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Vishay General Semiconductor - Diodes Division SMB10J17AHE3/52
- Part No.:
- SMB10J17AHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J17AHE3/52.pdf
- Description:
- TVS DIODE 17VWM 27.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,131
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Product details
Overview
SMB10J17AHE3/52 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 17 V stand-off voltage (VWM), 18.9–20.9 V breakdown voltage (VBR at 1 mA), 27.6 V clamping voltage (VC) at 36.2 A peak pulse current, and 1000 W peak pulse power rating with 10/1000 µs waveform - deployed in automotive ECUs, industrial sensor interfaces, and power supply input stages.
For engineers reviewing the SMB10J17AHE3/52 datasheet, SMB10J17AHE3/52 pinout, SMB10J17AHE3/52 application, or SMB10J17AHE3/52 equivalent, key selection criteria include clamping performance under 100 A surge, AEC-Q101 qualification for automotive use, thermal resistance (RθJA = 72 °C/W), 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: when reverse voltage exceeds VBR, it avalanches to divert transient energy away from downstream ICs or MOSFETs. Its glass-passivated junction ensures stable leakage (<1 µA at VWM) and fast response (<1 ns), while low incremental surge resistance enables effective suppression of inductive switching spikes and ESD events.
The device is rated for -55 °C to +150 °C operating junction temperature, meets MSL Level 1 per J-STD-020 (peak reflow 260 °C), and is qualified to AEC-Q101 - confirming robustness for under-hood automotive environments where thermal cycling and mechanical vibration are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 17 V - maximum continuous reverse working voltage before conduction begins; sets safe operating margin for 12 V nominal systems. |
| VBR (min/max) | 18.9 V / 20.9 V at 1 mA - guaranteed avalanche initiation range; ensures consistent turn-on across production lots. |
| VC @ IPPM | 27.6 V at 36.2 A - clamped voltage during 10/1000 µs surge; limits stress on protected 24 V logic or gate drivers. |
| PPPM | 1000 W - peak pulse power handling; sustains 1000 W for ≤1 ms without failure under defined test conditions. |
| IFSM | 100 A - non-repetitive forward surge rating (8.3 ms half-sine); supports protection against load dump transients. |
| Junction Temp | -55 °C to +150 °C - validated operating range; enables deployment in engine control units and motor drives. |
| Leakage @ VWM | ≤1.0 µA - ultra-low reverse leakage preserves battery life in always-on automotive modules. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002. Cathode indicated by color band on one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / transient return path | Connected to ground or low-impedance return plane; completes shunt path during avalanche. |
| Cathode | Protected line connection / voltage reference node | Connected to line being protected (e.g., 12 V rail); defines polarity and clamping reference. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including powertrain and body electronics per stress test requirements. |
| Glass passivated junction | Ensures long-term reliability and stable electrical parameters under humidity and thermal cycling. |
| MSL Level 1 | Compatible with standard SMT reflow profiles up to 260 °C peak, no floor life limitation. |
| Low Rsurge | Minimizes voltage overshoot during high di/dt transients, improving protection margin for sensitive ICs. |
| UL 94 V-0 molding compound | Self-extinguishing encapsulation meets flame-retardancy requirements for enclosed automotive modules. |
Applications
| Automotive Power Supply Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V power inputs of engine control units (ECUs) against load dump and jump-start surges. IC Role / Device Role / Timing Role: Shunt clamping element placed between power rail and ground, activated within nanoseconds upon overvoltage detection. Use Value: Limits rail voltage to ≤27.6 V during 36.2 A transients, preventing damage to MCU power domains and CAN transceivers. | Use Scenario: Safeguarding analog outputs of pressure or temperature sensors in factory automation PLCs. IC Role / Device Role / Timing Role: Bidirectional-capable but used unidirectionally to clamp induced spikes on 4–20 mA loop wiring. Use Value: Maintains signal integrity by suppressing >1 kV transients while adding <1 µA leakage at 17 V operating point. |
| DC-DC Converter Input Stage | Motor Drive Gate Driver Protection |
Use Scenario: Input surge suppression for 24 V input buck converters powering industrial HMIs. IC Role / Device Role / Timing Role: Primary front-end transient suppressor upstream of input capacitors and controller ICs. Use Value: Absorbs 1000 W pulses without degradation, enabling compliance with IEC 61000-4-5 Level 3 (2 kV line-earth). | Use Scenario: Clamping gate-source voltage spikes on N-channel MOSFETs in BLDC motor inverters. IC Role / Device Role / Timing Role: Fast-acting clamp referenced to source terminal, limiting VGS excursion during Miller-induced ringing. Use Value: Prevents false turn-on and gate oxide stress via 27.6 V clamping at 36.2 A, with <1 ns response time. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ17A-E3/52 | Same VWM/VC specs, but rated for 600 W PPPM (vs. 1000 W); lower IPPM (21.5 A vs. 36.2 A). | Not suitable for high-energy load dump; limited to lower-tier surge immunity standards (e.g., ISO 7637-2 Pulse 1 only). | Select SMB10J17AHE3/52 when full 1000 W capability and AEC-Q101 qualification are required. |
| SMCJ17AHE3/52 | Same VWM/VC, but in larger SMC (DO-214AB) package; higher PPPM (1500 W) and IPPM (52.2 A). | Requires larger PCB footprint and different pad layout; better suited for primary-level board-level protection. | Choose SMB10J17AHE3/52 for space-constrained automotive modules where SMB footprint is mandated. |
Compared with SMBJ17A-E3/52 and SMCJ17AHE3/52, SMB10J17AHE3/52 delivers optimal balance of 1000 W surge capacity, AEC-Q101 compliance, and SMB footprint - making it preferred for mid-tier automotive and industrial power rail protection where both performance and board area are constrained.
Availability
SMB10J17AHE3/52 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interface circuits, and DC-DC converter input stages requiring stable component supply, AEC-Q101 validation, and consistent 1000 W transient suppression performance.
Supply support for SMB10J17AHE3/52 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 qualification.
The SMB10J series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-power-density, AEC-Q101-compliant transient suppression in harsh-environment automotive and industrial power systems.
FAQ
What is the clamping voltage of SMB10J17AHE3/52 at its rated peak pulse current?
The SMB10J17AHE3/52 has a maximum clamping voltage (VC) of 27.6 V at its specified peak pulse current (IPPM) of 36.2 A using the 10/1000 µs waveform. This value is measured under standardized test conditions and defines the upper voltage limit imposed on the protected circuit during surge events. The SMB10J17AHE3/52 maintains this clamping performance across its qualified temperature range and after multiple surge cycles per AEC-Q101 stress testing.
Is SMB10J17AHE3/52 qualified for automotive applications?
Yes, SMB10J17AHE3/52 is explicitly AEC-Q101 qualified, as confirmed by Vishay's documentation and ordering code suffix "HE3". This qualification covers stress tests including high-temperature operating life, temperature cycling, and unbiased highly accelerated stress testing - validating its suitability for under-hood and chassis-mounted automotive modules. The SMB10J17AHE3/52 also meets MSL Level 1 and UL 94 V-0 flammability requirements, further supporting automotive deployment.
What does the "HE3" suffix mean in SMB10J17AHE3/52?
The "HE3" suffix in SMB10J17AHE3/52 indicates RoHS-compliant construction with AEC-Q101 qualification and matte tin-plated leads meeting J-STD-002 solderability standards. It distinguishes this variant from commercial-grade "E3" parts and halogen-free "HM3" versions. The "HE3" designation confirms that the SMB10J17AHE3/52 is manufactured and tested to automotive reliability standards, not just packaged in an automotive-compatible form factor.
Can SMB10J17AHE3/52 be used in bidirectional configurations?
No, SMB10J17AHE3/52 is a unidirectional TVS diode, as indicated by its part number suffix "A" (not "CA") and documented polarity marking (cathode band). It conducts only in reverse bias above VBR; forward conduction is not intended for protection. For bidirectional protection, Vishay offers the SMB8J17CA series - which shares VWM and VC values but uses symmetrical breakdown and lacks polarity marking. Using SMB10J17AHE3/52 in bidirectional circuits risks improper clamping or device failure.
What is the thermal resistance of SMB10J17AHE3/52, and how does it affect layout?
The SMB10J17AHE3/52 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 per terminal. This value assumes minimum recommended pad layout per Vishay's datasheet. To maintain safe junction temperatures during repeated surges, PCB layout must provide adequate copper area and thermal vias - undersized pads increase RθJA, risking thermal runaway. The SMB10J17AHE3/52's RθJL of 20 °C/W further emphasizes the need for solid lead-to-plane connections.
SMB10J17AHE3/52 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):
- 17V
- Voltage - Breakdown (Min):
- 18.9V
- Voltage - Clamping (Max) @ Ipp:
- 27.6V
- Current - Peak Pulse (10/1000µs):
- 36.2A
- 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)
SMB10J17AHE3/52 FAQ
1.How can I place an order for SMB10J17AHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J17AHE3/52 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 SMB10J17AHE3/52 reliable?
The price and inventory of SMB10J17AHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J17AHE3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J17AHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J17AHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J17AHE3/52?
SMB10J17AHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J17AHE3/52 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 SMB10J17AHE3/52?
For technical support, including SMB10J17AHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J17AHE3/52 requirements.
6.How does Aetrix verify that SMB10J17AHE3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J17AHE3/52 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 SMB10J17AHE3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J17AHE3/52?
All SMB10J17AHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J17AHE3/52, 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 SMB10J17AHE3/52 part is unused and in its original packaging.
Return procedure for SMB10J17AHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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