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Vishay General Semiconductor - Diodes Division SMBG6.5A-M3/5B
- Part No.:
- SMBG6.5A-M3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG6.5A-M3/5B.pdf
- Description:
- TVS DIODE 6.5VWM 11.2VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,470
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Product details
Overview
SMBG6.5A-M3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMBG (DO-215AA) package, designed for robust overvoltage protection of sensitive electronics. It features 6.5 V stand-off voltage (VWM), 7.22–7.98 V breakdown voltage (VBR) at 10 mA, 11.2 V clamping voltage (VC) at 53.6 A peak pulse current, and 600 W peak pulse power rating with 10/1000 μs waveform - deployed on power rails and signal lines in automotive ECUs and industrial sensor interfaces.
For engineers reviewing the SMBG6.5A-M3/5B datasheet, SMBG6.5A-M3/5B pinout, SMBG6.5A-M3/5B application, or SMBG6.5A-M3/5B equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, halogen-free RoHS compliance (M3 suffix), 150 °C max junction temperature, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a clamping device that remains high-impedance below 6.5 V and rapidly transitions to low-impedance conduction above its 7.22–7.98 V breakdown threshold. Its glass-passivated junction ensures stable leakage (< 800 μA at VWM) and fast response time (< 1 ns), enabling suppression of ESD, lightning-induced surges, and inductive switching transients.
The SMBG6.5A-M3/5B delivers 53.6 A peak pulse current under standardized 10/1000 μs waveform conditions, with clamping limited to 11.2 V - critical for protecting 5 V logic interfaces and MOSFET gate drivers without exceeding safe voltage margins. Thermal resistance is 100 °C/W (junction-to-ambient) and 20 °C/W (junction-to-lead), supporting reliable operation up to 150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.5 V - maximum continuous reverse operating voltage before clamping begins; sets protection threshold for 5 V systems. |
| VBR (min/max) | 7.22 V / 7.98 V at 10 mA - verified breakdown range ensures consistent turn-on across production lots. |
| VC @ IPPM | 11.2 V at 53.6 A - clamping voltage limits downstream IC stress during surge events. |
| PPPM | 600 W - peak pulse power handling capability with 10/1000 μs waveform and 0.01 % duty cycle. |
| IFSM | 100 A - non-repetitive forward surge current rating for 8.3 ms half-sine wave, relevant for inrush or fault conditions. |
| TJ max | 150 °C - maximum junction temperature enables use in under-hood automotive and high-temperature industrial environments. |
| Package | SMBG (DO-215AA) - surface-mount package with 0.235–0.255 inch body length, optimized for automated placement and thermal dissipation via copper pads. |
Pinout & Package
SMBG6.5A-M3/5B uses the SMBG (DO-215AA) package: a surface-mount, gull-wing leaded case with cathode band marking. The device has two terminals - anode and cathode - with polarity indicated by a band on the cathode end. Mounting requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal for rated power dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Protected circuit return path | Connected to ground or low-impedance reference; conducts surge current to ground when VIN exceeds VBR. |
| Anode | Input line connection | Connected to the line being protected (e.g., 5 V rail or sensor output); blocks reverse current below VWM. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, body electronics, and ADAS sensor protection. |
| Halogen-free, RoHS compliant (M3 suffix) | Meets environmental compliance requirements for industrial and automotive OEM supply chains. |
| 600 W peak pulse power (10/1000 μs) | Provides robust immunity against ISO 7637-2 Pulse 1, 2a, 3a/b, and IEC 61000-4-5 surge events. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast transients, improving clamping precision for 5 V logic-level interfaces. |
| MSL Level 1 (J-STD-020) | Supports standard reflow profiles up to 260 °C peak without preconditioning, simplifying manufacturing. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 5 V power distribution networks in engine control units (ECUs) against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between VCC and chassis ground to limit transient overvoltage. Use Value: Clamps surges to ≤11.2 V, preventing damage to microcontrollers and CAN transceivers while maintaining system uptime. | Use Scenario: Safeguarding analog outputs of pressure/temperature sensors in factory automation PLC modules. IC Role / Device Role / Timing Role: Standoff protector on 4–20 mA or 0–10 V signal lines exposed to EMI and cable coupling transients. Use Value: Sub-1 ns response and <800 μA leakage at 6.5 V preserve signal integrity and measurement accuracy in precision sensing. |
| Consumer USB Port ESD Protection | Telecom DC Power Input Protection |
Use Scenario: Secondary-level ESD protection on VBUS lines of USB 2.0 host ports in set-top boxes and smart displays. IC Role / Device Role / Timing Role: Fast-clamping unidirectional suppressor placed upstream of USB power switches and LDOs. Use Value: Withstands ±15 kV contact discharge (IEC 61000-4-2) while limiting clamped voltage to 11.2 V, avoiding latch-up in USB PHY ICs. | Use Scenario: Surge protection on -48 V DC input of telecom base station power supplies. IC Role / Device Role / Timing Role: Primary transient suppressor on rectified DC bus prior to DC/DC converters and monitoring circuits. Use Value: 600 W pulse rating and 100 A surge current capability absorb lightning-induced surges per IEC 61000-4-5 Level 4. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBG6.5A-E3/5B | Same electrical specs; RoHS-compliant but not halogen-free (E3 vs M3). | Approved for industrial-grade use only; not qualified for automotive AEC-Q101 applications. | Select SMBG6.5A-M3/5B when halogen-free compliance and automotive qualification are required. |
| SMBG6.5AHE3/5B | Identical electrical specs; includes AEC-Q101 qualification and RoHS compliance (HE3 suffix). | Same automotive suitability as SMBG6.5A-M3/5B but lacks halogen-free certification. | Choose SMBG6.5A-M3/5B where both AEC-Q101 and halogen-free material compliance are mandatory. |
Compared with SMBG6.5A-E3/5B and SMBG6.5AHE3/5B, the SMBG6.5A-M3/5B uniquely satisfies halogen-free, RoHS-compliant, and AEC-Q101-qualified requirements simultaneously - making it the only option for Tier 1 automotive suppliers requiring full material and reliability traceability.
Availability
SMBG6.5A-M3/5B is available at Aetrix Electronics and suitable for automotive ECU design, industrial sensor interface development, and telecom power supply protection requiring stable component supply and long-term lifecycle assurance.
Supply support for SMBG6.5A-M3/5B 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, power efficiency, and automotive-grade qualification.
The SMBG series is engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where AEC-Q101 validation, thermal robustness, and precise clamping performance are essential.
FAQ
What is the clamping voltage of SMBG6.5A-M3/5B and how is it measured?
The SMBG6.5A-M3/5B has a maximum clamping voltage (VC) of 11.2 V, measured at 53.6 A peak pulse current using the standardized 10/1000 μs double-exponential waveform. This value is guaranteed per Vishay's datasheet (Document Number: 88456, Rev. 09-Jan-2024) and reflects worst-case voltage seen by downstream circuitry during surge events - critical for ensuring compatibility with 5 V logic interfaces.
Is SMBG6.5A-M3/5B suitable for automotive applications?
Yes, SMBG6.5A-M3/5B is AEC-Q101 qualified and explicitly rated for automotive use per Vishay's documentation. Its 150 °C maximum junction temperature, MSL Level 1 reflow compatibility, and halogen-free construction meet Tier 1 supplier requirements for engine control, body electronics, and ADAS sensor protection - confirmed in the "MECHANICAL DATA" and "RATINGS AND CHARACTERISTICS" sections of the SMBG5.0A–SMBG188CA datasheet.
What does the "M3" suffix mean in SMBG6.5A-M3/5B?
The "M3" suffix in SMBG6.5A-M3/5B indicates halogen-free, RoHS-compliant, industrial-grade construction per Vishay's ordering nomenclature. Unlike E3 (RoHS only) or HM3 (AEC-Q101 + halogen-free), M3 provides RoHS compliance and halogen-free materials without AEC-Q101 qualification - making it appropriate for industrial and commercial applications requiring green material compliance.
How does SMBG6.5A-M3/5B compare to SMBG6.5AHE3/5B?
SMBG6.5A-M3/5B and SMBG6.5AHE3/5B share identical electrical parameters (VWM, VBR, VC, PPPM) and AEC-Q101 qualification, but differ in material compliance: M3 is halogen-free while HE3 is not. Both are RoHS-compliant and automotive-qualified, but SMBG6.5A-M3/5B meets stricter environmental mandates for halogen-free PCB assembly in regulated markets.
What is the recommended PCB pad layout for SMBG6.5A-M3/5B?
Vishay specifies mounting SMBG6.5A-M3/5B on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve rated 600 W pulse power dissipation. Pad dimensions and thermal relief must follow DO-215AA outline drawings (Document 88456, page 5), and solder profile must comply with J-STD-020 MSL Level 1, peaking at 260 °C - validated for reliable thermal performance and mechanical attachment in production SMT lines.
SMBG6.5A-M3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AA, SMB Gull Wing
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.5V
- Voltage - Breakdown (Min):
- 7.22V
- Voltage - Clamping (Max) @ Ipp:
- 11.2V
- Current - Peak Pulse (10/1000µs):
- 53.6A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBG)
SMBG6.5A-M3/5B FAQ
1.How can I place an order for SMBG6.5A-M3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG6.5A-M3/5B 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 SMBG6.5A-M3/5B reliable?
The price and inventory of SMBG6.5A-M3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG6.5A-M3/5B is usually 5 days.
3.What payment methods are accepted for SMBG6.5A-M3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG6.5A-M3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG6.5A-M3/5B?
SMBG6.5A-M3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG6.5A-M3/5B 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 SMBG6.5A-M3/5B?
For technical support, including SMBG6.5A-M3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG6.5A-M3/5B requirements.
6.How does Aetrix verify that SMBG6.5A-M3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG6.5A-M3/5B 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 SMBG6.5A-M3/5B meets industry standards.
7.What is the process for return or replacement of SMBG6.5A-M3/5B?
All SMBG6.5A-M3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG6.5A-M3/5B, 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 SMBG6.5A-M3/5B part is unused and in its original packaging.
Return procedure for SMBG6.5A-M3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG6.5A-M3/5B Tags
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