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Vishay General Semiconductor - Diodes Division SMF9V0A-M3-08
- Part No.:
- SMF9V0A-M3-08
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-219AB
- Datasheet:
-
SMF9V0A-M3-08.pdf
- Description:
- TVS DIODE 9VWM 15.4VC SMF
- Quantity:
- Payment:
- Shipping:
Inventory:8,594
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Product details
Overview
SMF9V0A-M3-08 from Vishay Semiconductors is a unidirectional surface-mount ESD protection diode in the SMF (DO-219AB) package, designed for low-capacitance transient voltage suppression in high-speed data lines. It features a 9.0 V stand-off voltage (VRWM), 15.4 V maximum clamping voltage at 13.5 A peak pulse current, and 640 pF typical junction capacitance at 0 V - optimized for USB 2.0, HDMI, and industrial I/O port protection.
For engineers reviewing the SMF9V0A-M3-08 datasheet, SMF9V0A-M3-08 pinout, SMF9V0A-M3-08 application, or SMF9V0A-M3-08 equivalent, key selection criteria include clamping performance under IEC 61000-4-2 ±30 kV contact discharge, AEC-Q101 qualification status, SOD-123W-compatible footprint, and thermal resistance of 180 K/W on standard epoxy-glass PCBs.
Technical Context
This device operates as a single-channel unidirectional TVS diode with avalanche breakdown behavior, triggered when reverse voltage exceeds its 10.0–11.2 V breakdown range (VBR). Its low incremental surge resistance enables rapid clamping response (<1 ns), supporting ESD immunity per IEC 61000-4-2 and surge robustness per IEC 61000-4-5 (8/20 μs, 1000 W).
The SMF9V0A-M3-08 integrates Vishay's "Low Noise" silicon technology to minimize parasitic capacitance while maintaining tight voltage tolerance and stable leakage (<0.1 μA at VRWM). It is rated for continuous operation from –65 °C to +175 °C and qualified to AEC-Q101 for automotive-grade reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VRWM) | 9.0 V - maximum continuous reverse operating voltage before significant leakage begins; defines safe signal swing margin for protected line. |
| Breakdown Voltage (VBR) | 10.0–11.2 V at 1 mA - precise avalanche onset threshold ensuring predictable turn-on during transients. |
| Clamping Voltage (VC) | 15.4 V max at IPPM = 13.5 A (10/1000 μs) - limits downstream IC voltage stress during ESD/surge events. |
| Junction Capacitance (CD) | 640 pF typ. at 0 V, 1 MHz - low enough for USB 2.0 (480 Mbps) and industrial serial interfaces without signal integrity degradation. |
| Peak Pulse Power (PPP) | 200 W (10/1000 μs), 1000 W (8/20 μs) - supports multi-pulse ESD immunity and lightning-induced surges in industrial environments. |
| ESD Withstand | ±30 kV contact / ±30 kV air per IEC 61000-4-2 - exceeds Level 4 immunity requirements for end-equipment certification. |
| Operating Temperature | –65 °C to +175 °C - enables deployment in under-hood automotive, industrial control, and outdoor telecom applications. |
Pinout & Package
The SMF9V0A-M3-08 uses the DO-219AB (SMF) package: low-profile (1.08 mm height), SOD-123W-compatible outline, molded UL 94 V-0 compound, MSL level 1, and reflow-solderable with peak temperature ≤260 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Pin 1) | Input/Signal Line Connection | Connected to protected line (e.g., USB D+); conducts during forward-biased overvoltage events. |
| Cathode (Pin 2) | Ground Reference Terminal | Connected to system ground plane; provides low-impedance path for transient current during reverse-biased clamping. |
Key Features
| Feature | Design Value |
|---|---|
| IEC 61000-4-2 ESD immunity | ±30 kV contact / ±30 kV air - eliminates need for secondary ESD stages in cost-sensitive consumer and industrial designs. |
| AEC-Q101 qualification | Qualified per human body model Class H3B (>8 kV) - supports automotive infotainment and body electronics without additional qualification effort. |
| Low-profile DO-219AB package | 3.9 × 1.9 × 1.08 mm - fits dense PCB layouts and enables automated placement on 0.5 mm pitch pads. |
| "Low Noise" fast-response silicon | <1 ns response time - clamps transients before sensitive interface ICs experience latch-up or damage. |
| Thermal robustness | RthJA = 180 K/W on 3 mm × 3 mm Cu pads - sustains repeated surge events without thermal runaway in enclosed enclosures. |
Applications
| USB 2.0 Port Protection | HDMI Interface Protection |
|---|---|
|
Use Scenario: Protecting USB 2.0 D+/D− lines against ESD events during hot-plug insertion in industrial HMIs and medical devices. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed directly at connector entry point to shunt ESD current to chassis ground. Use Value: 640 pF capacitance avoids signal rise-time degradation at 480 Mbps; 15.4 V clamping prevents damage to USB transceivers rated ≤16 V absolute max. |
Use Scenario: Safeguarding HDMI TMDS channels from electrostatic discharge in set-top boxes and AV receivers exposed to user handling. IC Role / Device Role / Timing Role: Single-channel transient suppressor on each differential pair, mounted adjacent to HDMI receptacle. Use Value: Low capacitance preserves signal integrity up to 2.25 Gbps; ±30 kV ESD rating meets IEC 61000-4-2 compliance for CE-marked equipment. |
| Automotive Body Control Module I/O | Industrial RS-485 Transceiver Protection |
|
Use Scenario: Protecting LIN bus or sensor input pins in automotive body control modules subjected to assembly-line ESD and load-dump coupling. IC Role / Device Role / Timing Role: Standoff-clamp TVS on low-speed analog/digital inputs requiring AEC-Q101 reliability and wide temperature operation. Use Value: –65 °C to +175 °C rating ensures functionality across engine bay thermal cycles; 9.0 V VRWM matches 5 V/12 V supply domains. |
Use Scenario: Shielding RS-485 transceiver inputs from induced surges in factory automation networks with long cable runs. IC Role / Device Role / Timing Role: Primary transient suppressor on A/B differential lines, placed before transceiver ESD diodes. Use Value: 200 W (10/1000 μs) pulse power handles repetitive surges from motor switching noise; 180 K/W RthJA supports sustained operation in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ9.0A | Higher clamping voltage (16.0 V), larger SMA (DO-214AC) package (4.5 × 2.7 × 2.2 mm), 1000 W PPP (8/20 μs) only. | Less suitable for space-constrained USB/HDMI layouts; better for higher-energy surges where board area permits. | Select SMAJ9.0A only if PCB layout allows larger footprint and clamping voltage margin >16.0 V is acceptable. |
| TPD2E001DRYR | 2-channel bidirectional array, 12 pF capacitance, 5.5 V VRWM, integrated ESD protection for high-speed digital interfaces. | Designed for dual-line protection (e.g., USB D+/D−) with ultra-low capacitance; not unidirectional or AEC-Q101 qualified. | Choose TPD2E001DRYR for USB 2.0 where <15 pF capacitance is mandatory and automotive qualification is not required. |
Compared with SMAJ9.0A and TPD2E001DRYR, the SMF9V0A-M3-08 uniquely balances compact DO-219AB size, AEC-Q101 qualification, 9.0 V standoff, and 640 pF capacitance - making it optimal for automotive and industrial USB/HDMI protection where reliability, footprint, and signal integrity must coexist.
Availability
SMF9V0A-M3-08 is available at Aetrix Electronics and suitable for USB 2.0 port protection, HDMI interface safeguarding, and automotive body control module I/O requiring stable component supply across production lifecycles.
Supply support for SMF9V0A-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 high-speed interface protection with AEC-Q101 qualification, low capacitance, and robust surge handling - engineered specifically for next-generation USB, HDMI, and automotive sensor interfaces.
FAQ
What is the clamping voltage of the SMF9V0A-M3-08 at its rated peak pulse current?
The SMF9V0A-M3-08 has a maximum clamping voltage (VC) of 15.4 V when subjected to its rated peak pulse current of 13.5 A using the 10/1000 μs waveform. This value is measured under standardized test conditions and ensures downstream circuitry remains within safe voltage limits during ESD or surge events. The SMF9V0A-M3-08 achieves this clamping performance while maintaining low leakage and tight voltage tolerances across temperature.
Is the SMF9V0A-M3-08 qualified to AEC-Q101?
Yes, the SMF9V0A-M3-08 is AEC-Q101 qualified, meeting the stress test requirements for discrete semiconductors used in automotive applications. It passes human body model (HBM) testing at Class H3B (>8 kV) and operates reliably from –65 °C to +175 °C. This qualification makes the SMF9V0A-M3-08 suitable for use in automotive body electronics, infotainment systems, and other vehicle subsystems where component reliability is critical.
What package type does the SMF9V0A-M3-08 use, and is it compatible with standard SMT processes?
The SMF9V0A-M3-08 uses the DO-219AB (SMF) package - a low-profile surface-mount outline measuring 3.9 × 1.9 × 1.08 mm with cathode marking. It is fully compatible with standard SMT processes including wave and reflow soldering, with peak reflow temperature support up to 260 °C and MSL level 1 moisture sensitivity rating. Its footprint aligns with SOD-123W, enabling drop-in replacement in many existing designs.
How does the SMF9V0A-M3-08 compare to the SMF5V0A-M3-08 in terms of voltage ratings and application scope?
The SMF9V0A-M3-08 has a 9.0 V stand-off voltage (VRWM) and 10.0–11.2 V breakdown range, whereas the SMF5V0A-M3-08 is rated for 5.0 V VRWM and 6.4–7.1 V VBR. This makes the SMF9V0A-M3-08 appropriate for 9 V nominal systems like certain industrial sensors and LIN bus variants, while the SMF5V0A-M3-08 suits 3.3 V/5 V logic interfaces. Both share identical package, capacitance profile, and AEC-Q101 qualification, but their voltage thresholds define distinct application boundaries.
What is the typical junction capacitance of the SMF9V0A-M3-08, and why does it matter for high-speed interfaces?
The SMF9V0A-M3-08 exhibits 640 pF typical junction capacitance at 0 V and 1 MHz. While higher than ultra-low-capacitance arrays, this value is carefully optimized for robust ESD protection in moderate-speed interfaces such as USB 2.0 (480 Mbps) and industrial RS-485. It strikes a balance between clamping effectiveness and signal integrity - avoiding excessive rise-time distortion while delivering superior surge energy handling compared to sub-10 pF alternatives.
SMF9V0A-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):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 15.4V
- Current - Peak Pulse (10/1000µs):
- 13.5A
- Power - Peak Pulse:
- 200W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 640pF @ 1MHz
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-219AB (SMF)
SMF9V0A-M3-08 FAQ
1.How can I place an order for SMF9V0A-M3-08 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMF9V0A-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 SMF9V0A-M3-08 reliable?
The price and inventory of SMF9V0A-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 SMF9V0A-M3-08 is usually 5 days.
3.What payment methods are accepted for SMF9V0A-M3-08?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMF9V0A-M3-08 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMF9V0A-M3-08?
SMF9V0A-M3-08 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMF9V0A-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 SMF9V0A-M3-08?
For technical support, including SMF9V0A-M3-08 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMF9V0A-M3-08 requirements.
6.How does Aetrix verify that SMF9V0A-M3-08 is sourced from the original manufacturer or authorized distributors?
All SMF9V0A-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 SMF9V0A-M3-08 meets industry standards.
7.What is the process for return or replacement of SMF9V0A-M3-08?
All SMF9V0A-M3-08 units undergo pre-shipment inspection (PSI). If there is an issue with SMF9V0A-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 SMF9V0A-M3-08 part is unused and in its original packaging.
Return procedure for SMF9V0A-M3-08:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMF9V0A-M3-08 Tags
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