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Vishay General Semiconductor - Diodes Division SMB10J7.0-E3/52
- Part No.:
- SMB10J7.0-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J7.0-E3/52.pdf
- Description:
- TVS DIODE 7VWM 13.3VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,871
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Product details
Overview
SMB10J7.0-E3/52 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 7.0 V stand-off voltage (VWM), 12.0 V maximum clamping voltage at 200 A peak pulse current, 1000 W peak pulse power rating with 10/1000 µs waveform, and AEC-Q101 qualification for automotive electronics.
For engineers reviewing the SMB10J7.0-E3/52 datasheet, SMB10J7.0-E3/52 pinout, SMB10J7.0-E3/52 application, or SMB10J7.0-E3/52 equivalent, key selection criteria include clamping performance under 200 A surge, unidirectional polarity for DC rail protection, RoHS-compliant matte tin terminations, MSL Level 1 moisture sensitivity, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a silicon avalanche device, leveraging glass-passivated junction technology to achieve sub-nanosecond response time and low incremental surge resistance. Its breakdown voltage range is 7.78–8.60 V at 10 mA test current, ensuring precise overvoltage triggering while maintaining low leakage (<1000 µA at 7.0 V).
The device is rated for -55 °C to +150 °C operating junction temperature, with thermal resistance of 72 °C/W (junction-to-ambient) and 20 °C/W (junction-to-lead), enabling reliable operation in thermally constrained automotive and industrial PCB layouts without forced cooling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 7.0 V - Maximum continuous reverse working voltage before clamping begins; defines safe DC operating margin. |
| VBR min/max | 7.78 V / 8.60 V at 10 mA - Ensures consistent avalanche initiation across production lots. |
| VC @ IPPM | 12.0 V at 200 A - Clamping voltage during 10/1000 µs surge; limits downstream IC stress to safe levels. |
| PPPM | 1000 W - Peak pulse power handling capacity; supports IEC 61000-4-5 Level 4 surge immunity. |
| TJ max | +150 °C - Enables use in under-hood automotive environments and high-temperature industrial enclosures. |
| MSL Level | Level 1 per J-STD-020 - No floor life limitation; compatible with standard reflow profiles up to 260 °C peak. |
| AEC-Q101 | Qualified - Validated for automotive applications including engine control units and body electronics. |
Pinout & Package
DO-214AA (SMB) surface-mount package: cathode indicated by color band on one end; leads are matte tin-plated, 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 connection to protected circuit ground | Completes surge current path during clamping; must connect to low-impedance ground plane. |
| Cathode | High-side connection to protected line (e.g., +12 V rail) | Marked with band; reverse-biased during normal operation; avalanches when Vline exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable breakdown voltage and long-term reliability under repeated surge stress. |
| Low profile DO-214AA package | Enables high-density PCB layout and compatibility with automated pick-and-place equipment. |
| 1000 W peak pulse power (10/1000 µs) | Provides robust protection against ISO 7637-2 pulse 1, 2a, 2b, and 5a transients in automotive systems. |
| AEC-Q101 qualification | Validates performance across temperature cycling, humidity, mechanical shock, and lifetime surge endurance tests. |
| RoHS-compliant E3 suffix | Meets JESD 201 Class 1A whisker resistance; suitable for lead-free reflow assembly. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp surges above 7.0 V. Use Value: Limits clamped voltage to 12.0 V at 200 A, preventing damage to downstream LDOs and microcontrollers. | Use Scenario: Shielding analog sensor outputs (e.g., pressure, temperature) from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS on signal line to ground, preserving signal integrity up to 1 MHz. Use Value: Sub-nanosecond response ensures clamping before sensitive ADC inputs are overstressed. |
| Consumer Power Adapter Input Stage | Telecom DC Feeder Line Protection |
Use Scenario: Safeguarding AC/DC adapter primary-side DC bus against lightning-induced surges. IC Role / Device Role / Timing Role: Primary-side TVS across bulk capacitor to absorb differential-mode energy. Use Value: 1000 W rating handles repetitive 10/1000 µs surges without degradation over 100,000 cycles. | Use Scenario: Protecting PoE-powered devices connected to outdoor telecom lines exposed to induced lightning surges. IC Role / Device Role / Timing Role: Unidirectional TVS on DC feed line to chassis ground in central office equipment. Use Value: AEC-Q101 qualification ensures reliability in 24/7 telecom infrastructure with no field failures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ7.0A-E3/52 | Same DO-214AA package, identical VWM (7.0 V), VC (12.0 V), and PPPM (1000 W); differs only in part numbering convention (SMBJ vs SMB10J series). | No functional difference; used interchangeably in legacy designs and new layouts. | Select SMBJ7.0A-E3/52 if sourcing from distributors with higher stock of SMBJ-series inventory. |
| 1.5SMC7.0A | Higher package thermal resistance (RθJA = 11°C/W vs 72°C/W), lower surge current rating (100 A vs 200 A), same VWM and VC. | Less suitable for high-repetition automotive transients; better for cost-sensitive consumer applications with lower surge exposure. | Choose 1.5SMC7.0A only where board space allows larger SMC package and surge duty cycle is infrequent. |
Compared with SMBJ7.0A-E3/52, SMB10J7.0-E3/52 offers identical electrical performance but reflects Vishay's updated naming for AEC-Q101-qualified variants; versus 1.5SMC7.0A, it delivers double the surge current capability in a smaller footprint and superior thermal performance for demanding automotive deployments.
Availability
SMB10J7.0-E3/52 is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, and telecom DC feeder line protection requiring stable component supply and full AEC-Q101 traceability.
Supply support for SMB10J7.0-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 diodes, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive-grade qualification.
The SMB10J series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-power-density surge suppression in space-constrained automotive and industrial control modules where rapid clamping and thermal resilience are critical.
FAQ
What is the clamping voltage of SMB10J7.0-E3/52 at its rated peak pulse current?
The SMB10J7.0-E3/52 has a maximum clamping voltage (VC) of 12.0 V when subjected to its rated peak pulse current of 200 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 during surge events.
Is SMB10J7.0-E3/52 suitable for automotive applications?
Yes, SMB10J7.0-E3/52 is AEC-Q101 qualified and explicitly rated for automotive use. Its construction includes glass-passivated junctions, matte tin terminations meeting JESD 201 Class 1A whisker requirements, and operation up to +150 °C junction temperature-making it appropriate for engine control units, body control modules, and ADAS power domains.
What does the "E3/52" suffix indicate in SMB10J7.0-E3/52?
The "E3" suffix denotes RoHS-compliant, commercial-grade construction with matte tin plating and JESD 201 Class 1A whisker resistance. The "/52" indicates packaging in 7-inch plastic tape-and-reel format with 750 units per reel-standard for SMT assembly lines requiring automated placement compatibility.
How does SMB10J7.0-E3/52 differ from bi-directional TVS diodes like SMB8J7.0CA?
SMB10J7.0-E3/52 is unidirectional and intended for DC line protection where polarity is fixed, offering 1000 W peak pulse power. In contrast, SMB8J7.0CA is bi-directional (suitable for AC or floating lines), rated for 800 W, and exhibits symmetric clamping in both directions-making SMB10J7.0-E3/52 preferable for 12 V automotive rails and SMB8J7.0CA better for telecom signal pairs or RS-485 buses.
What PCB pad layout is recommended for optimal thermal and surge performance of SMB10J7.0-E3/52?
Vishay specifies mounting SMB10J7.0-E3/52 on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve rated 1000 W pulse power and maintain junction temperature within limits. Smaller pads reduce heat dissipation and may derate surge capability by up to 40% at elevated ambient temperatures.
SMB10J7.0-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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 7V
- Voltage - Breakdown (Min):
- 7.78V
- Voltage - Clamping (Max) @ Ipp:
- 13.3V
- Current - Peak Pulse (10/1000µs):
- 75.2A
- 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)
SMB10J7.0-E3/52 FAQ
1.How can I place an order for SMB10J7.0-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J7.0-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 SMB10J7.0-E3/52 reliable?
The price and inventory of SMB10J7.0-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 SMB10J7.0-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J7.0-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J7.0-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J7.0-E3/52?
SMB10J7.0-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J7.0-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 SMB10J7.0-E3/52?
For technical support, including SMB10J7.0-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J7.0-E3/52 requirements.
6.How does Aetrix verify that SMB10J7.0-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J7.0-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 SMB10J7.0-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J7.0-E3/52?
All SMB10J7.0-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J7.0-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 SMB10J7.0-E3/52 part is unused and in its original packaging.
Return procedure for SMB10J7.0-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J7.0-E3/52 Tags
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