC-HT3 family was developed specifically for high-density, low-capacitance ESD protection of high-speed serial interfaces - emphasizing BiAs/BiSy configurability, MSL level 1 reliability, and RoHS-compliant packaging for modern electronics.
FAQ
What protection modes does the GSOT08C-HT3-GS08 support?
The GSOT08C-HT3-GS08 supports two distinct ESD protection configurations: BiAs (bidirectional asymmetrical) mode with pin 3 grounded for two-line protection, and BiSy (bidirectional symmetrical) mode with pin 3 unconnected for single-line protection. Both modes are validated per IEC 61000-4-2 and IEC 61000-4-5, and the GSOT08C-HT3-GS08 datasheet specifies separate electrical characteristics for each mode including clamping voltage and capacitance.
What is the maximum clamping voltage of the GSOT08C-HT3-GS08 under full-rated surge current?
In BiAs mode (pins 1–3 or 2–3), the GSOT08C-HT3-GS08 exhibits a reverse clamping voltage of 15.2–19.2 V at 18 A peak pulse current (8/20 µs). In BiSy mode (pins 1–2), clamping rises to 18.5–22.2 V at the same current. These values are measured per IEC 61000-4-5 and define the maximum transient voltage transferred to protected ICs during worst-case surge events.
Can the GSOT08C-HT3-GS08 be used in automotive applications?
Yes - the GSOT08C-HT3-GS08 operates from −40 °C to +125 °C junction temperature and is qualified to MSL level 1 per J-STD-020, making it suitable for under-dash and infotainment applications. While not AEC-Q200 certified as a standalone component, its thermal, surge, and ESD performance aligns with automotive subsystem requirements when validated within the full system context.
How does the capacitance of the GSOT08C-HT3-GS08 vary with applied voltage?
The GSOT08C-HT3-GS08 capacitance decreases with increasing reverse bias: 160–250 pF at 0 V, dropping to 80 pF at 4 V in BiAs mode. This voltage-dependent behavior minimizes signal distortion on biased data lines and is explicitly characterized in the GSOT08C-HT3-GS08 datasheet's Electrical Characteristics table for both BiAs and BiSy configurations.
Is the GSOT08C-HT3-GS08 lead-free and RoHS compliant?
Yes - the GSOT08C-HT3-GS08 features e3 matte tin (Sn) lead finish, complies with RoHS Directive 2002/95/EC and WEEE 2002/96/EC, and uses UL 94 V-0 flammability-rated molding compound. Its lead-free construction and green material content are confirmed in the official Vishay documentation (Document Number 85825, Rev. 1.7).
GSOT08C-HT3-GS08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- 3-WDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8V (Min)
- Voltage - Breakdown (Min):
- 9V
- Voltage - Clamping (Max) @ Ipp:
- 19.2V
- Current - Peak Pulse (10/1000µs):
- 18A (8/20µs)
- Power - Peak Pulse:
- 345W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 160pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- LLP75-3B
GSOT08C-HT3-GS08 FAQ
1.How can I place an order for GSOT08C-HT3-GS08 through Aetrix?
Please submit a Request for Quotation (RFQ) for GSOT08C-HT3-GS08 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 GSOT08C-HT3-GS08 reliable?
The price and inventory of GSOT08C-HT3-GS08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for GSOT08C-HT3-GS08 is usually 5 days.
3.What payment methods are accepted for GSOT08C-HT3-GS08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for GSOT08C-HT3-GS08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for GSOT08C-HT3-GS08?
GSOT08C-HT3-GS08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your GSOT08C-HT3-GS08 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 GSOT08C-HT3-GS08?
For technical support, including GSOT08C-HT3-GS08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your GSOT08C-HT3-GS08 requirements.
6.How does Aetrix verify that GSOT08C-HT3-GS08 is sourced from the original manufacturer or authorized distributors?
All GSOT08C-HT3-GS08 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 GSOT08C-HT3-GS08 meets industry standards.
7.What is the process for return or replacement of GSOT08C-HT3-GS08?
All GSOT08C-HT3-GS08 units undergo pre-shipment inspection (PSI). If there is an issue with GSOT08C-HT3-GS08, 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 GSOT08C-HT3-GS08 part is unused and in its original packaging.
Return procedure for GSOT08C-HT3-GS08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
GSOT08C-HT3-GS08 Tags
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