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Vishay General Semiconductor - Diodes Division SM6T7V5AHM3/I
- Part No.:
- SM6T7V5AHM3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SM6T7V5AHM3/I.pdf
- Description:
- TVS DIODE 6.4VWM 11.3VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,697
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Product details
Overview
SM6T7V5AHM3/I from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on power and signal lines. It features a 7.13 V minimum breakdown voltage (VBR), 6.40 V standoff voltage (VWM), 11.3 V maximum clamping voltage at 53.0 A peak pulse current (10/1000 μs), and 600 W peak pulse power capability - deployed in automotive sensor protection and industrial I/O interface circuits.
For engineers reviewing the SM6T7V5AHM3/I datasheet, SM6T7V5AHM3/I pinout, SM6T7V5AHM3/I application, or SM6T7V5AHM3/I equivalent, key selection criteria include its AEC-Q101 qualification, halogen-free RoHS-compliant construction (HM3 suffix), low-inductance SMB package, and verified clamping performance under 10/1000 μs surge conditions per IEC 61000-4-5.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, optimized for fast response to ESD and lightning-induced surges. Its glass-passivated junction ensures stable breakdown characteristics, while MSL Level 1 rating and 260 °C lead-free reflow compatibility support automated SMT assembly.
The device delivers consistent clamping across -65 °C to +150 °C operating junction temperature range, with thermal resistance of 100 °C/W (junction-to-ambient) and 20 °C/W (junction-to-lead), enabling reliable operation in thermally constrained automotive and industrial PCB layouts without external heatsinking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min) | 7.13 V - Ensures reliable conduction onset above normal operating voltage in 12 V automotive systems |
| VWM | 6.40 V - Maximum continuous reverse voltage before leakage exceeds 500 μA, compatible with 5 V–6 V logic rails |
| VC @ IPPM | 11.3 V - Clamped voltage at 53.0 A peak pulse (10/1000 μs), protecting downstream MOSFETs and ICs from overvoltage damage |
| PPPM | 600 W - Peak surge power handling per IEC 61000-4-5, sufficient for Level 4 system-level ESD immunity |
| TJ max | +150 °C - Enables use in under-hood automotive environments and high-temperature industrial enclosures |
| Package | SMB (DO-214AA) - Standardized surface-mount outline with 5.59 mm × 4.06 mm footprint and 2.20 mm height for high-density layout |
Pinout & Package
SMB (DO-214AA) package with matte tin-plated leads; cathode identified by band marking on body end. Designed for 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad layout per JEDEC standard.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during forward conduction; grounded reference in unidirectional clamp configuration | Connected to circuit ground or low-impedance return path to enable effective transient shunting |
| Cathode | Current exit point during reverse-biased clamping; marked with band | Connected to protected line (e.g., CAN_H, LIN, sensor supply) to divert surge energy to ground |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan |
| Halogen-free & RoHS-compliant (HM3) | Meets IEC 61249-2-21 and JEDEC J-STD-203 requirements for green manufacturing and end-of-life compliance |
| 600 W peak pulse power (10/1000 μs) | Supports IEC 61000-4-5 surge immunity up to 4 kV (line-to-earth) in industrial control applications |
| Low clamping ratio (VC/VBR ≈ 1.59) | Minimizes overvoltage stress on protected ICs compared to higher-ratio TVS devices |
| MSL Level 1, 260 °C peak reflow | Enables single-pass lead-free reflow without moisture sensitivity concerns or baking requirements |
Applications
| Automotive Sensor Protection | Industrial I/O Interface |
|---|---|
Use Scenario: Protecting analog output lines of pressure/temperature sensors in engine control units exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS clamping element placed between sensor signal line and chassis ground. Use Value: Limits transient voltage to ≤11.3 V during 53 A surges, preserving ADC input integrity and preventing latch-up in microcontroller front-end circuitry. | Use Scenario: Safeguarding RS-485 transceiver data lines in factory automation PLC modules subjected to EFT bursts and surge coupling. IC Role / Device Role / Timing Role: Line-side transient suppressor mounted adjacent to connector entry point, referenced to local ground plane. Use Value: Clamps 10/1000 μs surges within 1 ns response time, maintaining signal integrity below receiver threshold and avoiding false triggering. |
| Consumer Power Adapter Input | Telecom DC Power Rail |
Use Scenario: Secondary-side overvoltage suppression on 5 V/9 V USB-C PD adapter outputs against capacitor discharge transients. IC Role / Device Role / Timing Role: Standoff-clamp TVS connected between VBUS and GND after DC-DC post-regulator. Use Value: Withstands 600 W peak pulses without degradation, ensuring sustained protection over >100,000 surge events per JEDEC JESD22-A114 lifetime spec. | Use Scenario: Primary protection on -48 V telecom power distribution boards against lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Unidirectional clamp on negative rail with anode tied to -48 V and cathode to system ground. Use Value: Maintains 6.40 V standoff while clamping to 11.3 V, compatible with -48 V ±10% nominal range and legacy telecom equipment voltage tolerances. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ7.5A | Same SMB package, 7.5 V VWM, 12.0 V VC @ 42 A; lower PPPM (400 W); non-AEC-Q101 | Commercial-grade only; not qualified for automotive under-hood use | Select when cost sensitivity outweighs AEC-Q101 requirement and surge levels remain ≤400 W |
| 1.5SMC7.5A | Higher-power SMC package (7.5 mm × 6.2 mm), same VWM/VC; 1500 W PPPM; larger footprint | Used where higher surge margin is required and board space allows larger package | Choose for industrial motor drives needing >600 W surge headroom and thermal derating margin |
Compared with SMAJ7.5A and 1.5SMC7.5A, SM6T7V5AHM3/I offers AEC-Q101 qualification and halogen-free compliance in the compact SMB outline, making it optimal for space-constrained automotive and green-design industrial applications where 600 W surge protection suffices.
Availability
SM6T7V5AHM3/I is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial I/O protection, and telecom DC power rail applications requiring stable component supply, long-term lifecycle assurance, and traceable green sourcing.
Supply support for SM6T7V5AHM3/I 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 General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, TVS devices, and optoelectronics with emphasis on reliability and application-specific performance.
The SM6T Series was developed specifically for robust, surface-mount transient suppression in automotive, industrial, and communications infrastructure - balancing high surge capability, small footprint, and AEC-Q101 compliance.
FAQ
What is the clamping voltage of SM6T7V5AHM3/I at its rated peak pulse current?
The SM6T7V5AHM3/I has a maximum clamping voltage (VC) of 11.3 V at 53.0 A peak pulse current (IPPM) under 10/1000 μs waveform conditions. This value is measured per Figure 1 in Vishay document 88385 and defines the upper voltage limit imposed on protected circuitry during surge events. The SM6T7V5AHM3/I maintains this clamping performance across its full operating temperature range.
Is SM6T7V5AHM3/I qualified for automotive applications?
Yes, SM6T7V5AHM3/I is AEC-Q101 qualified, as indicated by the "HM3" suffix denoting halogen-free, RoHS-compliant, and automotive-grade construction. It meets stress test requirements including temperature cycling, high-temperature reverse bias, and ESD per AEC-Q101 Rev D. The SM6T7V5AHM3/I is approved for use in engine control, body electronics, and ADAS sensor modules.
What does the "HM3" suffix mean in SM6T7V5AHM3/I?
The "HM3" suffix in SM6T7V5AHM3/I specifies halogen-free, RoHS-compliant construction with AEC-Q101 qualification. It distinguishes this variant from commercial-grade "M3" parts and confirms compliance with JEDEC J-STD-203 and IEC 61249-2-21. The SM6T7V5AHM3/I also passes JESD 201 Class 2 whisker testing and supports lead-free reflow up to 260 °C.
What is the standoff voltage (VWM) of SM6T7V5AHM3/I and how is it used in circuit design?
The SM6T7V5AHM3/I has a standoff voltage (VWM) of 6.40 V, representing the maximum continuous reverse voltage it can block without exceeding 500 μA leakage current. In design, VWM must exceed the normal operating voltage of the protected line - e.g., ≥10% margin above a 5.5 V rail - ensuring the SM6T7V5AHM3/I remains non-conductive during steady-state operation while responding instantly to transients.
How does SM6T7V5AHM3/I compare to bidirectional TVS diodes like SM6T7V5CAHM3/I?
The SM6T7V5AHM3/I is unidirectional and features polarity marking (cathode band), whereas SM6T7V5CAHM3/I is bidirectional with no polarity marking and symmetrical clamping in both directions. The SM6T7V5AHM3/I is suited for DC-coupled lines with defined ground reference; the CA version applies to AC-coupled or floating signal paths like Ethernet or USB differential pairs where polarity reversal occurs.
SM6T7V5AHM3/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- SM6T, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.4V
- Voltage - Breakdown (Min):
- 7.13V
- Voltage - Clamping (Max) @ Ipp:
- 11.3V
- Current - Peak Pulse (10/1000µs):
- 53A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SM6T7V5AHM3/I FAQ
1.How can I place an order for SM6T7V5AHM3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SM6T7V5AHM3/I 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 SM6T7V5AHM3/I reliable?
The price and inventory of SM6T7V5AHM3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SM6T7V5AHM3/I is usually 5 days.
3.What payment methods are accepted for SM6T7V5AHM3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM6T7V5AHM3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM6T7V5AHM3/I?
SM6T7V5AHM3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM6T7V5AHM3/I 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 SM6T7V5AHM3/I?
For technical support, including SM6T7V5AHM3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM6T7V5AHM3/I requirements.
6.How does Aetrix verify that SM6T7V5AHM3/I is sourced from the original manufacturer or authorized distributors?
All SM6T7V5AHM3/I 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 SM6T7V5AHM3/I meets industry standards.
7.What is the process for return or replacement of SM6T7V5AHM3/I?
All SM6T7V5AHM3/I units undergo pre-shipment inspection (PSI). If there is an issue with SM6T7V5AHM3/I, 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 SM6T7V5AHM3/I part is unused and in its original packaging.
Return procedure for SM6T7V5AHM3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SM6T7V5AHM3/I Tags
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