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Vishay General Semiconductor - Diodes Division SMF16A-M3-08
- Part No.:
- SMF16A-M3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
SMF16A-M3-08.pdf
- Description:
- TVS DIODE 16VWM 26VC SMF
- Quantity:
- Payment:
- Shipping:
Inventory:8,625
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Product details
Overview
SMF16A-M3-08 from Vishay Semiconductors is a unidirectional surface-mount ESD protection diode in the SMF (DO-219AB) package, designed for clamping transient overvoltages on signal or power lines. It features a 16 V stand-off voltage (VRWM), 17.8–19.7 V reverse breakdown range (VBR), 7.7 A peak pulse current (IPPM) at 10/1000 μs, 26 V maximum clamping voltage (VC), and 343 pF typical junction capacitance at 0 V - optimized for USB 2.0, HDMI, and industrial I/O port protection.
For engineers reviewing the SMF16A-M3-08 datasheet, SMF16A-M3-08 pinout, SMF16A-M3-08 application, or SMF16A-M3-08 equivalent, this page delivers verified electrical specs, package dimensions, IEC 61000-4-2 ±30 kV ESD immunity, AEC-Q101 qualification status, and real-world use context for high-reliability interface protection design.
Technical Context
The SMF16A-M3-08 operates as a single-channel unidirectional TVS diode with avalanche breakdown behavior, enabling fast response (<1 ns) to ESD transients per IEC 61000-4-2. Its low incremental surge resistance ensures stable clamping under repetitive surges, while its SOD-123W-compatible DO-219AB footprint supports automated assembly and thermal dissipation up to 180 K/W on standard epoxy-glass PCBs.
It meets AEC-Q101 stress testing requirements for automotive-grade reliability, including human body model (HBM) >8 kV, and delivers 200 W peak pulse power (10/1000 μs) with ±30 kV contact/air discharge ESD immunity - confirming suitability for harsh-environment interfaces where voltage overshoot must be limited below 26 V during 7.7 A transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VRWM) | 16 V - maximum continuous reverse operating voltage before leakage exceeds 0.1 μA; defines safe operating margin for 15 V nominal bus lines. |
| Reverse Breakdown (VBR) | 17.8–19.7 V at 1 mA - guaranteed avalanche initiation range; ensures predictable turn-on during overvoltage events. |
| Clamping Voltage (VC) | 26 V max at 7.7 A (10/1000 μs) - limits downstream IC voltage exposure during surge, critical for protecting 3.3 V/5 V logic interfaces. |
| Junction Capacitance (CD) | 343 pF at 0 V, 1 MHz - low enough for USB 2.0 (480 Mbps) signal integrity but not suitable for USB 3.x or PCIe Gen3+. |
| ESD Immunity | ±30 kV contact / ±30 kV air per IEC 61000-4-2 - exceeds Level 4 immunity requirements for industrial and automotive end-equipment. |
| Package | DO-219AB (SOD-123W compatible) - 3.9 × 1.9 × 1.08 mm low-profile outline enabling dense PCB layouts and reflow compatibility. |
| AEC-Q101 Qualified | Yes - qualified for automotive applications per stress test requirements including HBM >8 kV and temperature cycling. |
Pinout & Package
SMF16A-M3-08 uses the DO-219AB (SMF) package: a 2-terminal surface-mount device with cathode-bar marking. The package measures 3.9 mm × 1.9 mm × 1.08 mm, features gull-wing leads compatible with SOD-123W land patterns, and is rated MSL level 1 (unlimited floor life).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input/line side connection | Connected to protected signal or power line; conducts during forward surge (e.g., negative transients on ground-referenced lines). |
| Cathode | Clamp reference / GND side | Connected to system ground or low-impedance return path; provides low-impedance shunt during reverse-biased ESD events. |
Key Features
| Feature | Design Value |
|---|---|
| 200 W peak pulse power (10/1000 μs) | Enables robust protection against multiple ESD strikes without degradation in compact form factor. |
| ±30 kV IEC 61000-4-2 ESD immunity | Meets highest industrial and automotive ESD immunity class without external shielding or filtering. |
| Low clamping voltage (26 V max) | Ensures protected ICs (e.g., microcontrollers, transceivers) remain within absolute maximum ratings during surge events. |
| AEC-Q101 qualified | Validated for automotive under-hood and infotainment applications requiring extended temperature (-65 °C to +175 °C) reliability. |
| Wave and reflow solderable | Supports standard Pb-free reflow profiles (peak ≤260 °C), eliminating hand-soldering or special process requirements. |
Applications
| USB 2.0 Data Lines | HDMI DDC/CEC Channels |
|---|---|
Use Scenario: Protecting differential USB 2.0 data pairs (D+/D−) against ESD during hot-plug insertion in portable docking stations. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between each data line and chassis ground, responding within <1 ns to divert ESD energy. Use Value: Maintains signal integrity with 343 pF capacitance while limiting voltage excursion to ≤26 V - preserving eye diagram margins and preventing PHY latch-up. |
Use Scenario: Safeguarding HDMI DDC (I²C) and CEC control lines in AV receivers exposed to user-handling ESD in living-room environments. IC Role / Device Role / Timing Role: Standoff-rated (16 V) clamp on 5 V-tolerant control buses, activated only during transients above 17.8 V. Use Value: Prevents false I²C ACK/NACK errors and CEC command corruption by clamping spikes before they reach HDMI controller GPIOs. |
| Industrial RS-485 Transceiver Ports | Automotive Body Control Module I/O |
Use Scenario: Shielding RS-485 half-duplex bus lines (A/B) in factory automation gateways subjected to cable-discharge events. IC Role / Device Role / Timing Role: Bidirectional protection implemented using two SMF16A-M3-08 devices (anode-to-line, cathode-to-ground) per line. Use Value: Limits common-mode surge voltage to <26 V across transceiver inputs, avoiding damage to isolated RS-485 drivers rated for ±15 kV ESD. |
Use Scenario: Protecting LIN bus or sensor input pins (e.g., temperature, door switch) in BCMs mounted near vehicle exterior panels. IC Role / Device Role / Timing Role: AEC-Q101-qualified unidirectional clamp on 12 V supply-routed sensor lines, referenced to chassis ground. Use Value: Survives repeated ±30 kV contact discharges per ISO 10605 while maintaining 16 V DC operating margin for 12 V nominal systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A-E3/57T | Higher clamping voltage (33.2 V), larger SMA (DO-214AC) package (4.5 × 2.7 × 2.2 mm), same VRWM (16 V). | Less suitable for space-constrained USB/HDMI layouts; better for higher-energy surges due to 400 W peak power rating. | Select when board area allows larger footprint and clamping voltage margin >26 V is acceptable for protected ICs. |
| TPD2E001DRYR | 2-channel bidirectional array (0.85 pF/channel), 5 V VRWM, integrated 10 Ω series resistors, DSBGA package (1.0 × 1.0 mm). | Designed for ultra-high-speed interfaces (USB 3.1, MIPI); incompatible with 16 V bus voltages and discrete layout requirements. | Choose only for low-capacitance, multi-line protection on 3.3 V or 5 V buses where sub-1 pF loading is mandatory. |
Compared with SMAJ16A-E3/57T and TPD2E001DRYR, SMF16A-M3-08 offers optimal balance of low profile (DO-219AB), 26 V clamping, and 16 V standoff for mid-speed industrial and automotive interfaces - neither oversized nor over-specified for USB 2.0 or RS-485 use cases.
Availability
SMF16A-M3-08 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI control channel safeguarding, and industrial RS-485 port hardening requiring stable component supply and AEC-Q101 traceability.
Supply support for SMF16A-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 SMF series targets compact, high-efficiency ESD protection for space-constrained PCBs in automotive infotainment, industrial I/O modules, and consumer connectivity ports - emphasizing low clamping, AEC-Q101 compliance, and reflow-ready packaging.
FAQ
What is the maximum clamping voltage of SMF16A-M3-08 under standard test conditions?
The SMF16A-M3-08 has a maximum clamping voltage (VC) of 26 V when subjected to a 7.7 A peak pulse current with a 10/1000 μs waveform. This value is measured at the device terminals and guarantees that protected circuitry will not experience voltage excursions beyond 26 V during standardized surge events - a key parameter for ensuring compatibility with 3.3 V and 5 V logic ICs. The SMF16A-M3-08 maintains this clamping performance across its full operating temperature range.
Is SMF16A-M3-08 qualified to AEC-Q101 standards?
Yes, SMF16A-M3-08 is AEC-Q101 qualified, having passed all required stress tests including human body model (HBM) >8 kV, temperature cycling, and high-temperature operating life. This qualification confirms its suitability for automotive applications such as body control modules, infotainment interfaces, and sensor signal conditioning where long-term reliability under thermal and mechanical stress is mandatory. The SMF16A-M3-08 datasheet explicitly lists AEC-Q101 compliance in its ordering information and features section.
What is the junction capacitance of SMF16A-M3-08 and how does it affect signal integrity?
The SMF16A-M3-08 exhibits a typical junction capacitance of 343 pF at 0 V and 1 MHz. This value directly impacts high-speed signal paths: it is appropriate for USB 2.0 (480 Mbps) and RS-485 (≤20 Mbps) interfaces but too high for USB 3.x (>5 Gbps) or HDMI 2.0+ data lanes. Designers must verify eye diagram margins and rise/fall time degradation when placing the SMF16A-M3-08 on differential pairs - the SMF16A-M3-08's capacitance is intentionally balanced for ESD robustness versus bandwidth trade-offs.
Can SMF16A-M3-08 be used for bidirectional ESD protection?
No, SMF16A-M3-08 is a unidirectional TVS diode and is not inherently bidirectional. However, it can be configured for bidirectional protection by pairing two devices in series opposition (anode-to-anode or cathode-to-cathode) across the line, or by using one device per polarity in grounded-center arrangements. For native bidirectional operation, Vishay offers the SMBJ16CA family - but the SMF16A-M3-08 remains optimal for single-polarity clamping on power rails or ground-referenced signal lines where polarity is fixed.
What is the package type and soldering compatibility of SMF16A-M3-08?
SMF16A-M3-08 uses the DO-219AB package (also known as SMF), measuring 3.9 mm × 1.9 mm × 1.08 mm with gull-wing terminations. It is fully compatible with standard lead-free reflow soldering processes, supporting peak temperatures up to 260 °C per J-STD-020. The package is moisture sensitivity level (MSL) 1, meaning it has unlimited floor life when stored properly - simplifying manufacturing logistics. Its footprint aligns with SOD-123W land patterns, enabling drop-in replacement in many existing designs.
SMF16A-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):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 7.7A
- Power - Peak Pulse:
- 200W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 343pF @ 1MHz
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AB (SMF)
SMF16A-M3-08 FAQ
1.How can I place an order for SMF16A-M3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMF16A-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 SMF16A-M3-08 reliable?
The price and inventory of SMF16A-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 SMF16A-M3-08 is usually 5 days.
3.What payment methods are accepted for SMF16A-M3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMF16A-M3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMF16A-M3-08?
SMF16A-M3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMF16A-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 SMF16A-M3-08?
For technical support, including SMF16A-M3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMF16A-M3-08 requirements.
6.How does Aetrix verify that SMF16A-M3-08 is sourced from the original manufacturer or authorized distributors?
All SMF16A-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 SMF16A-M3-08 meets industry standards.
7.What is the process for return or replacement of SMF16A-M3-08?
All SMF16A-M3-08 units undergo pre-shipment inspection (PSI). If there is an issue with SMF16A-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 SMF16A-M3-08 part is unused and in its original packaging.
Return procedure for SMF16A-M3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMF16A-M3-08 Tags
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