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Vishay General Semiconductor - Diodes Division SMB10J9.0-E3/5B
- Part No.:
- SMB10J9.0-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J9.0-E3/5B.pdf
- Description:
- TVS DIODE 9VWM 16.9VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,736
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Product details
Overview
SMB10J9.0-E3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, designed for high-energy surge protection with 1000 W peak pulse power rating, 9.0 V stand-off voltage, and 15.4 V clamping voltage at 64.9 A peak pulse current. It protects MOSFETs, ICs, and sensor signal lines in automotive power electronics and industrial control systems.
For engineers reviewing the SMB10J9.0-E3/5B datasheet, SMB10J9.0-E3/5B pinout, SMB10J9.0-E3/5B application, or SMB10J9.0-E3/5B equivalent, key selection criteria include clamping performance under 10/1000 µs transients, unidirectional polarity for DC-biased rails, AEC-Q101 qualification for automotive use, and RoHS-compliant matte tin terminations.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector triggered by reverse-biased avalanche breakdown. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at 9.0 V), while its thermal resistance (RθJA = 72 °C/W) supports operation up to 150 °C junction temperature.
The device complies with ANSI/IEEE C62.35 surge standards and meets J-STD-020 MSL Level 1 (260 °C reflow peak). Its 1000 W peak pulse power rating is specified for unidirectional 10/1000 µs waveforms with derating above 25 °C ambient per Figure 2.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VWM) | 9.0 V - Maximum continuous reverse operating voltage before significant leakage begins |
| Breakdown Voltage (VBR) | 10.0–11.1 V at 1.0 mA test current - Ensures reliable triggering margin above VWM |
| Clamping Voltage (VC) | 15.4 V at 64.9 A IPPM - Limits downstream voltage during 10/1000 µs surge to safe levels |
| Peak Pulse Power (PPPM) | 1000 W - Sustains high-energy transients without failure when mounted on 5.0 mm × 5.0 mm copper pads |
| Operating Temperature | -55 °C to +150 °C - Supports under-hood automotive and industrial environments |
| RoHS & Qualification | RoHS-compliant (E3 suffix); AEC-Q101 qualified - Meets automotive reliability and environmental compliance requirements |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, low-profile case with cathode band marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H), 0.220" × 0.155" × 0.086". Matte tin-plated leads, solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line; conducts during forward surge (e.g., ESD event) |
| Cathode (marked with band) | Avalanche clamping terminal | Connected to higher-potential rail; initiates clamping when reverse voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Low incremental surge resistance | Enables tight clamping (15.4 V at 64.9 A) with minimal voltage overshoot during fast transients |
| Glass passivated chip junction | Ensures long-term stability of breakdown voltage and leakage performance across temperature and life cycles |
| AEC-Q101 qualification | Validated for automotive applications including engine control units and body electronics |
| MSL Level 1 moisture sensitivity | Allows standard SMT reflow without baking; compatible with 260 °C peak profile |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed microcontroller power inputs against load dump and alternator ripple. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed between VIN and GND, clamping surges within nanoseconds. Use Value: Limits voltage to ≤15.4 V during 1000 W transients, preventing latch-up or permanent damage to 5 V/3.3 V logic supplies. | Use Scenario: Safeguarding analog output lines of pressure/temperature sensors in PLC I/O modules. IC Role / Device Role / Timing Role: Bidirectional-capable protection element (though SMB10J9.0-E3/5B is unidirectional, used on DC-biased lines) placed at connector interface. Use Value: Maintains signal integrity by suppressing ±1 kV EFT bursts while adding <1 pF capacitance at 0 V bias. |
| DC Motor Drive Gate Protection | Consumer Power Adapter Input Stage |
Use Scenario: Clamping inductive kickback from brushed DC motor commutation in automotive seat/mirror actuators. IC Role / Device Role / Timing Role: Unidirectional TVS connected anode-to-GND, cathode-to-H-bridge high-side switch drain. Use Value: Absorbs 1000 W pulses without degradation, enabling robust 15 A motor drive operation over 15-year vehicle lifetime. | Use Scenario: Secondary-side overvoltage suppression in 12 V wall adapters for smart home hubs. IC Role / Device Role / Timing Role: Stand-off-rated protector on regulated 12 V output rail, upstream of LDO regulators. Use Value: Prevents regulator failure during lightning-induced surges on building wiring, meeting IEC 61000-4-5 Level 3 requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ9.0A-E3/5B | Same DO-214AA package, identical VWM/VC, but rated for 600 W PPPM (vs. 1000 W) | Lower energy handling limits use to non-automotive consumer or low-risk industrial settings | Select when system-level surge testing requires only 600 W capability and cost optimization is prioritized |
| SMB10J9.0AHE3/5B | Identical electrical specs and package, but HE3 suffix denotes AEC-Q101 qualification (same as SMB10J9.0-E3/5B per Vishay documentation) | No functional difference; HE3 explicitly highlights automotive qualification in ordering code | Prefer HE3 when BOM documentation must explicitly reflect AEC-Q101 status for audit traceability |
Compared with SMBJ9.0A-E3/5B, SMB10J9.0-E3/5B delivers 67% higher surge energy tolerance critical for automotive load dump; versus SMB10J9.0AHE3/5B, it shares identical performance but uses a commercial-grade E3 suffix-both meet AEC-Q101 per Vishay's material categorization policy.
Availability
SMB10J9.0-E3/5B is available at Aetrix Electronics and suitable for automotive power electronics, industrial sensor interfaces, DC motor drives, and consumer power adapter designs requiring stable component supply and AEC-Q101-compliant surge protection.
Supply support for SMB10J9.0-E3/5B 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, power density, and automotive-grade qualification.
The SMB10J series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-power-density, surface-mount transient suppression in harsh environments where space-constrained PCB layouts demand robust 1000 W surge handling.
FAQ
What is the clamping voltage of SMB10J9.0-E3/5B at its rated peak pulse current?
The SMB10J9.0-E3/5B has a maximum clamping voltage (VC) of 15.4 V at 64.9 A peak pulse current (IPPM) under a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and confirmed in Vishay Document 88422, ensuring predictable overvoltage limiting during surge events.
Is SMB10J9.0-E3/5B suitable for automotive applications?
Yes, SMB10J9.0-E3/5B is AEC-Q101 qualified and explicitly listed in Vishay's automotive-grade product documentation. Its construction-including glass-passivated junction, MSL Level 1 rating, and -55 °C to +150 °C operating range-makes it appropriate for engine control, body electronics, and ADAS power rail protection.
What does the "E3/5B" suffix mean in SMB10J9.0-E3/5B?
The "E3" suffix indicates RoHS-compliant, commercial-grade construction with matte tin plating and JESD 201 Class 1A whisker resistance. The "5B" denotes packaging in 13-inch diameter plastic tape and reel, with a base quantity of 3200 units per reel, per Vishay's ordering information table.
How does SMB10J9.0-E3/5B differ from bi-directional variants like SMB8J9.0CA?
SMB10J9.0-E3/5B is unidirectional with cathode-band marking and 1000 W PPPM; SMB8J9.0CA is bi-directional (no polarity marking) with 800 W PPPM and symmetric breakdown. Use SMB10J9.0-E3/5B on DC-biased lines where only reverse transients matter; choose SMB8J9.0CA for AC-coupled or bidirectional signal paths.
What PCB layout guidance applies to SMB10J9.0-E3/5B for optimal thermal performance?
Vishay specifies that SMB10J9.0-E3/5B must be mounted on minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve its rated 1000 W peak pulse power. Reducing pad area increases thermal resistance and reduces surge capability-verified in Figure 1 and thermal derating curves of Document 88422.
SMB10J9.0-E3/5B 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-E3/5B FAQ
1.How can I place an order for SMB10J9.0-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J9.0-E3/5B 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-E3/5B reliable?
The price and inventory of SMB10J9.0-E3/5B 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-E3/5B is usually 5 days.
3.What payment methods are accepted for SMB10J9.0-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J9.0-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J9.0-E3/5B?
SMB10J9.0-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J9.0-E3/5B 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-E3/5B?
For technical support, including SMB10J9.0-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J9.0-E3/5B requirements.
6.How does Aetrix verify that SMB10J9.0-E3/5B is sourced from the original manufacturer or authorized distributors?
All SMB10J9.0-E3/5B 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-E3/5B meets industry standards.
7.What is the process for return or replacement of SMB10J9.0-E3/5B?
All SMB10J9.0-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J9.0-E3/5B, 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-E3/5B part is unused and in its original packaging.
Return procedure for SMB10J9.0-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J9.0-E3/5B Tags
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Diodes Incorporated
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