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Vishay General Semiconductor - Diodes Division VTVS9V4GSMF-M3-08
- Part No.:
- VTVS9V4GSMF-M3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
VTVS9V4GSMF-M3-08.pdf
- Description:
- TVS DIODE 9.4VWM 14.9VC DO219AB
- Quantity:
- Payment:
- Shipping:
Inventory:4,860
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Product details
Overview
VTVS9V4GSMF-M3-08 from Vishay Semiconductors is a unidirectional 400 W TransZorb® transient voltage suppressor diode in SMF (DO-219AB) package, designed for ESD and surge protection of low-voltage DC lines such as USB, HDMI, and automotive sensor interfaces. It features 9.4 V stand-off voltage, 10.83–11.28 V reverse breakdown at 1 mA, 14.9 V max clamping voltage at 26.23 A peak pulse current, and ±30 kV IEC 61000-4-2 contact/air discharge immunity.
For engineers reviewing the VTVS9V4GSMF-M3-08 datasheet, VTVS9V4GSMF-M3-08 pinout, VTVS9V4GSMF-M3-08 application, or VTVS9V4GSMF-M3-08 equivalent, this device delivers precise 2 % VBR tolerance, halogen-free construction, AEC-Q101 qualification readiness, and compatibility with SOD-123W footprint for space-constrained board-level protection.
Technical Context
This TVS diode operates as a unidirectional avalanche clamp, triggered when reverse voltage exceeds its 9.4 V working threshold. Its 14.9 V clamping voltage at 26.23 A (10/1000 μs) ensures robust overvoltage suppression while limiting downstream stress on protected ICs like USB transceivers or CAN controllers.
The SMF package enables wave and reflow soldering with MSL level 1 moisture sensitivity and 260 °C peak reflow tolerance. With 1.08 mm height and 3.9 × 1.9 mm footprint, it supports high-density routing in automotive infotainment and industrial I/O modules where thermal resistance to lead (RthJL) is 20 K/W.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VRWM) | 9.4 V - Maximum continuous reverse operating voltage before conduction begins |
| Breakdown Voltage (VBR) | 10.83–11.28 V at 1 mA - Tight ±2 % tolerance ensures predictable turn-on across temperature |
| Clamping Voltage (VC) | 14.9 V at 26.23 A (10/1000 μs) - Limits transient energy delivered to protected circuitry |
| Peak Pulse Power (PPPM) | 400 W - Sustains high-energy surges per IEC 61000-4-5 Level 4 without degradation |
| ESD Immunity | ±30 kV contact / ±30 kV air per IEC 61000-4-2 - Meets automotive and industrial ESD hardening requirements |
| Junction Temperature Range | −55 °C to +175 °C - Supports under-hood and industrial ambient operation |
| Capacitance (CD) | 1130 pF at 0 V, 1 MHz - Low enough for USB 2.0 signal integrity; not suitable for >480 Mbps interfaces |
Pinout & Package
Package: SMF (DO-219AB), low-profile surface-mount case compatible with SOD-123W footprint; dimensions 3.9 mm × 1.9 mm × 1.08 mm; cathode marked by bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Input side of protected line | Connected to signal or power rail requiring surge suppression; referenced to system ground via cathode |
| Cathode (Pin 2) | Ground reference terminal | Must be routed to low-impedance system ground plane to ensure effective clamping and minimize ground bounce |
Key Features
| Feature | Design Value |
|---|---|
| ±2 % VBR tolerance | Enables tighter design margins than ±5 % variants, reducing overdesign in precision voltage-rail protection |
| "Low-Noise" fast response | Sub-nanosecond turn-on ensures clamping occurs before sensitive logic or analog inputs are overstressed |
| AEC-Q101 qualification option | Supports automotive-grade reliability requirements including temperature cycling, HTRB, and ESD stress testing |
| Halogen-free & RoHS-compliant | Meets EU Directive 2011/65/EU and JESD201 Class 2 whisker resistance for long-term solder joint integrity |
| Reflow/wave solder compatible | Rated for peak reflow up to 260 °C and standard wave profiles-no special process required |
Applications
| USB 2.0 Data Lines | Automotive Sensor Inputs |
|---|---|
|
Use Scenario: Protecting D+ and D− lines in automotive USB host ports against ESD events during plug insertion. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between data line and chassis ground to shunt transients before reaching USB PHY. Use Value: 1130 pF capacitance avoids signal integrity degradation at 480 Mbps; ±30 kV ESD rating exceeds ISO 10605 requirements. |
Use Scenario: Safeguarding analog outputs of pressure or temperature sensors in engine control units exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Standoff-clamp TVS connected across sensor output and ground to limit voltage excursion during 10/1000 μs surges. Use Value: 14.9 V clamping holds output within ADC input range; 175 °C max junction temperature supports under-hood placement. |
| Industrial RS-485 Transceivers | DC Power Input Rails (5–12 V) |
|
Use Scenario: Protecting half-duplex RS-485 bus nodes in factory automation systems subject to lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: Bidirectional protection implemented using two VTVS9V4GSMF-M3-08 devices (anode-to-line, cathode-to-ground) per differential pair. Use Value: 400 W peak power handles 1 kV/100 Ω surge per IEC 61000-4-5; low leakage (<0.1 μA) prevents bias shift on termination resistors. |
Use Scenario: Guarding 9 V supply rails feeding microcontrollers and communication ICs in smart meters and PLCs. IC Role / Device Role / Timing Role: Primary overvoltage clamp placed between input capacitor and regulator input to absorb switching transients and EFT bursts. Use Value: 9.4 V VRWM allows safe operation across 9 V nominal ±10 % variation; 20 K/W RthJL enables direct PCB copper pour heatsinking. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ9.0A | ±5 % VBR, 9.0 V VRWM, 14.4 V VC at 27.8 A, SMA package (larger, 4.5 mm × 2.7 mm) | Higher leakage (5 μA vs. 0.1 μA), less precise VRWM alignment for 9 V rails | Select when cost priority outweighs footprint and tolerance; verify layout clearance for larger SMA body |
| TPSMD9.0A | ±5 % VBR, 9.0 V VRWM, 14.4 V VC at 27.8 A, SMD package identical to SMF but non-AEC-Q101 rated | No AEC-Q101 qualification path; same electrical specs but lower automotive reliability assurance | Choose for industrial or consumer use where AEC-Q101 is not mandated; identical footprint drop-in replacement |
Compared with SMAJ9.0A and TPSMD9.0A, VTVS9V4GSMF-M3-08 provides tighter 2 % breakdown tolerance, lower leakage, halogen-free compliance, and AEC-Q101 qualification readiness-making it optimal for automotive and high-reliability industrial designs where voltage margin and long-term stability are critical.
Availability
VTVS9V4GSMF-M3-08 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive sensor signal conditioning, industrial RS-485 node hardening, and 9 V DC power rail safeguarding requiring stable component supply across production lifecycles.
Supply support for VTVS9V4GSMF-M3-08 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 VTVS eSMP® series delivers compact, high-power TVS diodes optimized for board-level ESD and surge protection in space-constrained, thermally demanding environments-especially where AEC-Q101 compliance and tight parametric control are essential.
FAQ
What is the maximum clamping voltage of the VTVS9V4GSMF-M3-08 under standard test conditions?
The VTVS9V4GSMF-M3-08 has a maximum reverse clamping voltage (VC) of 14.9 V when subjected to a 10/1000 μs waveform with a peak pulse current of 26.23 A. This value is measured at Tamb = 25 °C and defines the upper voltage limit imposed on protected circuitry during transient events. The VTVS9V4GSMF-M3-08 maintains this clamping performance across its full operating temperature range.
Is the VTVS9V4GSMF-M3-08 qualified to AEC-Q101?
The VTVS9V4GSMF-M3-08 is part of Vishay's AEC-Q101-qualified eSMP® family, with qualification documented in the official datasheet revision 2.2. While the base part number does not include an "H" prefix (e.g., VTVS9V4GSMF-HM3-08), the -M3-08 variant shares the same die and qualification status. The VTVS9V4GSMF-M3-08 meets all AEC-Q101 stress tests including HTGB, HTRB, and temperature cycling.
What is the capacitance of the VTVS9V4GSMF-M3-08 and how does it affect high-speed signal lines?
The VTVS9V4GSMF-M3-08 exhibits 1130 pF typical junction capacitance at 0 V and 1 MHz. This value makes it suitable for USB 2.0 (480 Mbps) and RS-485 interfaces but unsuitable for USB 3.0, HDMI, or PCIe, where sub-10 pF capacitance is typically required. Signal integrity analysis must account for this capacitance when routing near sensitive receivers. The VTVS9V4GSMF-M3-08 is not recommended for differential high-speed lanes without pre-layout simulation.
How does the ±2 % breakdown voltage tolerance of the VTVS9V4GSMF-M3-08 improve system design?
The ±2 % VBR tolerance of the VTVS9V4GSMF-M3-08 reduces uncertainty in clamping onset, enabling tighter design margins around 9.4 V rails-such as automotive 9 V sensor supplies or industrial 12 V systems with 10 % regulation. This precision minimizes overvoltage risk to downstream ICs while avoiding premature conduction during normal operation. The VTVS9V4GSMF-M3-08 achieves this without sacrificing surge handling capability.
Can the VTVS9V4GSMF-M3-08 be used in bidirectional protection configurations?
The VTVS9V4GSMF-M3-08 is a unidirectional TVS diode and cannot provide symmetrical clamping for AC or bipolar signals on its own. For bidirectional protection (e.g., RS-485), two VTVS9V4GSMF-M3-08 devices are required-one anode-to-line and one cathode-to-line-or a dedicated bidirectional TVS must be selected. Using a single VTVS9V4GSMF-M3-08 in reverse-biased mode risks permanent damage due to forward conduction during negative transients.
VTVS9V4GSMF-M3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-219AB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.83V
- Voltage - Clamping (Max) @ Ipp:
- 14.9V
- Current - Peak Pulse (10/1000µs):
- 26.23A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 1130pF @ 1MHz
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AB (SMF)
VTVS9V4GSMF-M3-08 FAQ
1.How can I place an order for VTVS9V4GSMF-M3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VTVS9V4GSMF-M3-08 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 VTVS9V4GSMF-M3-08 reliable?
The price and inventory of VTVS9V4GSMF-M3-08 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VTVS9V4GSMF-M3-08 is usually 5 days.
3.What payment methods are accepted for VTVS9V4GSMF-M3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VTVS9V4GSMF-M3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VTVS9V4GSMF-M3-08?
VTVS9V4GSMF-M3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VTVS9V4GSMF-M3-08 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 VTVS9V4GSMF-M3-08?
For technical support, including VTVS9V4GSMF-M3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VTVS9V4GSMF-M3-08 requirements.
6.How does Aetrix verify that VTVS9V4GSMF-M3-08 is sourced from the original manufacturer or authorized distributors?
All VTVS9V4GSMF-M3-08 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 VTVS9V4GSMF-M3-08 meets industry standards.
7.What is the process for return or replacement of VTVS9V4GSMF-M3-08?
All VTVS9V4GSMF-M3-08 units undergo pre-shipment inspection (PSI). If there is an issue with VTVS9V4GSMF-M3-08, 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 VTVS9V4GSMF-M3-08 part is unused and in its original packaging.
Return procedure for VTVS9V4GSMF-M3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VTVS9V4GSMF-M3-08 Tags
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