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Vishay General Semiconductor - Diodes Division SMB10J9.0-E3/52
- Part No.:
- SMB10J9.0-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J9.0-E3/52.pdf
- Description:
- TVS DIODE 9VWM 16.9VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,222
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Product details
Overview
SMB10J9.0-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 power and signal lines. It features a 9.0 V stand-off voltage (VWM), 10.0–11.1 V breakdown voltage (VBR) at 1 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 - deployed in automotive power supply rails, industrial sensor interfaces, and DC-DC converter input stages.
For engineers reviewing the SMB10J9.0-E3/52 datasheet, SMB10J9.0-E3/52 pinout, SMB10J9.0-E3/52 application, or SMB10J9.0-E3/52 equivalent, key selection criteria include clamping performance under 10/1000 µs surges, unidirectional polarity for DC-biased lines, AEC-Q101 qualification for automotive use, RoHS-compliant matte tin terminations, and compatibility with automated SMT placement on standard 0.2" × 0.2" copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: when reverse voltage exceeds VBR (10.0–11.1 V), it avalanches to limit transient energy by diverting surge current to ground. Its glass-passivated junction ensures stable breakdown and low leakage (<1.0 µA at VWM), while thermal resistance RθJA = 72 °C/W supports operation up to TJ = 150 °C.
The device meets J-STD-020 MSL Level 1 (260 °C peak reflow), JESD201 Class 1A whisker resistance, and AEC-Q101 stress testing - confirming suitability for under-hood automotive modules and industrial control units where reliability under thermal cycling and mechanical shock is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - maximum continuous reverse operating voltage before clamping begins; sets safe margin above nominal 5–8 V DC rails. |
| VBR (min/max) | 10.0 V / 11.1 V at IT = 1.0 mA - tight breakdown tolerance ensures predictable turn-on across temperature and production lot. |
| VC @ IPPM | 15.4 V at 64.9 A - clamping voltage defines worst-case overvoltage seen by protected IC during 10/1000 µs surge. |
| PPPM | 1000 W - peak power handling capability with 10/1000 µs waveform; enables protection against IEC 61000-4-5 Level 4 surges. |
| ID @ VWM | <1.0 µA - ultra-low reverse leakage preserves battery life and avoids false triggering in low-power sensor nodes. |
| TJ max. | 150 °C - extended junction temperature rating supports operation in engine control units and motor drive enclosures. |
| Package | DO-214AA (SMB) - standardized surface-mount outline with cathode band marking; compatible with IPC-7351B footprint. |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with two leads; cathode identified by color band on body end; terminals are matte tin-plated for solderability per J-STD-002 and JESD22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to circuit ground or return path; completes shunt path during avalanche conduction. |
| Cathode | High-side connection point | Connected to protected line (e.g., 12 V rail); polarity-sensitive - reversal disables protection. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock per AEC specification. |
| Glass passivated junction | Ensures stable VBR and low leakage over lifetime; eliminates risk of junction degradation under repeated surge stress. |
| MSL Level 1 rating | Supports single-reflow assembly without moisture sensitivity concerns; no bake-out required prior to SMT placement. |
| 1000 W peak pulse power | Handles 10/1000 µs transients up to 64.9 A - sufficient for ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Combination Wave tests. |
| RoHS-compliant E3 suffix | Meets EU Directive 2011/65/EU; matte tin plating ensures solder joint integrity and eliminates lead-based alternatives. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface |
|---|---|
Use Scenario: 12 V battery feed to engine control unit (ECU) exposed to load dump and alternator ripple. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed between VBAT and GND, clamping spikes within 1 ns response time. Use Value: Limits voltage to ≤15.4 V during 1000 W surges, preventing damage to MCU, CAN transceivers, and analog front-ends. |
Use Scenario: 24 V analog input channel of PLC I/O module connected to field sensors. IC Role / Device Role / Timing Role: Unidirectional TVS on signal line referenced to local ground, absorbing inductive kickback from solenoid drivers. Use Value: Clamps transients to 15.4 V before they reach precision ADC inputs, preserving measurement accuracy and avoiding latch-up. |
| DC-DC Converter Input Stage | Consumer Power Adapter Output |
Use Scenario: Input of 48 V-to-12 V buck converter in telecom base station power system. IC Role / Device Role / Timing Role: Primary surge clamp on HV input rail, coordinated with upstream fuse and downstream LC filter. Use Value: Absorbs 10/1000 µs surges up to 64.9 A without degradation, maintaining converter uptime during lightning-induced grid disturbances. |
Use Scenario: 5 V USB-C output port of wall adapter subjected to ESD and cable coupling events. IC Role / Device Role / Timing Role: Secondary-level TVS after primary OVP, protecting USB-PD controller and port switch ICs. Use Value: Provides <1.0 µA leakage at 5 V VWM, minimizing standby power loss while clamping ESD to ≤15.4 V. |
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 DO-214AA package and VWM/VBR/VC specs; identical 1000 W PPPM but rated per older SMBJ family spec sheet. | No AEC-Q101 qualification; intended for commercial/industrial use only. | Select when automotive qualification is not required and cost optimization is prioritized. |
| 1.5SMC9.0A | Higher thermal resistance (RθJA ≈ 110 °C/W), larger DO-214AB (SMC) package, same electrical specs but lower surge robustness at elevated ambient. | Requires larger PCB footprint; less suitable for space-constrained automotive modules. | Choose only if existing SMC footprint is fixed and thermal derating can be accommodated. |
Compared with SMBJ9.0A-E3/52 and 1.5SMC9.0A, SMB10J9.0-E3/52 delivers AEC-Q101 assurance and superior thermal performance in the compact SMB outline - making it the preferred choice for next-generation automotive electronics where board space and qualification rigor are both critical.
Availability
SMB10J9.0-E3/52 is available at Aetrix Electronics and suitable for automotive power systems, industrial PLCs, DC-DC converters, and consumer power adapters requiring stable component supply across long product lifecycles.
Supply support for SMB10J9.0-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 application-specific performance.
The SMB10J series belongs to Vishay's TRANSZORB® TVS portfolio, engineered specifically for high-power-density surge protection in automotive, industrial, and telecom infrastructure where fast response, low clamping, and AEC-Q101 compliance are mandatory.
FAQ
What is the clamping voltage of SMB10J9.0-E3/52 at its rated peak pulse current?
The SMB10J9.0-E3/52 has a maximum clamping voltage (VC) of 15.4 V at 64.9 A peak pulse current (IPPM) under 10/1000 µs waveform conditions. This value defines the upper voltage limit imposed on protected circuitry during surge events and is measured per ANSI/IEEE C62.35 standards. The SMB10J9.0-E3/52 maintains this clamping performance across its full operating temperature range of –55 °C to +150 °C.
Is SMB10J9.0-E3/52 suitable for automotive applications?
Yes, SMB10J9.0-E3/52 is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its construction includes glass-passivated junction, MSL Level 1 reflow compatibility, and JESD201 Class 1A whisker resistance - all validated per AEC stress test requirements. The SMB10J9.0-E3/52 is commonly deployed in engine control units, body control modules, and ADAS power supplies.
What does the "E3/52" suffix indicate in SMB10J9.0-E3/52?
The "E3" suffix denotes RoHS-compliant, commercial-grade construction with matte tin-plated leads meeting J-STD-002 and JESD22-B102 solderability standards; "52" specifies packaging in 7" diameter plastic tape and reel, with 750 units per reel. This differs from "HE3" (AEC-Q101 qualified) and "5B" (13" reel, 3200 units). The SMB10J9.0-E3/52 uses the E3 variant, confirming its RoHS status and standard commercial tape-and-reel format.
How does SMB10J9.0-E3/52 differ from bi-directional variants like SMB8J9.0CA?
The SMB10J9.0-E3/52 is unidirectional, meaning it protects only against reverse-polarity transients on DC-biased lines and conducts forward current during clamping. In contrast, SMB8J9.0CA is bi-directional with symmetrical breakdown in both polarities - suited for AC lines or floating signals. The SMB10J9.0-E3/52 offers higher peak pulse power (1000 W vs. 800 W) and is optimized for DC power rail protection where polarity is fixed.
What PCB layout guidance applies to SMB10J9.0-E3/52 for optimal thermal and surge performance?
For optimal performance, mount SMB10J9.0-E3/52 on minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal, as specified in Vishay's thermal derating curves. Use short, wide traces to minimize inductance in the surge path, and avoid thermal relief on pads to maximize heat dissipation. The SMB10J9.0-E3/52 achieves RθJA = 72 °C/W under this layout - critical for sustaining 1000 W pulses without exceeding TJ = 150 °C.
SMB10J9.0-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):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 16.9V
- Current - Peak Pulse (10/1000µs):
- 59.2A
- 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)
SMB10J9.0-E3/52 FAQ
1.How can I place an order for SMB10J9.0-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J9.0-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 SMB10J9.0-E3/52 reliable?
The price and inventory of SMB10J9.0-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 SMB10J9.0-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J9.0-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J9.0-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J9.0-E3/52?
SMB10J9.0-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J9.0-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 SMB10J9.0-E3/52?
For technical support, including SMB10J9.0-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J9.0-E3/52 requirements.
6.How does Aetrix verify that SMB10J9.0-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J9.0-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 SMB10J9.0-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J9.0-E3/52?
All SMB10J9.0-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J9.0-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 SMB10J9.0-E3/52 part is unused and in its original packaging.
Return procedure for SMB10J9.0-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J9.0-E3/52 Tags
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