Vishay General Semiconductor - Diodes Division SMB10J9.0A-E3/52
- Part No.:
- SMB10J9.0A-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J9.0A-E3/52.pdf
- Description:
- TVS DIODE 9VWM 15.4VC DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:7,114
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Product details
Overview
SMB10J9.0A-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 DC power rails and signal lines. It features a 9.0 V stand-off voltage (VWM), 15.4 V maximum clamping voltage (VC) at 10 A peak pulse current, and 1000 W peak pulse power rating with 10/1000 µs waveform - used to protect automotive sensor interfaces, industrial I/O modules, and MOSFET gate drivers from ESD and load-switching transients.
For engineers reviewing the SMB10J9.0A-E3/52 datasheet, SMB10J9.0A-E3/52 pinout, SMB10J9.0A-E3/52 application, or SMB10J9.0A-E3/52 equivalent, key selection criteria include clamping performance under 10 A surge, unidirectional polarity for DC rail protection, AEC-Q101 qualification status, RoHS compliance (E3 suffix), 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 its 10.0–11.1 V breakdown range (VBR at 1.0 mA), it avalanches rapidly (<1 ns response) to divert surge current away from downstream ICs. Its glass-passivated junction ensures stable leakage (<1.0 µA at VWM) and low incremental surge resistance for consistent clamping.
Thermally, it sustains 150 °C maximum junction temperature with RθJA = 72 °C/W (on standard 0.2" × 0.2" pads) and supports 100 A non-repetitive forward surge (IFSM, 8.3 ms half-sine), enabling robust protection in automotive power distribution and industrial control systems where repetitive transients are rare but energy levels are high.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - Maximum continuous reverse operating voltage before conduction begins; sets safe margin below system rail (e.g., 12 V automotive). |
| VBR (min/max) | 10.0 V / 11.1 V at 1.0 mA - Confirmed breakdown threshold range; ensures reliable triggering without premature leakage. |
| VC @ IPPM | 15.4 V at 10 A - Clamping voltage during 10/1000 µs surge; limits stress on protected ICs to safe levels. |
| PPPM | 1000 W - Peak pulse power handling capacity; supports high-energy transients per ISO 7637-2 Pulse 1/2a/5a. |
| IPPM | 10 A - Peak pulse current capability at rated clamping voltage; defines surge current diversion capacity. |
| Junction Temp | -55 °C to +150 °C - Wide operating range suitable for under-hood automotive and industrial environments. |
| AEC-Q101 | Qualified - Validated for automotive electronics per stress test requirements (HTOL, TC, HTRB, etc.). |
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; polarity indicated by cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Surge return path | Connected to ground or low-side reference; completes shunt path during transient events. |
| Cathode | Reverse-biased terminal / Protection node | Connected to protected line (e.g., 12 V rail); avalanche conduction occurs here when VREV > VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional polarity | Enables DC rail protection without interfering with normal forward bias operation of downstream circuits. |
| Glass passivated junction | Ensures stable electrical characteristics over time and temperature, with low leakage (<1.0 µA at 9.0 V). |
| MSL Level 1 (260 °C peak) | Compatible with standard lead-free reflow profiles without moisture sensitivity concerns. |
| AEC-Q101 qualified | Validated for automotive applications including engine control units, body electronics, and ADAS sensors. |
| RoHS-compliant (E3) | Meets EU Directive 2011/65/EU; no hazardous substances above threshold limits. |
Applications
| Automotive Sensor Interface | Industrial I/O Module |
|---|---|
Use Scenario: Protecting LIN bus transceivers and analog sensor outputs (e.g., temperature, pressure) from load-dump and inductive switching transients in vehicle cabins. IC Role / Device Role: Shunt-type transient suppressor placed between signal line and chassis ground. Use Value: Limits clamped voltage to ≤15.4 V, preventing damage to 5 V or 3.3 V interface ICs while maintaining signal integrity during ISO 16750-2 pulses. | Use Scenario: Safeguarding 24 V DC input terminals of PLC digital input cards against field-wiring surges and relay coil flyback. IC Role / Device Role: Primary overvoltage clamp on power entry point before upstream regulator or optocoupler. Use Value: Absorbs up to 1000 W surge energy without degradation, enabling compliance with IEC 61000-4-5 Level 3 (2 kV/12 Ω) testing. |
| MOSFET Gate Driver Protection | DC Power Rail Clamp |
Use Scenario: Shielding high-side N-channel MOSFET gate drivers from Miller-induced voltage spikes during fast switching in motor drives. IC Role / Device Role: Low-capacitance (typ. <100 pF at 0 V) unidirectional clamp between gate and source. Use Value: Fast response (<1 ns) and low VC prevent gate oxide overstress while adding negligible delay to PWM signals. | Use Scenario: Clamping 12 V battery-fed subsystems (e.g., infotainment, lighting) against jump-start and alternator load dump events. IC Role / Device Role: Secondary protection stage after primary fuse or polyfuse, placed directly at IC power pins. Use Value: Withstands 100 A surge (IFSM) and maintains VC ≤15.4 V, ensuring downstream regulators remain within absolute maximum ratings. |
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/VC, but lower PPPM = 600 W (vs. 1000 W). | Not suitable for high-energy automotive load-dump scenarios requiring ≥1000 W rating. | Select SMB10J9.0A-E3/52 when full 1000 W surge immunity is required per ISO 7637-2. |
| SMCJ9.0A-E3/52 | Higher PPPM = 1500 W, same VWM/VC, but larger SMC (DO-214AB) package (4.5 mm × 3.9 mm vs. 3.9 mm × 3.3 mm). | Requires PCB layout change; preferred where space allows and higher surge margin is needed. | Choose SMCJ9.0A-E3/52 only if board area permits larger footprint and >1000 W headroom is critical. |
Compared with SMBJ9.0A-E3/52 and SMCJ9.0A-E3/52, SMB10J9.0A-E3/52 uniquely balances 1000 W surge capability with SMB footprint - making it optimal for space-constrained automotive and industrial designs needing certified AEC-Q101 performance without package enlargement.
Availability
SMB10J9.0A-E3/52 is available at Aetrix Electronics and suitable for automotive sensor protection, industrial I/O conditioning, and DC power rail clamping requiring stable component supply across production lifecycles.
Supply support for SMB10J9.0A-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 and automotive-grade validation.
The SMB10J series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-power-density transient suppression in harsh-environment applications including automotive powertrain and industrial automation.
FAQ
What is the clamping voltage of SMB10J9.0A-E3/52 at its rated peak pulse current?
The SMB10J9.0A-E3/52 has a maximum clamping voltage (VC) of 15.4 V at 10 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 standards and ensures protected circuitry remains within safe voltage limits during surge events. The SMB10J9.0A-E3/52 achieves this clamping performance while maintaining low incremental surge resistance for consistent behavior across multiple transients.
Is SMB10J9.0A-E3/52 qualified for automotive use?
Yes, SMB10J9.0A-E3/52 is AEC-Q101 qualified, having passed stress tests including high-temperature operating life (HTOL), temperature cycling (TC), and highly accelerated stress testing (HAST). Its E3 suffix confirms RoHS compliance and commercial-grade qualification, while the HE3 variant (not this part) adds explicit AEC-Q101 marking. The SMB10J9.0A-E3/52 meets automotive environmental requirements for under-hood and cabin applications per ISO 16750 and ISO 7637 standards.
What is the standoff voltage and breakdown range for SMB10J9.0A-E3/52?
The SMB10J9.0A-E3/52 has a nominal standoff voltage (VWM) of 9.0 V and a guaranteed breakdown voltage (VBR) range of 10.0 V to 11.1 V at 1.0 mA test current. This 1.1 V window ensures reliable turn-on above normal operating voltage while avoiding false triggering due to ripple or noise. The SMB10J9.0A-E3/52 is specified with tight VBR tolerance to support precise protection design in 12 V automotive and 9–10 V industrial systems.
Does SMB10J9.0A-E3/52 have bidirectional capability?
No, SMB10J9.0A-E3/52 is a unidirectional TVS diode, intended for DC rail and single-polarity signal line protection. Bidirectional variants (e.g., SMB8J9.0CA) exist in the same family but carry different marking codes and suffixes. The SMB10J9.0A-E3/52 uses a cathode band for polarity identification and must be oriented correctly in-circuit - reverse connection would block normal operation and fail to clamp positive transients.
What packaging and reel options are available for SMB10J9.0A-E3/52?
SMB10J9.0A-E3/52 is supplied in 7" diameter plastic tape and reel with 750 units per reel (package code /52). It features matte tin-plated leads compatible with J-STD-002 solderability standards and meets JESD 201 Class 2 whisker resistance. The part is MSL Level 1 rated for peak reflow temperatures up to 260 °C, supporting standard lead-free assembly processes without baking requirements. Aetrix Electronics stocks the /52 configuration for immediate SMT production use.
SMB10J9.0A-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):
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J9.0A-E3/52 FAQ
1.How can I place an order for SMB10J9.0A-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J9.0A-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 SMB10J9.0A-E3/52 reliable?
The price and inventory of SMB10J9.0A-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 SMB10J9.0A-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J9.0A-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J9.0A-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J9.0A-E3/52?
SMB10J9.0A-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J9.0A-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 SMB10J9.0A-E3/52?
For technical support, including SMB10J9.0A-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J9.0A-E3/52 requirements.
6.How does Aetrix verify that SMB10J9.0A-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J9.0A-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 SMB10J9.0A-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J9.0A-E3/52?
All SMB10J9.0A-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J9.0A-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 SMB10J9.0A-E3/52 part is unused and in its original packaging.
Return procedure for SMB10J9.0A-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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