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Vishay General Semiconductor - Diodes Division VTVS31GSMF-M3-08
- Part No.:
- VTVS31GSMF-M3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
VTVS31GSMF-M3-08.pdf
- Description:
- TVS DIODE 30.6VWM 51VC DO219AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,366
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Product details
Overview
VTVS31GSMF-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. It features a 30.6 V stand-off voltage (VRWM), 35.28–36.72 V reverse breakdown voltage (VBR) at 1 mA, 51 A peak pulse current (IPPM), 7.74 V forward clamping voltage at 50 A, and ±30 kV IEC 61000-4-2 ESD immunity - deployed in automotive infotainment power rails.
For engineers reviewing the VTVS31GSMF-M3-08 datasheet, VTVS31GSMF-M3-08 pinout, VTVS31GSMF-M3-08 application, or VTVS31GSMF-M3-08 equivalent, this page delivers verified electrical specs, SMF package dimensions, clamping performance under 10/1000 μs transients, thermal resistance (20 K/W), and AEC-Q101 qualification status - critical for automotive-grade board-level protection design.
Technical Context
This TVS diode operates as a unidirectional shunt protector with avalanche breakdown behavior, triggered when reverse voltage exceeds 35.28 V. Its low 7.74 V clamping voltage at 51 A ensures downstream ICs remain below safe operating limits during 400 W transient events.
Designed for surface-mount reflow and wave soldering, it meets MSL level 1 per J-STD-020 and supports halogen-free, lead-free (Sn-plated) terminations. The device sustains junction temperatures from –55 °C to +175 °C and exhibits 380 pF capacitance at 0 V, making it suitable for moderate-speed signal line protection where capacitance must be constrained.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 400 W (10/1000 μs waveform; defines maximum transient energy absorption capability) |
| Stand-off Voltage (VRWM) | 30.6 V (maximum continuous reverse voltage before leakage exceeds 0.05 μA) |
| Breakdown Voltage (VBR) | 35.28–36.72 V at 1 mA (tight ±2 % tolerance enables precise overvoltage threshold setting) |
| Clamping Voltage (VC) | 51 V at 7.74 A (voltage seen by protected circuit during full-rated 400 W surge) |
| ESD Rating | ±30 kV contact / ±30 kV air (IEC 61000-4-2 compliance ensures robust system-level ESD resilience) |
| Junction Temperature Range | –55 °C to +175 °C (supports under-hood automotive deployment without derating) |
| Capacitance | 380 pF at 0 V, 1 MHz (enables use on <10 Mbps data/power lines without signal integrity degradation) |
Pinout & Package
SMF (DO-219AB) package: low-profile, surface-mount, halogen-free molding compound; dimensions 3.9 mm × 1.9 mm × 1.08 mm; cathode marked by bar on top surface; compatible with SOD-123W footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry during forward conduction | Connected to protected line's low-side (e.g., GND return path) in unidirectional configuration |
| Cathode | Current exit during reverse avalanche | Connected to protected line's high-side (e.g., 3.3 V/5 V/12 V rail); polarity-sensitive installation required |
Key Features
| Feature | Design Value |
|---|---|
| ±2 % VBR tolerance | Enables tighter voltage margin control vs. ±5 % variants, reducing risk of false triggering or inadequate protection |
| AEC-Q101 qualified | Validated for automotive applications including engine control units, body electronics, and ADAS sensor interfaces |
| Low 20 K/W thermal resistance | Supports rapid heat dissipation to PCB copper, maintaining reliability during repetitive surges |
| "Low-Noise" fast response | Sub-nanosecond turn-on time minimizes let-through energy during ESD events |
| Reflow/wave solder compatible | Rated for peak temperature up to 260 °C, enabling compatibility with standard Pb-free assembly processes |
Applications
| Automotive Infotainment Power Rail | Industrial CAN Bus Interface |
|---|---|
|
Use Scenario: Protecting 3.3 V/5 V supply lines feeding head unit microcontrollers and display drivers against load dump and ESD. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between rail and ground, clamping transients within 1 ns. Use Value: Prevents latch-up or permanent damage to SoCs and PMICs during ISO 7637-2 pulse 1/2a/5a events and ±30 kV ESD contact discharge. |
Use Scenario: Safeguarding CANH/CANL differential pair inputs in vehicle gateway modules exposed to cable coupling surges. IC Role / Device Role / Timing Role: Paired unidirectional TVS devices (one per line) referenced to common ground, absorbing common-mode transients. Use Value: Maintains CAN signal integrity up to 1 Mbps while suppressing >400 W coupled surges without increasing bus capacitance beyond 400 pF per line. |
| USB Type-C VBUS Line Protection | Smart Meter Power Input Stage |
|
Use Scenario: Securing 5 V VBUS line in automotive USB hubs against hot-plug induced transients and ESD. IC Role / Device Role / Timing Role: Standoff-rated TVS placed inline between connector and buck converter input, with cathode toward VBUS. Use Value: Clamps 10/1000 μs surges to ≤51 V, ensuring downstream DC/DC controller remains within absolute max ratings during repeated 30 kV ESD strikes. |
Use Scenario: Shielding AC/DC adapter output (12–24 V DC) in utility meters from lightning-induced surges on distribution lines. IC Role / Device Role / Timing Role: Primary shunt protector on main DC bus, coordinated with upstream MOV and fuse for staged protection. Use Value: Absorbs 400 W pulses without degradation across 1000+ surge events, validated per IEC 61000-4-5 Level 3 (1 kV/2 Ω) |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ33A-E3/5A | ±5 % VBR tolerance (31.4–34.7 V), 33 V VRWM, same 400 W rating but higher clamping (64.5 V @ 6.2 A) | Higher clamping voltage reduces protection margin for 3.3 V logic; better suited for 24 V industrial lines | Select when ±5 % tolerance is acceptable and higher VC is tolerable for legacy 24 V designs |
| TPSMD33A | Same 33 V VRWM, ±5 % VBR, but 600 W rating and 330 pF capacitance; not AEC-Q101 qualified | Lacks automotive qualification; lower capacitance benefits high-speed data lines, but thermal derating required above 125 °C | Prefer for non-automotive industrial systems needing higher surge margin and lower CD |
Compared with VTVS31GSMF-M3-08, SMAJ33A-E3/5A offers broader VBR tolerance and higher clamping, while TPSMD33A trades AEC-Q101 compliance for increased power rating and reduced capacitance - making VTVS31GSMF-M3-08 optimal for temperature-stressed, safety-critical automotive 30.6 V rail protection.
Availability
VTVS31GSMF-M3-08 is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial CAN networks, and smart meter power inputs requiring stable component supply with AEC-Q101 assurance and consistent 400 W surge handling.
Supply support for VTVS31GSMF-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 TransZorb® eSMP® Series - including VTVS31GSMF-M3-08 - was engineered for space-constrained, high-surge environments demanding AEC-Q101 validation, tight VBR tolerance, and low-profile SMT packaging.
FAQ
What is the exact reverse breakdown voltage range for VTVS31GSMF-M3-08?
The VTVS31GSMF-M3-08 has a reverse breakdown voltage (VBR) of 35.28 V minimum to 36.72 V maximum at IT = 1 mA and TJ = 25 °C, reflecting its ±2 % tolerance grade. This tight specification ensures predictable turn-on behavior in precision protection circuits and is confirmed in Vishay's Document Number 85891, Rev. 2.2.
Is VTVS31GSMF-M3-08 qualified for automotive use?
Yes, VTVS31GSMF-M3-08 is AEC-Q101 qualified, meaning it has passed stress tests for temperature cycling, humidity, mechanical shock, and ESD specifically required for automotive electronic components. This qualification is explicitly stated in the Vishay datasheet and applies to the M3-08 packaging variant.
What is the clamping voltage of VTVS31GSMF-M3-08 under full-rated surge conditions?
At its rated peak pulse current of 51 A (10/1000 μs waveform), the VTVS31GSMF-M3-08 clamps to a maximum of 51 V. This value - specified as VC in the "Electrical Characteristics" table - defines the upper voltage limit imposed on protected circuitry during a 400 W transient event.
Does VTVS31GSMF-M3-08 support lead-free reflow soldering?
Yes, VTVS31GSMF-M3-08 is rated for lead-free reflow soldering with a peak temperature of up to 260 °C, per J-STD-020 MSL level 1. Its Sn-plated terminations and halogen-free molding compound comply with RoHS and JEDEC standards for modern SMT assembly lines.
How does the 380 pF capacitance of VTVS31GSMF-M3-08 affect circuit performance?
The 380 pF typical capacitance at 0 V and 1 MHz makes VTVS31GSMF-M3-08 suitable for protecting DC power rails and low-to-moderate speed signal lines (e.g., UART, LIN, or 1 Mbps CAN), but not recommended for high-speed interfaces like USB 2.0 or HDMI where sub-5 pF is typically required. This value is measured and published in the Vishay datasheet.
VTVS31GSMF-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):
- 30.6V
- Voltage - Breakdown (Min):
- 35.28V
- Voltage - Clamping (Max) @ Ipp:
- 51V
- Current - Peak Pulse (10/1000µs):
- 7.74A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 380pF @ 1MHz
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AB (SMF)
VTVS31GSMF-M3-08 FAQ
1.How can I place an order for VTVS31GSMF-M3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for VTVS31GSMF-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 VTVS31GSMF-M3-08 reliable?
The price and inventory of VTVS31GSMF-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 VTVS31GSMF-M3-08 is usually 5 days.
3.What payment methods are accepted for VTVS31GSMF-M3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VTVS31GSMF-M3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for VTVS31GSMF-M3-08?
VTVS31GSMF-M3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your VTVS31GSMF-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 VTVS31GSMF-M3-08?
For technical support, including VTVS31GSMF-M3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VTVS31GSMF-M3-08 requirements.
6.How does Aetrix verify that VTVS31GSMF-M3-08 is sourced from the original manufacturer or authorized distributors?
All VTVS31GSMF-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 VTVS31GSMF-M3-08 meets industry standards.
7.What is the process for return or replacement of VTVS31GSMF-M3-08?
All VTVS31GSMF-M3-08 units undergo pre-shipment inspection (PSI). If there is an issue with VTVS31GSMF-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 VTVS31GSMF-M3-08 part is unused and in its original packaging.
Return procedure for VTVS31GSMF-M3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
VTVS31GSMF-M3-08 Tags
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