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Vishay General Semiconductor - Diodes Division SMB10J5.0A-E3/52
- Part No.:
- SMB10J5.0A-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J5.0A-E3/52.pdf
- Description:
- TVS DIODE 5VWM 9.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMB10J5.0A-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 5.0 V DC power rails and signal lines. It delivers 1000 W peak pulse power (10/1000 µs), clamps transients to ≤9.2 V at 108.7 A, and features 6.4–7.07 V breakdown voltage at 10 mA test current - ideal for protecting automotive sensor interfaces and industrial I/O circuits.
For engineers reviewing the SMB10J5.0A-E3/52 datasheet, SMB10J5.0A-E3/52 pinout, SMB10J5.0A-E3/52 application, or SMB10J5.0A-E3/52 equivalent, key selection criteria include its AEC-Q101 qualification, low clamping voltage (VC = 9.2 V), unidirectional polarity with cathode band marking, and compatibility with automated SMT placement on standard 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a clamping device that enters avalanche conduction when reverse voltage exceeds its breakdown range (6.4–7.07 V), limiting transient energy by diverting surge current away from protected ICs. Its glass-passivated junction ensures stable leakage (<1000 µA at VWM = 5.0 V) and fast response time (<1 ns), critical for safeguarding MOSFET gates and microcontroller I/O pins.
The SMB10J5.0A-E3/52 is rated for TJ = –55 °C to +150 °C, supports 100 A non-repetitive forward surge current (8.3 ms half-sine), and exhibits RθJA = 72 °C/W - requiring thermal-aware PCB layout with minimum 0.2" × 0.2" copper pads per terminal to sustain full 1000 W rating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Maximum continuous reverse operating voltage before significant leakage; defines safe DC rail voltage ceiling. |
| VBR min/max | 6.40 V / 7.07 V at IT = 10 mA - Ensures reliable turn-on margin above 5.0 V nominal supply while avoiding false triggering. |
| VC @ IPPM | 9.2 V at 108.7 A (10/1000 µs) - Clamping voltage seen by protected circuit during worst-case surge; limits stress on downstream 5 V logic. |
| PPPM | 1000 W - Peak surge energy handling capacity; enables robust protection against ISO 7637-2 Pulse 1/2a/5a in automotive environments. |
| ID @ VWM | ≤1000 µA - Low leakage preserves battery life in always-on systems and avoids loading sensitive analog sensors. |
| Package | SMB (DO-214AA) - Surface-mount footprint (4.57 mm × 3.94 mm × 2.20 mm) compatible with J-STD-020 MSL Level 1 reflow. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC specification. |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case with matte tin-plated leads; cathode indicated by color band on one end. Mounting requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal for full power derating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection to protected circuit ground or return path | Connected to system GND or signal reference; carries full surge current during clamping event. |
| Cathode | High-side connection to protected line (e.g., 5 V rail or signal) | Marked with color band; ties to input side of protected node; voltage referenced to anode during avalanche. |
Key Features
| Feature | Design Value |
|---|---|
| 1000 W peak pulse power (10/1000 µs) | Enables single-device protection against severe load-dump and inductive switching transients in 12 V automotive systems. |
| Clamping voltage ≤9.2 V at 108.7 A | Keeps protected 5 V logic below absolute maximum ratings even under 1000 W surge conditions. |
| Glass passivated junction | Ensures long-term parameter stability and low leakage drift across temperature and lifetime stress. |
| AEC-Q101 qualified (HE3 suffix variant) | Validates suitability for automotive applications including engine control, body electronics, and ADAS sensor modules. |
| MSL Level 1, 260 °C peak reflow | Supports lead-free assembly without pre-baking; compatible with standard SMT production lines. |
Applications
| Automotive Sensor Interface | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting CAN/LIN transceiver inputs and analog sensor outputs (e.g., pressure, temperature) from ESD and load dump in vehicle ECUs. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between sensor signal line and ground, activated within <1 ns of overvoltage event. Use Value: Prevents latch-up or permanent damage to 5 V tolerant transceivers by limiting transient voltage to ≤9.2 V while sustaining 1000 W surges. |
Use Scenario: Safeguarding digital input channels on programmable logic controllers exposed to relay coil flyback and motor drive noise. IC Role / Device Role / Timing Role: Standoff protector on 24 V DC input lines, clamping induced spikes before they reach optocoupler or MCU GPIO. Use Value: Maintains system uptime by absorbing repetitive 10/1000 µs surges up to 108.7 A without degradation, verified per IEC 61000-4-5. |
| Consumer Power Adapter Output | Telecom Line Card Surge Defense |
|
Use Scenario: Secondary-side overvoltage suppression on 5 V USB-C PD adapter outputs subjected to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Final-stage TVS on regulated output rail, shunting ESD (IEC 61000-4-2 ±15 kV air) and ring wave transients. Use Value: Achieves <1000 µA leakage at 5.0 V, minimizing no-load power loss while delivering sub-10 V clamping for USB compliance. |
Use Scenario: Front-end protection of Ethernet PHY power and data lines in base station line cards exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Primary-level unidirectional suppressor on 3.3 V/5 V bias rails feeding Gigabit Ethernet magnetics and PHY ICs. Use Value: Withstands repeated 1000 W surges per Telcordia GR-1089-CORE requirements while maintaining RoHS-compliant, halogen-free construction (E3 suffix). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ5.0A-E3/52 | Same SMB package, identical VWM (5.0 V) and VC (9.2 V), but lower PPPM (600 W vs. 1000 W) | Rated for lighter-duty consumer applications; insufficient for automotive load-dump per ISO 7637-2 Pulse 5a | Select SMB10J5.0A-E3/52 when 1000 W surge immunity is required; choose SMBJ5.0A-E3/52 only for cost-sensitive, low-energy environments. |
| 1.5SMC5.0A | DO-214AB (SMC) package, same electrical specs (VWM = 5.0 V, VC = 9.2 V), higher thermal mass but larger footprint (7.11 mm × 6.22 mm) | Preferred where board space allows and higher RθJL (10 °C/W vs. 20 °C/W) improves sustained surge handling | Use 1.5SMC5.0A when PCB layout permits larger package and enhanced thermal dissipation is prioritized over miniaturization. |
Compared with SMBJ5.0A-E3/52 and 1.5SMC5.0A, the SMB10J5.0A-E3/52 uniquely balances 1000 W surge capability, SMB footprint constraints, and AEC-Q101 qualification - making it the optimal choice for space-constrained automotive and industrial 5 V rail protection where both energy rating and reliability certification are mandatory.
Availability
SMB10J5.0A-E3/52 is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC I/O cards, and telecom line card designs requiring stable component supply with AEC-Q101 validation and RoHS compliance.
Supply support for SMB10J5.0A-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, rectifiers, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMB10J series targets high-energy transient suppression in harsh environments, engineered for automotive, industrial, and telecom applications where compact size, high power density, and certified quality are essential.
FAQ
What is the maximum clamping voltage of SMB10J5.0A-E3/52 under full-rated surge current?
The SMB10J5.0A-E3/52 clamps to a maximum of 9.2 V when subjected to its peak pulse current of 108.7 A (10/1000 µs waveform). This value is measured per ANSI/IEEE C62.35 and guarantees that protected 5 V circuits remain within safe operating limits during worst-case transients. The SMB10J5.0A-E3/52 achieves this performance with low incremental surge resistance and a glass-passivated junction for consistent behavior across temperature and lifetime.
Is SMB10J5.0A-E3/52 suitable for automotive applications?
Yes - the SMB10J5.0A-E3/52 is RoHS-compliant and qualified to AEC-Q101 when ordered with HE3 or HM3 suffixes (e.g., SMB10J5.0AHE3_B/H). It undergoes stress testing for temperature cycling, high-temperature reverse bias, and ESD per automotive standards. While the E3/52 variant itself is commercial-grade, its design basis and characterization align with automotive requirements, and the HE3 version is explicitly validated for under-hood and body electronics use in SMB10J5.0A-E3/52-based designs.
How does the SMB10J5.0A-E3/52 differ from the SMBJ5.0A-E3/52?
The SMB10J5.0A-E3/52 delivers 1000 W peak pulse power (10/1000 µs), whereas the SMBJ5.0A-E3/52 is rated for 600 W under identical waveform conditions. Both share the same SMB package, VWM = 5.0 V, and VC = 9.2 V, but the SMB10J5.0A-E3/52 uses a higher-energy chip construction to sustain greater surge currents (108.7 A vs. 65.2 A). This makes SMB10J5.0A-E3/52 appropriate for ISO 7637-2 Pulse 5a load-dump protection where SMBJ5.0A-E3/52 would fail.
What is the thermal resistance and recommended PCB layout for SMB10J5.0A-E3/52?
The SMB10J5.0A-E3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 72 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. To maintain full 1000 W rating, PCB layout must provide these minimum pad dimensions and avoid thermal isolation. The device's junction-to-lead resistance (RθJL) is 20 °C/W, confirming efficient heat transfer to solder joints - critical for reliability in high-temperature automotive and industrial deployments using SMB10J5.0A-E3/52.
Does SMB10J5.0A-E3/52 have polarity marking, and how is it identified?
Yes - the SMB10J5.0A-E3/52 is unidirectional and marked with a cathode band on the package body, located at the end corresponding to the cathode terminal. This band aligns with standard DO-214AA orientation: the banded end connects to the protected line (e.g., 5 V rail), while the opposite end connects to ground. Polarity is critical for correct operation; reverse installation prevents clamping and may cause catastrophic failure during overvoltage events involving SMB10J5.0A-E3/52.
SMB10J5.0A-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):
- 5V
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 9.2V
- Current - Peak Pulse (10/1000µs):
- 108.7A
- 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)
SMB10J5.0A-E3/52 FAQ
1.How can I place an order for SMB10J5.0A-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J5.0A-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 SMB10J5.0A-E3/52 reliable?
The price and inventory of SMB10J5.0A-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 SMB10J5.0A-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J5.0A-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J5.0A-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J5.0A-E3/52?
SMB10J5.0A-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J5.0A-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 SMB10J5.0A-E3/52?
For technical support, including SMB10J5.0A-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J5.0A-E3/52 requirements.
6.How does Aetrix verify that SMB10J5.0A-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J5.0A-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 SMB10J5.0A-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J5.0A-E3/52?
All SMB10J5.0A-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J5.0A-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 SMB10J5.0A-E3/52 part is unused and in its original packaging.
Return procedure for SMB10J5.0A-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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