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Vishay General Semiconductor - Diodes Division SMB10J15HE3/52
- Part No.:
- SMB10J15HE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J15HE3/52.pdf
- Description:
- TVS DIODE 15VWM 26.9VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,702
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Product details
Overview
SMB10J15HE3/52 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 15 V stand-off voltage (VWM), 24.4 V maximum clamping voltage (VC) at 41.0 A peak pulse current (IPPM), and 1000 W peak pulse power (10/1000 µs waveform), making it suitable for automotive power rail and industrial sensor interface protection.
For engineers reviewing the SMB10J15HE3/52 datasheet, SMB10J15HE3/52 pinout, SMB10J15HE3/52 application, or SMB10J15HE3/52 equivalent, key selection criteria include its AEC-Q101 qualification, low incremental surge resistance, glass-passivated junction, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This unidirectional TVS diode operates as a voltage-clamped crowbar device during transients, leveraging an avalanche breakdown mechanism to divert surge energy away from downstream ICs. Its 16.7–18.5 V breakdown voltage range (VBR at 1.0 mA) ensures reliable triggering above normal operating voltage while maintaining low leakage (<1.0 µA at VWM = 15 V).
Thermal performance is defined by RθJA = 72 °C/W and RθJL = 20 °C/W, enabling sustained operation up to TJ = 150 °C. The device meets MSL Level 1 per J-STD-020 and supports lead-free reflow up to 260 °C peak temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 15 V - Maximum continuous reverse operating voltage before conduction begins; sets safe margin above nominal 12 V automotive supply rails. |
| VBR (min/max) | 16.7 V / 18.5 V - Breakdown voltage range at 1.0 mA test current; guarantees consistent turn-on across production lots. |
| VC @ IPPM | 24.4 V - Clamping voltage at 41.0 A peak pulse current; limits voltage seen by protected circuit during 10/1000 µs surge. |
| PPPM | 1000 W - Peak pulse power handling (10/1000 µs); enables robust protection against ISO 7637-2 Pulse 1/2a/5a surges. |
| IFSM | 100 A - Non-repetitive forward surge current (8.3 ms half-sine); supports protection against load dump events. |
| TJ max | 150 °C - Maximum junction temperature; allows operation in under-hood automotive environments. |
| Package | DO-214AA (SMB) - Surface-mount package with 0.205" × 0.220" footprint; compatible with standard SMT pick-and-place and reflow profiles. |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, cathode indicated by a color band on the marked end. Terminals are solderable per J-STD-002 and JESD 22-B102; meets UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or low-impedance return path; carries full surge current during clamping. |
| Cathode | High-side connection point | Connected to protected line (e.g., 12 V rail or signal trace); polarity marking ensures correct orientation. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock testing. |
| Glass passivated chip junction | Enhances long-term stability and moisture resistance versus epoxy-passivated alternatives; improves surge lifetime. |
| MSL Level 1 (260 °C peak) | Enables single-reflow assembly without preconditioning; eliminates moisture-related popcorning risk. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., ESD or inductive switch-off), improving protection margin. |
| Uni-directional configuration | Provides asymmetric clamping ideal for DC-biased lines (e.g., automotive power rails), avoiding reverse conduction issues. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator transients per ISO 7637-2. IC Role / Device Role / Timing Role: Primary overvoltage clamp placed between power input and upstream DC/DC converter or LDO. Use Value: Limits transient voltage to ≤24.4 V during 1000 W surges, preventing damage to 36 V-rated regulators and microcontrollers. |
Use Scenario: Safeguarding analog sensor outputs (e.g., pressure, temperature) connected to MCU ADC inputs in factory automation systems. IC Role / Device Role / Timing Role: Low-capacitance shunt protector on differential or single-ended signal lines exposed to relay-induced spikes. Use Value: Clamps induced transients within 1 ns response time while adding <1 pF junction capacitance, preserving signal integrity up to 100 MHz. |
| Consumer Power Adapter Input | Telecom Line Card Surge Protection |
|
Use Scenario: Secondary-side surge suppression on 5–24 V DC outputs of wall adapters used in smart home hubs and IoT gateways. IC Role / Device Role / Timing Role: Final-stage TVS after primary isolation, absorbing residual surges that bypass Y-capacitor filtering. Use Value: Withstands repeated 10/1000 µs surges up to 1000 W without degradation, extending adapter field life beyond 10 years. |
Use Scenario: Front-end protection for Ethernet PHY interfaces or RS-485 transceivers in outdoor telecom cabinets subjected to lightning-induced surges. IC Role / Device Role / Timing Role: First-line defense in series with gas discharge tube (GDT) or polymer PTC, sharing surge energy via coordinated clamping. Use Value: Provides precise 24.4 V clamping threshold to prevent premature latch-up of 25 V-rated transceivers during multi-kV line-to-ground events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ15A-E3/52 | Same DO-214AA package and 15 V VWM, but rated for 600 W PPPM (vs. 1000 W) and higher VC = 24.4 V at lower IPPM = 24.5 A. | Not AEC-Q101 qualified; intended for commercial-grade consumer/industrial use only. | Select when cost sensitivity outweighs automotive qualification and 1000 W surge headroom. |
| 1.5SMC15A | Same 15 V VWM and 1000 W rating, but in larger DO-214AB (SMC) package (0.315" × 0.260"); RθJA = 30 °C/W vs. 72 °C/W. | Better thermal dissipation allows higher duty-cycle surge handling; requires larger PCB area and different stencil design. | Select when board space permits and thermal management under repetitive surges is critical. |
Compared with SMBJ15A-E3/52 and 1.5SMC15A, SMB10J15HE3/52 uniquely combines AEC-Q101 qualification, 1000 W capability in the compact SMB outline, and optimized thermal resistance for space-constrained automotive modules.
Availability
SMB10J15HE3/52 is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor systems, and telecom infrastructure requiring stable component supply with full traceability and long-lifecycle support.
Supply support for SMB10J15HE3/52 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, efficiency, and application-specific optimization.
The SMB10JxxHE3 series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-power-density, AEC-Q101-compliant transient suppression in harsh automotive and industrial environments.
FAQ
What is the clamping voltage of SMB10J15HE3/52 at its rated peak pulse current?
The SMB10J15HE3/52 has a maximum clamping voltage (VC) of 24.4 V at its rated peak pulse current (IPPM) of 41.0 A under a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 standards and ensures protected circuits experience no more than 24.4 V during worst-case surge events. The SMB10J15HE3/52 achieves this with low incremental surge resistance, minimizing voltage overshoot beyond the specified VC.
Is SMB10J15HE3/52 suitable for automotive applications?
Yes, SMB10J15HE3/52 is AEC-Q101 qualified and explicitly designed for automotive use, including engine control units, body electronics, and ADAS sensors. Its construction includes glass-passivated junction, MSL Level 1 moisture sensitivity, and operation up to 150 °C junction temperature. The SMB10J15HE3/52 also meets ISO 7637-2 surge immunity requirements when applied with appropriate PCB layout (e.g., 5.0 mm × 5.0 mm copper pads per terminal).
How does the HE3 suffix differ from E3 in SMB10J15HE3/52?
The HE3 suffix in SMB10J15HE3/52 indicates RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance, whereas E3 denotes RoHS compliance only (commercial grade). The HE3 variant undergoes additional stress testing including temperature cycling, high-temperature operating life, and unbiased highly accelerated stress testing (uHAST), making SMB10J15HE3/52 appropriate for mission-critical automotive deployments where long-term reliability is mandatory.
What is the thermal resistance of SMB10J15HE3/52, and how does it affect layout?
The SMB10J15HE3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 72 °C/W and junction-to-lead (RθJL) of 20 °C/W. These values assume mounting on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. To maintain safe junction temperatures under repeated surges, PCB layout must provide adequate copper area and thermal vias-reducing pad size below specification increases RθJA and risks thermal runaway during high-duty-cycle transients. The SMB10J15HE3/52 datasheet specifies exact pad dimensions in inches and millimeters for optimal thermal performance.
Can SMB10J15HE3/52 be used in bi-directional configurations?
No, SMB10J15HE3/52 is a unidirectional TVS diode, identified by its cathode band marking and specified electrical characteristics for single-polarity operation. For bi-directional protection at 15 V standoff, Vishay offers the SMB8J15CA variant (800 W rating, same VWM). Using SMB10J15HE3/52 in reverse-biased mode would result in unintended conduction and failure; the SMB10J15HE3/52 must be oriented with cathode toward the protected line and anode to ground or low-impedance return.
SMB10J15HE3/52 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):
- 15V
- Voltage - Breakdown (Min):
- 16.7V
- Voltage - Clamping (Max) @ Ipp:
- 26.9V
- Current - Peak Pulse (10/1000µs):
- 37.2A
- 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)
SMB10J15HE3/52 FAQ
1.How can I place an order for SMB10J15HE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J15HE3/52 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 SMB10J15HE3/52 reliable?
The price and inventory of SMB10J15HE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J15HE3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J15HE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J15HE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J15HE3/52?
SMB10J15HE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J15HE3/52 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 SMB10J15HE3/52?
For technical support, including SMB10J15HE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J15HE3/52 requirements.
6.How does Aetrix verify that SMB10J15HE3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J15HE3/52 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 SMB10J15HE3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J15HE3/52?
All SMB10J15HE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J15HE3/52, 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 SMB10J15HE3/52 part is unused and in its original packaging.
Return procedure for SMB10J15HE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J15HE3/52 Tags
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