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Vishay General Semiconductor - Diodes Division SMB10J9.0AHE3/52
- Part No.:
- SMB10J9.0AHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J9.0AHE3/52.pdf
- Description:
- TVS DIODE 9VWM 15.4VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,778
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Product details
Overview
SMB10J9.0AHE3/52 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 9.0 V stand-off voltage (VWM), 10.0–11.1 V breakdown voltage (VBR) at 1.0 mA, 15.4 V clamping voltage (VC) at 64.9 A peak pulse current (IPPM), and 1000 W peak pulse power (PPPM) with 10/1000 µs waveform - suitable for automotive ECU power input protection per AEC-Q101.
For engineers reviewing the SMB10J9.0AHE3/52 datasheet, SMB10J9.0AHE3/52 pinout, SMB10J9.0AHE3/52 application, or SMB10J9.0AHE3/52 equivalent, key selection criteria include clamping performance under 64.9 A surge, AEC-Q101 qualification status, unidirectional polarity with cathode band marking, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector, leveraging an avalanche breakdown mechanism to divert transient energy away from sensitive downstream circuitry. Its glass-passivated junction ensures stable VBR tolerance (±10%) and low incremental surge resistance, enabling consistent clamping behavior across repeated surges.
Designed for automotive-grade reliability, SMB10J9.0AHE3/52 meets AEC-Q101 stress test requirements and is rated for TJ = –55 °C to +150 °C operation. It exhibits 1.0 µA max reverse leakage at VWM and achieves MSL Level 1 moisture sensitivity with peak reflow temperature up to 260 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 10.0 V / 11.1 V at 1.0 mA - defines guaranteed breakdown threshold window for design margining |
| VC @ IPPM | 15.4 V at 64.9 A - clamping voltage during full-rated 1000 W transient, limiting stress on protected ICs |
| PPPM | 1000 W (10/1000 µs) - peak surge power handling capacity for IEC 61000-4-5 compliance testing |
| RθJA | 72 °C/W - thermal resistance from junction to ambient, critical for derating above TA = 25 °C |
| Polarity | Unidirectional - cathode marked with band; blocks forward conduction until breakdown, enables DC rail protection |
| AEC-Q101 | Qualified - validated for automotive applications including temperature cycling, HTRB, and mechanical shock |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Cathode identified by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | DC input or signal line side | Connected to protected node; conducts only during reverse-biased avalanche |
| Cathode | Ground or return path | Marked with band; provides low-impedance path to ground during transients |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures long-term VBR stability and reduced parameter drift over temperature and life |
| MSL Level 1 rating | Enables standard SMT reflow without baking; supports high-yield automated assembly |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ISO 7637-2 Pulse 1/2a) |
| 1000 W peak pulse power | Provides robust protection against high-energy load dump and inductive switching events |
| AEC-Q101 qualification | Validates suitability for under-hood automotive electronics with extended temperature and reliability demands |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V power rail of engine control unit (ECU) against load dump and jump-start transients. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed between battery feed and LDO/regulator input. Use Value: Clamps 15.4 V at 64.9 A, preventing overvoltage damage to downstream 5 V logic while meeting ISO 16750-2 requirements. | Use Scenario: Safeguarding analog output line of pressure sensor exposed to ESD and cable discharge events. IC Role / Device Role / Timing Role: Unidirectional TVS connected between sensor output and ground, with VWM = 9.0 V matching signal swing. Use Value: Limits transient-induced offset error and latch-up risk via sub-15.4 V clamping during ±8 kV contact ESD per IEC 61000-4-2. |
| Consumer USB Port Protection | Telecom DC Power Feeds |
Use Scenario: Shielding USB VBUS line in portable docking station from hot-plug and inrush-induced spikes. IC Role / Device Role / Timing Role: Standoff-rated TVS placed upstream of USB power switch, with cathode grounded. Use Value: Maintains 9.0 V nominal operation while suppressing >100 V transients within 1 ns response time, preserving USB 2.0 timing integrity. | Use Scenario: Securing -48 V telecom power feed against lightning-induced surges on central office equipment. IC Role / Device Role / Timing Role: Reverse-connected unidirectional TVS referenced to system ground, absorbing positive-going transients. Use Value: Delivers 1000 W surge handling with 15.4 V clamping headroom relative to -48 V rail, enabling compliance with GR-1089-CORE. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ9.0A-E3/52 | Same SMB package, identical VWM/VBR/VC specs, but commercial-grade (non-AEC-Q101) | Lacks automotive qualification; suitable for industrial/commercial designs without AEC requirements | Select when AEC-Q101 is not mandated and cost optimization is prioritized |
| SMAJ9.0AHE3/52 | Smaller SMA (DO-214AC) package, same electrical specs, lower PPPM (400 W) | Reduced surge handling limits use to lower-energy transients (e.g., ESD-only, not load dump) | Choose for space-constrained layouts where 400 W peak power suffices |
Compared with SMBJ9.0A-E3/52 and SMAJ9.0AHE3/52, SMB10J9.0AHE3/52 uniquely combines AEC-Q101 qualification, 1000 W surge rating, and SMB footprint - making it the only option qualified for automotive power rail protection requiring both high energy absorption and production-grade reliability validation.
Availability
SMB10J9.0AHE3/52 is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, consumer USB power domains, and telecom DC feeds requiring stable component supply with AEC-Q101 assurance.
Supply support for SMB10J9.0AHE3/52 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 and application-specific performance.
The SMB10Jx series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-power-density transient suppression in harsh environments - targeting automotive, industrial, and infrastructure applications demanding AEC-Q101 or high-surge robustness.
FAQ
What is the clamping voltage of SMB10J9.0AHE3/52 at its rated peak pulse current?
The SMB10J9.0AHE3/52 has a maximum clamping voltage (VC) of 15.4 V at 64.9 A peak pulse current (IPPM), measured under the standard 10/1000 µs waveform. This value defines the upper voltage limit imposed on protected circuitry during a full-rated 1000 W transient event, ensuring downstream components remain within safe operating voltage margins.
Is SMB10J9.0AHE3/52 qualified for automotive applications?
Yes, SMB10J9.0AHE3/52 is AEC-Q101 qualified, as confirmed by Vishay's documentation and ordering code suffix "HE3". This qualification covers stress tests including temperature cycling, high-temperature reverse bias (HTRB), and mechanical shock - validating its suitability for under-hood automotive electronics such as body control modules and ADAS sensors.
What does the "HE3" suffix indicate in SMB10J9.0AHE3/52?
The "HE3" suffix in SMB10J9.0AHE3/52 denotes RoHS-compliant construction with AEC-Q101 qualification and packaging in 7″ tape-and-reel (code "52"). It distinguishes this variant from commercial-grade versions (e.g., "E3") and halogen-free variants (e.g., "HM3"), confirming compliance with automotive reliability and environmental standards.
How does SMB10J9.0AHE3/52 differ from SMBJ9.0A-E3/52?
SMB10J9.0AHE3/52 and SMBJ9.0A-E3/52 share identical electrical specifications (VWM = 9.0 V, VC = 15.4 V, PPPM = 1000 W) and SMB package, but SMB10J9.0AHE3/52 carries AEC-Q101 qualification while SMBJ9.0A-E3/52 is commercial-grade. The "HE3" suffix confirms automotive qualification; "E3" indicates RoHS-compliant commercial use only.
What is the thermal resistance of SMB10J9.0AHE3/52, and why does it matter?
SMB10J9.0AHE3/52 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. This value determines how much the junction temperature rises per watt of dissipated surge energy - critical for derating peak power above 25 °C ambient and ensuring reliable operation in enclosed automotive or industrial enclosures.
SMB10J9.0AHE3/52 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 15.4V
- Current - Peak Pulse (10/1000µs):
- 64.9A
- 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)
SMB10J9.0AHE3/52 FAQ
1.How can I place an order for SMB10J9.0AHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J9.0AHE3/52 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 SMB10J9.0AHE3/52 reliable?
The price and inventory of SMB10J9.0AHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J9.0AHE3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J9.0AHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J9.0AHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J9.0AHE3/52?
SMB10J9.0AHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J9.0AHE3/52 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 SMB10J9.0AHE3/52?
For technical support, including SMB10J9.0AHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J9.0AHE3/52 requirements.
6.How does Aetrix verify that SMB10J9.0AHE3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J9.0AHE3/52 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 SMB10J9.0AHE3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J9.0AHE3/52?
All SMB10J9.0AHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J9.0AHE3/52, 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 SMB10J9.0AHE3/52 part is unused and in its original packaging.
Return procedure for SMB10J9.0AHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J9.0AHE3/52 Tags
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