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Vishay General Semiconductor - Diodes Division SMB10J5.0AHE3_A/H
- Part No.:
- SMB10J5.0AHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J5.0AHE3_A/H.pdf
- Description:
- TVS DIODE 5VWM 9.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,294
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Product details
Overview
SMB10J5.0AHE3_A/H 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 5.0 V stand-off voltage (VWM), 6.4–7.07 V breakdown voltage (VBR) at 10 mA, 1000 W peak pulse power (10/1000 μs), 108.7 V clamping voltage at 108.7 A peak pulse current, and AEC-Q101 qualification for automotive use.
For engineers reviewing the SMB10J5.0AHE3_A/H datasheet, SMB10J5.0AHE3_A/H pinout, SMB10J5.0AHE3_A/H application, or SMB10J5.0AHE3_A/H equivalent, key selection criteria include clamping performance under 10/1000 μs transients, unidirectional polarity for DC rail protection, RoHS-compliant + AEC-Q101 qualified construction, and compatibility with automated SMT placement on 0.2" × 0.2" copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: when reverse voltage exceeds VBR (6.4–7.07 V), it avalanches to limit transient energy by diverting surge current away from downstream ICs or MOSFETs. Its glass-passivated junction ensures stable leakage (<1000 μA at VWM) and low incremental surge resistance for consistent clamping.
Rated for -55 °C to +150 °C junction temperature and MSL Level 1 (260 °C reflow peak), SMB10J5.0AHE3_A/H supports automotive-grade reliability with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102 solderability standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Maximum continuous reverse operating voltage before conduction begins; defines safe DC rail margin for 5 V systems. |
| VBR (min/max) | 6.4 V / 7.07 V at 10 mA - Tight breakdown window ensures predictable turn-on without premature leakage or delayed clamping. |
| VC @ IPPM | 9.2 V at 108.7 A - Clamping voltage during 10/1000 μs surge; limits downstream voltage stress to <9.2 V under full-rated transient. |
| PPPM | 1000 W (10/1000 μs) - Peak surge energy handling capacity; supports IEC 61000-4-5 Level 4 (4 kV) protection with appropriate layout. |
| ID @ VWM | 1000 μA max - Low reverse leakage preserves efficiency in battery-powered or low-quiescent circuits. |
| TJ max | +150 °C - Enables operation in under-hood automotive environments and industrial enclosures without derating. |
| AEC-Q101 | Qualified - Validated for automotive electronics per stress test requirements including HTGB, HTRB, and temperature cycling. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with cathode band marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); recommended pad layout: 5.59 mm × 2.18 mm minimum per terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / low-side reference | Connected to ground or lower-potential node; enables unidirectional clamping from VCC to GND. |
| Cathode | Reverse-biased input / protected line connection | Connected to protected line (e.g., 5 V rail); avalanche conduction occurs when voltage exceeds VBR relative to anode. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure. |
| MSL Level 1 rating | Supports standard SMT reflow profiles up to 260 °C peak without preconditioning or baking. |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body control, and ADAS modules requiring zero-defect robustness. |
| Low profile SMB package | Enables high-density PCB layouts while maintaining 1000 W surge capability-higher power density than SMA or SMC alternatives. |
| Matte tin-plated leads | Guarantees solder joint integrity per J-STD-002 and eliminates whisker risk per JESD 201 Class 2. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 5 V microcontroller supply lines in engine control units (ECUs) against load dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional shunt clamp placed between VCC and GND, responding within <1 ns to suppress >100 V spikes. Use Value: Limits voltage seen by MCU to ≤9.2 V during 1000 W surges, preventing latch-up or gate oxide damage without adding series impedance. |
Use Scenario: Safeguarding analog outputs of pressure or temperature sensors connected to PLC I/O modules exposed to field wiring transients. IC Role / Device Role / Timing Role: Standoff-mode protector on sensor output line, conducting only during overvoltage events above 6.4 V. Use Value: Maintains signal fidelity during normal operation (leakage <1000 μA at 5 V), while clamping ESD or surge events to preserve ADC accuracy. |
| Consumer USB Power Delivery | Telecom DC Bias Line Protection |
|
Use Scenario: Securing 5 V VBUS lines in USB-C docking stations against hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Primary TVS on upstream power path, coordinated with internal OVP and current limiting. Use Value: Absorbs 10/1000 μs surges up to 108.7 A without degradation, meeting IEC 61000-4-5 with minimal board space. |
Use Scenario: Protecting bias feed lines in PoE-powered telecom equipment (e.g., remote radio heads) from lightning-induced surges. IC Role / Device Role / Timing Role: High-power standoff device on 48 V DC bias rail, operating in parallel with primary DC-DC converter input. Use Value: Withstands repeated 1000 W transients while maintaining <1000 μA leakage at 40 V, enabling reliable long-life deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ5.0A-E3/52 | Same SMB package, identical VWM/VBR/VC specs, but commercial-grade (non-AEC-Q101) and RoHS-compliant only (no halogen-free option). | Lacks automotive qualification; suitable for industrial/commercial designs where AEC-Q101 is not mandated. | Select when cost sensitivity outweighs automotive compliance requirements and lifecycle assurance is not critical. |
| 1.5SMC5.0A | Higher-power SMC package (7.1 mm × 6.2 mm), same 5.0 V VWM, but higher RθJA (50 °C/W vs. 72 °C/W) and larger footprint. | Better thermal dissipation for sustained surge duty cycles; less suitable for space-constrained automotive PCBs. | Choose when system-level thermal management allows larger footprint and higher peak power (>1500 W) is required. |
Compared with SMBJ5.0A-E3/52, SMB10J5.0AHE3_A/H adds AEC-Q101 validation and halogen-free construction; versus 1.5SMC5.0A, it trades thermal margin for compactness and automotive qualification-ideal for modern ECU and ADAS module designs.
Availability
SMB10J5.0AHE3_A/H is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, consumer USB PD systems, and telecom DC bias protection requiring stable component supply across multi-year production cycles.
Supply support for SMB10J5.0AHE3_A/H 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, optoelectronics, and passive components for automotive, industrial, and computing markets.
SMB10J5.0AHE3_A/H belongs to Vishay's TRANSZORB® family of high-power-density TVS diodes, engineered specifically for robust transient immunity in harsh automotive and industrial environments.
FAQ
What is the clamping voltage of SMB10J5.0AHE3_A/H at its rated peak pulse current?
The SMB10J5.0AHE3_A/H has a maximum clamping voltage (VC) of 9.2 V when subjected to its peak pulse current (IPPM) of 108.7 A under the standard 10/1000 μs waveform. This value is measured at TA = 25 °C with devices mounted on 0.2" × 0.2" copper pads per the Vishay datasheet (Doc. #88422). The low VC ensures downstream 5 V logic remains within safe operating limits during surge events.
Is SMB10J5.0AHE3_A/H suitable for automotive applications?
Yes, SMB10J5.0AHE3_A/H is AEC-Q101 qualified and explicitly designated for automotive use via its HE3 suffix. It meets stress tests including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling. Its construction-glass-passivated junction, matte tin plating, and MSL Level 1 rating-supports under-hood deployment in ECUs, body controllers, and ADAS modules where SMB10J5.0AHE3_A/H must operate reliably from -55 °C to +150 °C.
What does the "HE3" suffix in SMB10J5.0AHE3_A/H indicate?
The "HE3" suffix in SMB10J5.0AHE3_A/H denotes RoHS-compliant and AEC-Q101 qualified construction, with "H" specifying the tape-and-reel packaging format (7" diameter, 750-unit reel) and "E3" confirming lead-free, halogen-free compliance per Vishay's material categorization standard. This distinguishes it from commercial variants like SMBJ5.0A-E3/52, which lack automotive qualification and halogen-free certification.
How does SMB10J5.0AHE3_A/H compare to bidirectional TVS diodes with the same VWM?
SMB10J5.0AHE3_A/H is unidirectional and optimized for DC rail protection (e.g., 5 V VCC-to-GND), offering lower clamping voltage (9.2 V) and higher peak pulse power (1000 W) than bidirectional equivalents like SMB8J5.0CA (800 W, 9.2 V clamping). Bidirectional versions support AC-coupled or floating signal lines but exhibit higher dynamic impedance during positive/negative surges-making SMB10J5.0AHE3_A/H preferable for fixed-polarity power domains where tighter clamping and higher energy absorption are critical.
What is the thermal resistance of SMB10J5.0AHE3_A/H, and how does it affect layout design?
SMB10J5.0AHE3_A/H has a typical junction-to-ambient thermal resistance (RθJA) of 72 °C/W when mounted on 0.2" × 0.2" copper pads per terminal. This value assumes minimum recommended pad layout per the Vishay datasheet; reducing pad area increases RθJA and risks thermal runaway during repetitive surges. For high-duty-cycle applications, designers should verify junction temperature rise using actual surge frequency and duration, and consider supplemental copper pour or thermal vias to maintain TJ ≤ 150 °C.
SMB10J5.0AHE3_A/H 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):
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J5.0AHE3_A/H FAQ
1.How can I place an order for SMB10J5.0AHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J5.0AHE3_A/H 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 SMB10J5.0AHE3_A/H reliable?
The price and inventory of SMB10J5.0AHE3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J5.0AHE3_A/H is usually 5 days.
3.What payment methods are accepted for SMB10J5.0AHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J5.0AHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J5.0AHE3_A/H?
SMB10J5.0AHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J5.0AHE3_A/H 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 SMB10J5.0AHE3_A/H?
For technical support, including SMB10J5.0AHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J5.0AHE3_A/H requirements.
6.How does Aetrix verify that SMB10J5.0AHE3_A/H is sourced from the original manufacturer or authorized distributors?
All SMB10J5.0AHE3_A/H 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 SMB10J5.0AHE3_A/H meets industry standards.
7.What is the process for return or replacement of SMB10J5.0AHE3_A/H?
All SMB10J5.0AHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J5.0AHE3_A/H, 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 SMB10J5.0AHE3_A/H part is unused and in its original packaging.
Return procedure for SMB10J5.0AHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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