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Vishay General Semiconductor - Diodes Division SMBG6.5CHE3/5B
- Part No.:
- SMBG6.5CHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG6.5CHE3/5B.pdf
- Description:
- TVS DIODE 6.5VWM 12.3VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,064
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Product details
Overview
SMBG6.5CHE3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-215AA (SMBG) 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 SMBG6.5CHE3/5B datasheet, SMBG6.5CHE3/5B pinout, SMBG6.5CHE3/5B application, or SMBG6.5CHE3/5B equivalent, key selection criteria include its AEC-Q101 qualification, 150 °C max junction temperature, low incremental surge resistance, and RoHS-compliant matte tin-plated leads suitable for J-STD-002 soldering.
Technical Context
This TVS diode operates as a unidirectional clamping device, leveraging a glass-passivated silicon junction to achieve sub-nanosecond response time and stable clamping under repetitive transients. Its 600 W peak pulse power handling is specified with 10/1000 µs waveform at 0.01 % duty cycle, derated linearly above 25 °C ambient per Fig. 2 in the datasheet.
The SMBG6.5CHE3/5B exhibits 5.0 µA maximum reverse leakage at VWM, 100 A IFSM surge rating (8.3 ms half-sine), and thermal resistance of 100 °C/W (junction-to-ambient) on 0.2" × 0.2" copper pads - confirming suitability for high-reliability board-level surge suppression where layout-constrained thermal management is required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.5 V - Maximum continuous reverse operating voltage before clamping begins; sets upper limit for normal circuit operation. |
| VBR (min/max) | 7.22 V / 7.98 V at 10 mA - Confirmed breakdown range ensures reliable triggering without premature conduction. |
| VC @ IPPM | 11.2 V at 53.6 A - Clamping voltage during 600 W transient defines worst-case stress on protected downstream ICs. |
| PPPM | 600 W - Peak pulse power rating with 10/1000 µs waveform supports IEC 61000-4-5 Level 4 surge immunity compliance. |
| TJ max | +150 °C - Enables operation in under-hood automotive environments and sealed industrial enclosures. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan. |
| Package | DO-215AA (SMBG) - Surface-mount gull-wing package with 0.235"–0.255" body length; compatible with automated placement and reflow. |
Pinout & Package
DO-215AA (SMBG) package: surface-mount gull-wing leaded case with cathode band marking on one end; terminals are matte tin-plated for J-STD-002 solderability and JESD 22-B102 reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or low-impedance return path; conducts surge current to reference plane during clamping. |
| Cathode | High-side connection point | Connected to protected line (e.g., 5 V rail or CAN_H); polarity band identifies this terminal for correct PCB orientation. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Enables single-device protection against IEC 61000-4-5 surges up to 4 kV (open-circuit) without cascaded stages. |
| AEC-Q101 qualification | Validates long-term reliability in automotive applications including engine control, ADAS sensors, and infotainment power supplies. |
| Glass passivated junction | Ensures stable VBR and low leakage across temperature (-55 °C to +150 °C) and lifetime stress conditions. |
| MSL Level 1 (260 °C peak) | Supports standard Pb-free reflow profiles without moisture sensitivity concerns or baking requirements. |
| RoHS-compliant HE3 suffix | Indicates AEC-Q101 qualified variant with JESD 201 Class 2 whisker resistance for high-reliability solder joints. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Clamp |
|---|---|
|
Use Scenario: Protecting 5 V supply rails in engine control units exposed to load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between VIN and GND, triggered within <1 ns upon overvoltage event. Use Value: Limits transient voltage to ≤11.2 V, preventing latch-up or gate oxide damage in downstream MCU and analog front-end ICs. |
Use Scenario: Shielding analog output lines (e.g., 4–20 mA current loop) from ESD and inductive switching noise in factory automation PLCs. IC Role / Device Role / Timing Role: Fast-response shunt protector mounted at connector entry point, diverting >50 A pulses away from precision DACs and op-amps. Use Value: Maintains signal integrity by clamping transients before they propagate into 16-bit ADC input stages, reducing calibration drift risk. |
| Consumer USB Port Surge Suppression | Telecom Ethernet PHY Interface Guard |
|
Use Scenario: Safeguarding USB 2.0 VBUS and D+/D− lines in set-top boxes and smart displays against hot-plug ESD events. IC Role / Device Role / Timing Role: Discrete unidirectional TVS array element (used per-line), activated within nanoseconds of ±8 kV contact discharge. Use Value: Prevents permanent damage to USB transceivers while maintaining <0.5 pF junction capacitance to avoid signal integrity degradation. |
Use Scenario: Protecting RJ45 magnetics secondary side and PHY pins in enterprise VoIP phones subjected to lightning-induced surges. IC Role / Device Role / Timing Role: Primary clamping device on isolated DC bias lines feeding Ethernet magnetics, coordinated with common-mode chokes. Use Value: Absorbs 600 W surge energy without thermal runaway, preserving PHY IC functionality and avoiding link-down events during field deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.5AHE3/5B | Same VWM (6.5 V), but SMBJ package (DO-214AA); 10% higher VC (12.0 V @ 50 A), lower IPPM (50 A). | Higher clamping voltage reduces margin for 5 V logic; preferred where larger pad area allows better thermal dissipation. | Select SMBJ6.5AHE3/5B only if board layout accommodates larger DO-214AA footprint and system can tolerate 12.0 V clamping. |
| 1.5SMC6.8AHE3/A | Same VWM (6.8 V), but SMC package (DO-214AB); 600 W rating, but 13.4 V VC @ 44.8 A and 150 °C TJ max. | Higher clamping voltage limits use in 5 V systems; suited for 12 V rail protection where tighter VC tolerance is not critical. | Choose 1.5SMC6.8AHE3/A when existing SMC land pattern is fixed and 13.4 V clamping is acceptable for protected circuitry. |
Compared with SMBG6.5CHE3/5B, SMBJ6.5AHE3/5B offers identical electrical thresholds but less precise clamping, while 1.5SMC6.8AHE3/A trades lower cost for significantly higher VC - making SMBG6.5CHE3/5B optimal for space-constrained 5 V designs demanding tight clamping and AEC-Q101 assurance.
Availability
SMBG6.5CHE3/5B is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and consumer USB port surge suppression requiring stable component supply across production lifecycles.
Supply support for SMBG6.5CHE3/5B 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive-grade validation.
The SMBG series is engineered specifically for high-power transient suppression in space-constrained surface-mount applications, targeting AEC-Q101 compliance and robust performance under harsh thermal and electrical stress.
FAQ
What is the clamping voltage of SMBG6.5CHE3/5B and how is it measured?
The SMBG6.5CHE3/5B 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 represents the worst-case voltage seen by protected circuitry during a full-power transient event and is verified per ANSI/IEEE C62.35 test methodology.
Is SMBG6.5CHE3/5B suitable for automotive applications?
Yes, SMBG6.5CHE3/5B is AEC-Q101 qualified and explicitly rated for automotive use. Its 150 °C maximum junction temperature, glass-passivated junction, and MSL Level 1 reflow compatibility make it appropriate for engine control modules, body electronics, and ADAS sensor power conditioning circuits.
What does the "HE3" suffix indicate in SMBG6.5CHE3/5B?
The "HE3" suffix denotes that SMBG6.5CHE3/5B is RoHS-compliant and AEC-Q101 qualified, with JESD 201 Class 2 whisker resistance on matte tin-plated leads. It distinguishes this automotive-grade variant from commercial "E3" versions lacking AEC-Q101 validation.
How does SMBG6.5CHE3/5B differ from SMBG6.5A-E3/5B?
SMBG6.5CHE3/5B includes AEC-Q101 qualification and JESD 201 Class 2 whisker resistance, whereas SMBG6.5A-E3/5B is commercial-grade only. Both share identical electrical specs and DO-215AA packaging, but SMBG6.5CHE3/5B is certified for automotive and industrial mission-critical use.
What is the thermal resistance of SMBG6.5CHE3/5B and how does it affect layout?
SMBG6.5CHE3/5B has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" copper pads per terminal. To maintain safe operation under repetitive surges, PCB layout must provide adequate copper area and minimize trace impedance to ensure heat dissipation stays within the 150 °C TJ limit.
SMBG6.5CHE3/5B 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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 6.5V
- Voltage - Breakdown (Min):
- 7.22V
- Voltage - Clamping (Max) @ Ipp:
- 12.3V
- Current - Peak Pulse (10/1000µs):
- 48.8A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBG)
SMBG6.5CHE3/5B FAQ
1.How can I place an order for SMBG6.5CHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG6.5CHE3/5B 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 SMBG6.5CHE3/5B reliable?
The price and inventory of SMBG6.5CHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG6.5CHE3/5B is usually 5 days.
3.What payment methods are accepted for SMBG6.5CHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG6.5CHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG6.5CHE3/5B?
SMBG6.5CHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG6.5CHE3/5B 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 SMBG6.5CHE3/5B?
For technical support, including SMBG6.5CHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG6.5CHE3/5B requirements.
6.How does Aetrix verify that SMBG6.5CHE3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG6.5CHE3/5B 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 SMBG6.5CHE3/5B meets industry standards.
7.What is the process for return or replacement of SMBG6.5CHE3/5B?
All SMBG6.5CHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG6.5CHE3/5B, 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 SMBG6.5CHE3/5B part is unused and in its original packaging.
Return procedure for SMBG6.5CHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG6.5CHE3/5B Tags
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