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Vishay General Semiconductor - Diodes Division SM6T6V8AHE3_B/I
- Part No.:
- SM6T6V8AHE3_B/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SM6T6V8AHE3_B/I.pdf
- Description:
- 600W,6.8V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:6,556
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Product details
Overview
SM6T6V8AHE3_B/I from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, with 6.45 V minimum breakdown voltage (VBR), 5.80 V stand-off voltage (VWM), 10.5 V maximum clamping voltage (VC) at 57 A peak pulse current, and 600 W peak pulse power rating per 10/1000 μs waveform. It protects MOSFETs and ICs against inductive switching transients in automotive sensor signal lines.
For engineers reviewing the SM6T6V8AHE3_B/I datasheet, SM6T6V8AHE3_B/I pinout, SM6T6V8AHE3_B/I application, or SM6T6V8AHE3_B/I equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 150 °C max junction temperature, low clamping ratio (VC/VBR ≈ 1.63), and compatibility with automated SMT placement on standard PCB pad layouts.
Technical Context
This TVS diode operates as a clamping device in reverse-biased configuration, triggering when transient voltage exceeds VWM = 5.80 V and limiting downstream voltage to ≤10.5 V at 57 A. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1000 μA at VWM).
The SMB package delivers low parasitic inductance and meets MSL Level 1 (260 °C reflow peak), while AEC-Q101 qualification confirms suitability for automotive under-hood and ADAS sensor protection where reliability under thermal cycling and vibration is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR min/max | 6.45 V / 7.14 V at 10 mA test current - defines precise conduction onset for overvoltage clamping |
| VWM | 5.80 V - maximum continuous reverse voltage before leakage exceeds 1000 μA |
| VC @ IPPM | 10.5 V at 57 A (10/1000 μs) - limits protected circuit voltage during worst-case surge |
| PPPM | 600 W - peak transient energy absorption capability without failure |
| TJ max | +150 °C - enables operation in high-temperature automotive environments |
| Package | SMB (DO-214AA) - surface-mount footprint compatible with IPC-7351B standard pad layout |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HAST, and mechanical shock |
Pinout & Package
SMB (DO-214AA) package: cathode-band-marked unidirectional device with two terminals; matte tin-plated leads solderable per J-STD-002 and JESD 22-B102; meets UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or common return path; carries full surge current during clamping |
| Cathode | Protected line input | Connected to signal/power line being protected; marked by band; reverse-biased during normal operation |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures stable VBR tolerance (±5%) and low parameter drift over lifetime and temperature |
| 600 W peak pulse power | Withstands ISO 7637-2 Pulse 1/2a/5a transients in 12 V automotive systems without degradation |
| Low clamping voltage (10.5 V) | Protects 5 V logic interfaces and automotive CAN transceivers without violating absolute maximum ratings |
| AEC-Q101 qualification | Validates robustness for automotive applications including engine control, body electronics, and ADAS sensors |
| MSL Level 1 rating | Enables single-reflow assembly without moisture sensitivity concerns or baking requirements |
Applications
| Automotive Sensor Protection | Industrial PLC Input Protection |
|---|---|
Use Scenario: Protecting analog output lines of pressure/temperature sensors in engine bay environments subject to load dump and inductive kick. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between sensor output and microcontroller ADC input. Use Value: Limits transient voltage to 10.5 V, preventing latch-up or damage to 5 V-tolerant ADC front-end while maintaining signal integrity below VWM. | Use Scenario: Safeguarding 24 V digital input channels on programmable logic controllers exposed to relay coil flyback and ESD events. IC Role / Device Role / Timing Role: Standoff protection device connected across input terminal and common rail. Use Value: Clamps 600 W surges within 1 ns response time, preserving input conditioning circuitry and enabling reliable state detection under industrial noise. |
| Automotive Body Control Module | Consumer Appliance Motor Driver Protection |
Use Scenario: Shielding LIN bus transceiver pins and window lift motor driver outputs from battery reverse polarity and jump-start spikes. IC Role / Device Role / Timing Role: Unidirectional TVS mounted at connector interface with cathode tied to LIN line. Use Value: Withstands 150 °C ambient and passes AEC-Q101 stress tests, ensuring long-term reliability in sealed BCM enclosures. | Use Scenario: Suppressing commutation spikes from brushed DC motors in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Parallel-connected TVS across motor terminals to clamp inductive energy. Use Value: 600 W rating absorbs typical 20–50 mJ motor flyback energy without derating, extending driver MOSFET lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ6.8A-E3/5B | Same SMB package, VBR = 7.14–7.88 V, VC = 11.5 V @ 52 A, non-AEC-Q101 | Commercial-grade only; lacks automotive qualification and higher clamping voltage | Select when AEC-Q101 is not required and cost sensitivity outweighs clamping performance |
| 1.5SMC6.8A | Higher-power SMC package (1500 W), VBR = 7.14–7.88 V, VC = 11.5 V @ 130 A, same AEC-Q101 option available | Larger footprint; suited for higher-energy transients but incompatible with SMB board space | Choose when system-level surge testing requires >600 W margin and PCB layout allows SMC pad area |
Compared with SMAJ6.8A-E3/5B, SM6T6V8AHE3_B/I offers tighter VBR tolerance and automotive qualification; compared with 1.5SMC6.8A, it provides identical clamping performance in a 30% smaller footprint-critical for space-constrained automotive ECUs.
Availability
SM6T6V8AHE3_B/I is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC input hardening, and consumer appliance motor driver circuits requiring stable component supply with AEC-Q101 assurance and RoHS compliance.
Supply support for SM6T6V8AHE3_B/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, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The SM6T Series is designed specifically for robust transient voltage suppression in automotive, industrial, and computing systems-delivering high pulse power density, low clamping, and qualified reliability in compact SMB packages.
FAQ
What is the exact breakdown voltage range for SM6T6V8AHE3_B/I?
The SM6T6V8AHE3_B/I has a guaranteed breakdown voltage (VBR) range of 6.45 V to 7.14 V at 10 mA test current, measured per JEDEC standards. This tight ±5% tolerance ensures consistent clamping behavior across production lots and supports precise overvoltage threshold design in 5 V systems. The value is confirmed in Vishay's official datasheet revision 09-Jan-2024, Document Number 88385.
Is SM6T6V8AHE3_B/I suitable for automotive applications?
Yes, SM6T6V8AHE3_B/I is AEC-Q101 qualified and explicitly designated for automotive use with the "HE3" suffix. It undergoes stress testing for temperature cycling, humidity, mechanical shock, and high-temperature operating life per AEC-Q101 Rev G. Its 150 °C max junction temperature and MSL Level 1 rating make it appropriate for under-hood and body control module deployments where SM6T6V8AHE3_B/I must survive harsh thermal and vibrational environments.
What is the maximum clamping voltage of SM6T6V8AHE3_B/I and at what current?
The SM6T6V8AHE3_B/I has a maximum clamping voltage (VC) of 10.5 V when subjected to a 10/1000 μs transient pulse at 57 A peak current. This value is measured under standardized conditions per IEC 61000-4-5 and defines the upper voltage limit imposed on protected circuitry during surge events. The low VC ensures compatibility with 5 V logic interfaces and prevents overstress of downstream components like SM6T6V8AHE3_B/I's protected microcontrollers or transceivers.
Does SM6T6V8AHE3_B/I have bidirectional capability?
No, SM6T6V8AHE3_B/I is a unidirectional TVS diode, indicated by the "A" suffix and cathode band marking. Bidirectional variants in the SM6T family use the "CA" suffix (e.g., SM6T6V8CA). The unidirectional configuration of SM6T6V8AHE3_B/I provides lower leakage and sharper turn-on for DC-biased lines such as power rails or sensor outputs referenced to ground, unlike bidirectional types intended for AC or floating signal paths.
What packaging format does SM6T6V8AHE3_B/I ship in?
SM6T6V8AHE3_B/I ships in 13-inch diameter plastic tape and reel format, with a base quantity of 3200 units per reel (ordering code suffix "/I"). The device uses matte tin-plated leads compliant with J-STD-002 and JESD 22-B102, and its SMB (DO-214AA) package supports automated pick-and-place assembly without modification to standard SMT equipment settings for SM6T6V8AHE3_B/I handling.
SM6T6V8AHE3_B/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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5.8V
- Voltage - Breakdown (Min):
- 6.45V
- Voltage - Clamping (Max) @ Ipp:
- 10.5V
- Current - Peak Pulse (10/1000µs):
- 57A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SM6T6V8AHE3_B/I FAQ
1.How can I place an order for SM6T6V8AHE3_B/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SM6T6V8AHE3_B/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 SM6T6V8AHE3_B/I reliable?
The price and inventory of SM6T6V8AHE3_B/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SM6T6V8AHE3_B/I is usually 5 days.
3.What payment methods are accepted for SM6T6V8AHE3_B/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM6T6V8AHE3_B/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM6T6V8AHE3_B/I?
SM6T6V8AHE3_B/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM6T6V8AHE3_B/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 SM6T6V8AHE3_B/I?
For technical support, including SM6T6V8AHE3_B/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM6T6V8AHE3_B/I requirements.
6.How does Aetrix verify that SM6T6V8AHE3_B/I is sourced from the original manufacturer or authorized distributors?
All SM6T6V8AHE3_B/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 SM6T6V8AHE3_B/I meets industry standards.
7.What is the process for return or replacement of SM6T6V8AHE3_B/I?
All SM6T6V8AHE3_B/I units undergo pre-shipment inspection (PSI). If there is an issue with SM6T6V8AHE3_B/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 SM6T6V8AHE3_B/I part is unused and in its original packaging.
Return procedure for SM6T6V8AHE3_B/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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