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Vishay General Semiconductor - Diodes Division SMB10J6.5A-E3/52
- Part No.:
- SMB10J6.5A-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J6.5A-E3/52.pdf
- Description:
- TVS DIODE 6.5VWM 11.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMB10J6.5A-E3/52 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 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 89.3 A peak pulse current (IPPM), and 1000 W peak pulse power (PPPM) with 10/1000 µs waveform - deployed in automotive ECUs, industrial sensor interfaces, and power supply input stages.
For engineers reviewing the SMB10J6.5A-E3/52 datasheet, SMB10J6.5A-E3/52 pinout, SMB10J6.5A-E3/52 application, or SMB10J6.5A-E3/52 equivalent, key selection criteria include clamping performance under 89.3 A surge, unidirectional polarity with cathode band marking, AEC-Q101 qualification status, RoHS-compliant E3 suffix, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This device operates as a silicon avalanche diode, leveraging glass-passivated junction technology to achieve sub-nanosecond response time and low incremental surge resistance. Its clamping behavior follows IEEE C62.35 standards, with thermal resistance RθJA = 72 °C/W and RθJL = 20 °C/W enabling reliable operation up to TJ = 150 °C.
The SMB10J6.5A-E3/52 is rated for non-repetitive 100 A forward surge current (IFSM) and exhibits ≤1000 µA reverse leakage at VWM, supporting stable DC bias integrity in protected circuits. It meets MSL Level 1 per J-STD-020 and is qualified to AEC-Q101 for automotive under-hood applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.5 V - Maximum continuous reverse operating voltage before significant leakage; sets upper limit for protected line's nominal DC voltage. |
| VBR min/max | 7.22 V / 7.98 V at IT = 10 mA - Ensures predictable avalanche initiation across manufacturing lot and temperature range. |
| VC @ IPPM | 11.2 V at 89.3 A - Clamped voltage during 10/1000 µs surge; defines maximum stress imposed on downstream ICs. |
| PPPM | 1000 W - Peak surge energy handling capacity; enables protection against IEC 61000-4-5 Level 4 surges when properly mounted. |
| IPPM | 89.3 A - Peak current capability with 10/1000 µs waveform; determines minimum trace width and PCB pad sizing for robust layout. |
| TJ max | +150 °C - Maximum junction temperature; supports operation in engine control units and industrial motor drives. |
| AEC-Q101 | Qualified - Validated for automotive reliability including temperature cycling, HTRB, and ESD; required for ASIL-B/C subsystems. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002. Cathode indicated by color band at one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line (e.g., GND or return path); conducts during positive surge events. |
| Cathode | Avalanche clamping terminal | Marked with band; connected to higher-potential side (e.g., VIN or signal line); initiates clamping when reverse voltage exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure. |
| MSL Level 1 rating | Allows unlimited floor life and reflow at 260 °C peak without preconditioning - simplifies SMT manufacturing flow. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (<1 ns response), critical for protecting sensitive gate drivers. |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body electronics, and ADAS modules requiring zero-defect field performance. |
| RoHS-compliant E3 suffix | Meets EU Directive 2011/65/EU and JESD201 Class 2 whisker resistance - ensures compliance in global OEM BOMs. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Clamp |
|---|---|
|
Use Scenario: 12 V battery rail in engine control unit exposed to load dump (ISO 16750-2) and jump-start spikes. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VBAT and GND to clamp surges above 11.2 V while maintaining 6.5 V system operating margin. Use Value: Limits downstream regulator and MCU input stress to safe levels during 35 V/100 ms load dump events without derating. |
Use Scenario: Analog output line (0–5 V) from pressure sensor in factory automation PLC module. IC Role / Device Role / Timing Role: TVS positioned at connector interface to absorb ESD (IEC 61000-4-2 ±8 kV contact) and inductive switching noise from nearby solenoids. Use Value: Prevents sensor ADC saturation and latch-up by clamping transients to ≤11.2 V within <1 ns, preserving measurement accuracy. |
| DC-DC Converter Input Stage | USB Port VBUS Surge Suppression |
|
Use Scenario: 24 V input to isolated flyback converter powering safety-critical logic in medical equipment. IC Role / Device Role / Timing Role: Primary-side TVS on input capacitor node to absorb line transients before they reach primary FET gate driver. Use Value: Absorbs 1000 W surges without failure, preventing MOSFET avalanche failure and ensuring >100,000-cycle surge endurance. |
Use Scenario: VBUS line of USB 2.0 port in automotive infotainment head unit subject to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Unidirectional TVS between VBUS and GND, upstream of USB switch IC, to protect against ±15 kV ESD per IEC 61000-4-2. Use Value: Maintains <1000 µA leakage at 5 V, avoiding false disconnect detection while clamping ESD to <11.2 V at 30 A peak. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.5A-E3/52 | Same VWM (6.5 V), but lower PPPM (600 W) and IPPM (62.2 A); identical SMB package and AEC-Q101 qualification. | Not suitable for 1000 W surge environments (e.g., load dump); limited to lower-energy ESD and switching noise. | Select SMBJ6.5A-E3/52 only when system-level surge testing confirms ≤600 W requirement and cost optimization is prioritized. |
| SMCJ6.5A-E3/52 | Same VWM and VBR, but larger SMC (DO-214AB) package; higher PPPM (1500 W), IPPM (132 A), and RθJA = 40 °C/W. | Requires larger PCB footprint and different pad layout; better thermal performance for sustained surge duty cycles. | Choose SMCJ6.5A-E3/52 when thermal management is constrained or when system must pass ISO 7637-2 Pulse 5a with margin. |
Compared with SMBJ6.5A-E3/52, the SMB10J6.5A-E3/52 delivers 67% higher surge power handling in the same SMB footprint; versus SMCJ6.5A-E3/52, it trades 50% lower thermal resistance for 30% smaller board area - making it optimal for space-constrained automotive modules needing full 1000 W capability.
Availability
SMB10J6.5A-E3/52 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and DC-DC converter input protection requiring stable component supply with AEC-Q101 assurance and RoHS compliance.
Supply support for SMB10J6.5A-E3/52 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 high-reliability diodes, MOSFETs, and passive components for automotive, industrial, and computing markets.
The SMB10J series is engineered specifically for high-power-density transient suppression in space-constrained automotive and industrial systems, balancing 1000 W surge capability with MSL Level 1 manufacturability and AEC-Q101 validation.
FAQ
What is the clamping voltage of SMB10J6.5A-E3/52 at its rated peak pulse current?
The SMB10J6.5A-E3/52 has a maximum clamping voltage (VC) of 11.2 V at its rated peak pulse current (IPPM) of 89.3 A using the standard 10/1000 µs waveform. This value is measured under defined test conditions per ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for downstream circuitry. The SMB10J6.5A-E3/52 maintains this clamping performance across its specified operating temperature range.
Is SMB10J6.5A-E3/52 qualified for automotive applications?
Yes, SMB10J6.5A-E3/52 is AEC-Q101 qualified, confirming its reliability for automotive use cases including engine control, body electronics, and ADAS modules. The "HE3" variant carries explicit AEC-Q101 certification, while the E3 suffix indicates RoHS compliance and commercial-grade qualification. The SMB10J6.5A-E3/52 meets MSL Level 1 and withstands thermal cycling, HTRB, and ESD stress per automotive requirements.
What does the "-E3/52" suffix mean in SMB10J6.5A-E3/52?
The "-E3/52" suffix denotes RoHS-compliant packaging (E3) and tape-and-reel delivery in 7-inch diameter reels containing 750 units (52). The E3 designation confirms compliance with EU Directive 2011/65/EU and JESD201 Class 2 whisker resistance. The SMB10J6.5A-E3/52 is supplied in plastic carrier tape compatible with standard high-speed pick-and-place equipment.
How does SMB10J6.5A-E3/52 differ from bidirectional variants like SMB8J6.5CA?
The SMB10J6.5A-E3/52 is unidirectional, with polarity marked by a cathode band and optimized for DC line protection where reverse conduction is not required. In contrast, SMB8J6.5CA is bidirectional, lacks polarity marking, and clamps both positive and negative transients - suited for AC or differential signal lines. The SMB10J6.5A-E3/52 offers higher PPPM (1000 W vs. 800 W) and is rated for 100 A IFSM, unlike bidirectional types.
What PCB layout guidance applies to SMB10J6.5A-E3/52 for optimal surge performance?
For optimal surge performance, mount SMB10J6.5A-E3/52 on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal, as specified in Vishay's datasheet Figure 2 derating curve. Minimize trace inductance by placing the device directly at the protected entry point, using short, wide traces to GND and VIN. Avoid vias in current paths and ensure solid internal ground planes beneath the SMB10J6.5A-E3/52 footprint to maximize thermal dissipation and clamping fidelity.
SMB10J6.5A-E3/52 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- 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):
- 89.3A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J6.5A-E3/52 FAQ
1.How can I place an order for SMB10J6.5A-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J6.5A-E3/52 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 SMB10J6.5A-E3/52 reliable?
The price and inventory of SMB10J6.5A-E3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J6.5A-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J6.5A-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J6.5A-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J6.5A-E3/52?
SMB10J6.5A-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J6.5A-E3/52 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 SMB10J6.5A-E3/52?
For technical support, including SMB10J6.5A-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J6.5A-E3/52 requirements.
6.How does Aetrix verify that SMB10J6.5A-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J6.5A-E3/52 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 SMB10J6.5A-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J6.5A-E3/52?
All SMB10J6.5A-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J6.5A-E3/52, 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 SMB10J6.5A-E3/52 part is unused and in its original packaging.
Return procedure for SMB10J6.5A-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J6.5A-E3/52 Tags
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