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Vishay General Semiconductor - Diodes Division SMF5V0A-M3-08
- Part No.:
- SMF5V0A-M3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
SMF5V0A-M3-08.pdf
- Description:
- TVS DIODE 5VWM 9.2VC SMF
- Quantity:
- Payment:
- Shipping:
Inventory:32,371
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Product details
Overview
SMF5V0A-M3-08 from Vishay Semiconductors is a unidirectional surface-mount ESD protection diode in DO-219AB (SOD-123W) package, designed for low-capacitance transient suppression on high-speed data lines. It features 5.0 V stand-off voltage, 6.4 V minimum breakdown voltage at 10 mA, 21.7 A peak pulse current (10/1000 μs), 9.2 V maximum clamping voltage at IPPM, and 1120 pF typical junction capacitance at 0 V and 1 MHz.
For engineers reviewing the SMF5V0A-M3-08 datasheet, SMF5V0A-M3-08 pinout, SMF5V0A-M3-08 application, or SMF5V0A-M3-08 equivalent, this device is selected for USB 2.0, HDMI, and industrial I/O port protection where sub-10 V clamping, ±30 kV IEC 61000-4-2 ESD immunity, and AEC-Q101 qualification are required.
Technical Context
This diode operates as a unidirectional TVS clamp with avalanche breakdown mechanism, optimized for fast response (<1 ns rise time) and low incremental surge resistance. Its 1120 pF capacitance and 9.2 V clamping at 21.7 A support signal integrity in 480 Mbps USB 2.0 interfaces while meeting stringent automotive-grade reliability per AEC-Q101.
The SMF5V0A-M3-08 uses silicon planar technology in a low-profile DO-219AB package with MSL level 1 moisture sensitivity, rated for -65 °C to +175 °C operating temperature and compatible with wave and reflow soldering (peak 260 °C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VRWM) | 5.0 V - Maximum continuous reverse voltage before significant leakage; sets threshold for USB 2.0 data line protection without affecting DC bias. |
| Breakdown Voltage (VBR min) | 6.4 V at 10 mA - Guaranteed avalanche initiation point; ensures reliable triggering above normal signal swing. |
| Clamping Voltage (VC max) | 9.2 V at 21.7 A - Peak voltage seen by protected IC during 10/1000 μs surge; stays below 10 V to safeguard 5 V logic rails. |
| Junction Capacitance (CD) | 1120 pF at 0 V, 1 MHz - Measured value impacting high-frequency insertion loss; suitable for ≤480 Mbps USB 2.0 but not USB 3.0. |
| ESD Immunity | ±30 kV contact / ±30 kV air per IEC 61000-4-2 - Validated immunity level enabling single-device compliance for front-panel ports. |
| Peak Pulse Power | 200 W at 10/1000 μs - Sustains short-duration transients common in industrial environments without thermal runaway. |
| AEC-Q101 Qualified | Yes - Certified for automotive underhood and infotainment applications requiring H3B-class ESD robustness (>8 kV HBM). |
Pinout & Package
SMF5V0A-M3-08 uses the DO-219AB (SOD-123W) package: 3.9 mm × 1.9 mm × 1.08 mm, cathode-bar marked, low-profile, MSL level 1, reflow-compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input/Line side | Connected to signal line being protected; carries surge current into cathode during clamping. |
| Cathode | Ground reference | Connected to system ground or low-impedance return path; defines unidirectional conduction direction and clamping polarity. |
Key Features
| Feature | Design Value |
|---|---|
| Low-clamp architecture | 9.2 V VC at 21.7 A enables safe protection of 5 V logic without overvoltage stress on downstream ICs. |
| "Low Noise" fast response | <1 ns rise time per IEC 61000-4-2 waveform ensures clamping activation before ESD energy couples into sensitive circuitry. |
| AEC-Q101 qualification | H3B-class ESD (HBM >8 kV) and extended temperature range (-65 °C to +175 °C) support automotive under-hood deployment. |
| SOD-123W footprint compatibility | DO-219AB outline matches industry-standard SOD-123W land pattern, enabling drop-in replacement in existing PCB layouts. |
| Reflow/wave solderable | Rated for peak reflow temperature up to 260 °C and compliant with J-STD-020 MSL level 1, eliminating bake requirements. |
Applications
| USB 2.0 Port Protection | HDMI DDC Line Protection |
|---|---|
Use Scenario: Protecting USB 2.0 data lines (D+/D-) against ESD events during hot-plug insertion in industrial HMIs and automotive infotainment systems. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between data line and chassis ground, clamping transients before they reach the USB transceiver. Use Value: 9.2 V clamping voltage prevents damage to 5 V tolerant PHYs; 1120 pF capacitance maintains signal integrity at 480 Mbps without eye diagram degradation. |
Use Scenario: Safeguarding HDMI Display Data Channel (DDC) lines (SDA/SCL) from electrostatic discharge in consumer AV receivers and digital signage controllers. IC Role / Device Role / Timing Role: Bidirectional protection is not required-DDC operates at 5 V DC with open-drain pull-ups; unidirectional SMF5V0A-M3-08 protects against negative transients only. Use Value: 5.0 V VRWM avoids leakage-induced pull-up weakening; ±30 kV ESD rating exceeds IEC 61000-4-2 requirement for Class B equipment. |
| Industrial I/O Port Protection | Automotive Sensor Interface Protection |
Use Scenario: Shielding 24 V industrial PLC analog/digital input channels from field-induced surges and operator ESD in factory automation panels. IC Role / Device Role / Timing Role: Front-end transient suppressor mounted directly at connector entry point, shunting surge energy to local ground plane. Use Value: 200 W peak pulse power (10/1000 μs) handles repetitive switching noise; -65 °C to +175 °C rating supports operation in uncontrolled cabinet environments. |
Use Scenario: Protecting LIN bus or analog sensor inputs (e.g., temperature, pressure) in engine control modules and body electronics from cable-borne transients. IC Role / Device Role / Timing Role: Unidirectional clamp on sensor supply or signal line, referenced to vehicle chassis ground, activated only during negative-going surges. Use Value: AEC-Q101 qualification ensures reliability under thermal cycling and vibration; 6.4 V VBR guarantees turn-on before 5 V rail overstress in 12 V automotive systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMF5V0AHE3_A/H | AEC-Q101 qualified version with "HE3_A" suffix; identical electrical specs and DO-219AB package; differs only in packaging code and traceability marking. | No functional difference; used where full AEC-Q101 documentation and lot traceability are contractually mandated. | Select SMF5V0AHE3_A/H when automotive OEM PPAP submission requires certified AEC-Q101 test reports and enhanced traceability. |
| TPD2E001DRYR | 2-channel, bidirectional, 15 pF typical capacitance; lower clamping (8.5 V at 4 A), but rated only to 4 A IPPM and not AEC-Q101 qualified. | Better for high-speed USB 2.0 or HDMI TMDS lines where ultra-low capacitance is critical; unsuitable for automotive under-hood use. | Choose TPD2E001DRYR for space-constrained consumer designs needing dual-line protection and <20 pF loading; avoid where 21.7 A surge handling or AEC-Q101 is required. |
Compared with SMF5V0A-M3-08, SMF5V0AHE3_A/H offers identical protection performance with enhanced automotive traceability, while TPD2E001DRYR trades surge robustness and qualification for lower capacitance and dual-channel integration-making it complementary rather than interchangeable.
Availability
SMF5V0A-M3-08 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, industrial I/O port hardening, and automotive sensor signal line safeguarding requiring stable component supply across production lifecycles.
Supply support for SMF5V0A-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 power management, sensing, and protection components with emphasis on reliability and automotive-grade validation.
The SMF series targets board-level ESD and surge protection in harsh environments, with design focus on high-energy clamping, AEC-Q101 compliance, and compatibility with automated assembly processes.
FAQ
What is the clamping voltage of the SMF5V0A-M3-08 at its rated peak pulse current?
The SMF5V0A-M3-08 has a maximum clamping voltage (VC) of 9.2 V at 21.7 A peak pulse current (10/1000 μs waveform). This value is measured under standardized surge conditions and ensures protected circuits remain within safe voltage margins during ESD or lightning-induced transients. The SMF5V0A-M3-08 achieves this clamping performance while maintaining unidirectional operation and low leakage below 5 V.
Is the SMF5V0A-M3-08 qualified to AEC-Q101, and what does that qualification cover?
Yes, the SMF5V0A-M3-08 is AEC-Q101 qualified, covering stress tests including human body model ESD (H3B class, >8 kV), temperature cycling, high-temperature operating life, and mechanical shock. This qualification confirms suitability for automotive applications such as infotainment, body control, and sensor interfaces where reliability under thermal and electrical stress is mandatory. The SMF5V0A-M3-08 meets these requirements in its DO-219AB package with full test report traceability.
What is the junction capacitance of the SMF5V0A-M3-08, and how does it affect high-speed signal lines?
The SMF5V0A-M3-08 exhibits 1120 pF typical junction capacitance at 0 V and 1 MHz. This value impacts impedance matching and signal rise/fall times-making it appropriate for USB 2.0 (480 Mbps) and industrial RS-485, but unsuitable for USB 3.0 or HDMI TMDS where sub-2 pF loading is required. The SMF5V0A-M3-08 balances clamping performance and capacitive load for medium-speed interfaces where robustness outweighs ultra-low capacitance needs.
Can the SMF5V0A-M3-08 be used for bidirectional signal protection?
No-the SMF5V0A-M3-08 is a unidirectional TVS diode, designed to clamp only negative transients relative to ground. It must be used with the cathode tied to ground and anode to the protected line. For bidirectional protection (e.g., AC-coupled lines or differential pairs), two SMF5V0A-M3-08 devices in series opposition or a dedicated bidirectional part like SMF5V0AT is required. The SMF5V0A-M3-08's electrical specification and pinout assume single-polarity clamping.
What is the package type and soldering compatibility of the SMF5V0A-M3-08?
The SMF5V0A-M3-08 uses the DO-219AB package (also known as SOD-123W), measuring 3.9 mm × 1.9 mm × 1.08 mm with cathode-bar marking. It is fully compatible with standard reflow soldering profiles up to 260 °C peak temperature and meets J-STD-020 MSL level 1, requiring no pre-bake. The SMF5V0A-M3-08 also supports wave soldering and is footprint-compatible with legacy SOD-123 designs when layout allowances are observed.
SMF5V0A-M3-08 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-219AB
- Series:
- eSMP®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 9.2V
- Current - Peak Pulse (10/1000µs):
- 21.7A
- Power - Peak Pulse:
- 200W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 1120pF @ 1MHz
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AB (SMF)
SMF5V0A-M3-08 FAQ
1.How can I place an order for SMF5V0A-M3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMF5V0A-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 SMF5V0A-M3-08 reliable?
The price and inventory of SMF5V0A-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 SMF5V0A-M3-08 is usually 5 days.
3.What payment methods are accepted for SMF5V0A-M3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMF5V0A-M3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMF5V0A-M3-08?
SMF5V0A-M3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMF5V0A-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 SMF5V0A-M3-08?
For technical support, including SMF5V0A-M3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMF5V0A-M3-08 requirements.
6.How does Aetrix verify that SMF5V0A-M3-08 is sourced from the original manufacturer or authorized distributors?
All SMF5V0A-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 SMF5V0A-M3-08 meets industry standards.
7.What is the process for return or replacement of SMF5V0A-M3-08?
All SMF5V0A-M3-08 units undergo pre-shipment inspection (PSI). If there is an issue with SMF5V0A-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 SMF5V0A-M3-08 part is unused and in its original packaging.
Return procedure for SMF5V0A-M3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMF5V0A-M3-08 Tags
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