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Vishay General Semiconductor - Diodes Division SMB10J36AHE3_B/H
- Part No.:
- SMB10J36AHE3_B/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J36AHE3_B/H.pdf
- Description:
- 1KW,36V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMB10J36AHE3_B/H from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for high-energy surge protection with 1000 W peak pulse power (10/1000 µs), 36 V stand-off voltage (VWM), and 58.1 V clamping voltage at 17.2 A peak pulse current. It is AEC-Q101 qualified and used to protect automotive sensor signal lines and power rails against inductive switching transients.
For engineers reviewing the SMB10J36AHE3_B/H datasheet, SMB10J36AHE3_B/H pinout, SMB10J36AHE3_B/H application, or SMB10J36AHE3_B/H equivalent, key selection criteria include clamping performance under 10/1000 µs surges, AEC-Q101 qualification status, unidirectional polarity, thermal resistance (RθJA = 72 °C/W), 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 36 V (VWM), it avalanches at 40.0–44.2 V (VBR) and clamps transients to ≤58.1 V at 17.2 A (IPPM). Its glass-passivated junction ensures stable breakdown and low leakage (<1.0 µA at VWM).
Designed for automotive-grade reliability, SMB10J36AHE3_B/H meets MSL Level 1 (260 °C reflow), JESD201 Class 2 whisker resistance, and UL 94 V-0 flammability. It delivers fast response time (<1 ns) and low incremental surge resistance, enabling robust protection of 12 V/24 V vehicle subsystems without sacrificing signal integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - maximum continuous reverse operating voltage before conduction begins |
| VBR (min/max) | 40.0 V / 44.2 V at 1.0 mA - precise avalanche threshold range defining turn-on consistency |
| VC @ IPPM | 58.1 V at 17.2 A - clamping voltage limiting downstream IC stress during 10/1000 µs surge |
| PPPM | 1000 W - peak pulse power handling capacity per standard 10/1000 µs waveform |
| IFSM | 100 A - non-repetitive forward surge current rating (8.3 ms half-sine) |
| TJ max | +150 °C - maximum junction temperature enabling operation in under-hood environments |
| RθJA | 72 °C/W - thermal resistance from junction to ambient on standard 0.2" × 0.2" copper pads |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD22-B102. Cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / surge return path | Connected to protected circuit ground or low-side reference; enables unidirectional clamping from cathode to anode |
| Cathode | Protected line connection / surge sink | Connected to line being protected (e.g., sensor supply or CAN bus); conducts surge current to anode during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, humidity, and mechanical shock per stress test requirements |
| Glass passivated junction | Ensures stable VBR tolerance, low leakage (<1.0 µA), and long-term reliability under repeated surge events |
| MSL Level 1 rating | Supports lead-free reflow up to 260 °C peak without popcorn or delamination risk |
| Low profile SMB package | Enables high-density PCB layout and compatibility with standard SMT pick-and-place equipment |
| UL 94 V-0 molding compound | Provides flame-retardant housing required for automotive interior and engine compartment applications |
Applications
| Automotive Sensor Protection | Industrial Power Rail Clamping |
|---|---|
Use Scenario: Protecting analog output lines of pressure, temperature, or position sensors in engine control units exposed to load dump and inductive kickback. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between sensor VOUT and ground to clamp transients before they reach ADC input or signal conditioning amplifier. Use Value: Limits voltage seen by downstream ICs to ≤58.1 V during 1000 W surges, preserving signal accuracy and preventing latch-up in 3.3 V/5 V interface circuits. | Use Scenario: Safeguarding 24 V DC power distribution networks in factory automation PLCs against relay coil de-energization spikes. IC Role / Device Role / Timing Role: Parallel-connected TVS on main 24 V rail to divert surge energy away from DC-DC converters and microcontrollers. Use Value: Withstands 100 A IFSM and maintains clamping below 60 V, preventing brownout or reset events during repetitive switching transients. |
| Automotive Body Control Module (BCM) | Telecom Interface Protection |
Use Scenario: Securing LIN bus communication lines in door modules and lighting controllers subjected to ESD and battery reversal transients. IC Role / Device Role / Timing Role: Unidirectional TVS on LIN data line referenced to vehicle chassis ground, absorbing ±30 kV ESD per IEC 61000-4-2. Use Value: Fast <1 ns response and low capacitance ensure minimal signal distortion on 19.2 kbps LIN signals while meeting AEC-Q101 lifetime requirements. | Use Scenario: Protecting RS-485 transceiver inputs in base station remote radio units exposed to lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Primary-level TVS on differential pair (A/B) to limit common-mode overvoltage before it reaches transceiver ESD structures. Use Value: 1000 W PPPM and 58.1 V VC provide margin above RS-485's ±12 V common-mode range, reducing need for secondary protection stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36AHE3_A/H | Same VWM (36 V), identical SMB package, but rated for 600 W PPPM (vs. 1000 W) | Limited to lower-energy surge environments (e.g., consumer electronics); insufficient for automotive load dump per ISO 7637-2 Pulse 5a | Select SMB10J36AHE3_B/H when full 1000 W surge immunity is required in harsh automotive or industrial settings. |
| SMCJ36AHE3/73 | Higher PPPM (1500 W), same VWM and VC, but larger SMC (DO-214AB) package (7.11 mm × 6.22 mm vs. 4.57 mm × 3.94 mm) | Requires larger PCB footprint and higher mounting pad area; not suitable for space-constrained modules | Choose SMB10J36AHE3_B/H where board space is constrained but 1000 W capability is mandatory-no layout change needed versus legacy SMB designs. |
Compared with SMBJ36AHE3_A/H and SMCJ36AHE3/73, SMB10J36AHE3_B/H uniquely balances 1000 W surge rating, AEC-Q101 qualification, and compact SMB footprint-making it optimal for next-generation automotive ECUs where thermal density and reliability must coexist within tight mechanical envelopes.
Availability
SMB10J36AHE3_B/H is available at Aetrix Electronics and suitable for automotive sensor protection, industrial power rail clamping, body control module hardening, and telecom interface surge suppression requiring stable component supply across production lifecycles.
Supply support for SMB10J36AHE3_B/H 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 SMB10J series belongs to Vishay's TRANSZORB® TVS portfolio, engineered specifically for high-power-density, AEC-Q101-compliant transient suppression in automotive and industrial systems where space, thermal performance, and surge immunity are simultaneously critical.
FAQ
What is the clamping voltage of SMB10J36AHE3_B/H at its rated peak pulse current?
The SMB10J36AHE3_B/H has a maximum clamping voltage (VC) of 58.1 V at its specified peak pulse current (IPPM) of 17.2 A under a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during surge events. The SMB10J36AHE3_B/H maintains this clamping performance across its qualified operating temperature range of -55 °C to +150 °C.
Is SMB10J36AHE3_B/H suitable for automotive applications?
Yes, SMB10J36AHE3_B/H is explicitly AEC-Q101 qualified and manufactured with halogen-free, RoHS-compliant materials. Its construction-including glass-passivated junction, MSL Level 1 reflow rating, and UL 94 V-0 molding compound-meets automotive environmental and reliability requirements. The SMB10J36AHE3_B/H is commonly deployed in engine control units, body control modules, and ADAS sensor interfaces where sustained operation at +150 °C junction temperature is required.
What does the "HE3" suffix indicate in SMB10J36AHE3_B/H?
The "HE3" suffix in SMB10J36AHE3_B/H denotes RoHS-compliant construction with AEC-Q101 qualification. The "H" in the ordering code specifies 7" diameter tape-and-reel packaging (750 units per reel), while "B/H" indicates the revision level and packaging configuration per Vishay's ordering nomenclature. This distinguishes SMB10J36AHE3_B/H from commercial-grade variants (e.g., E3) and halogen-free AEC-Q101 versions (HM3).
How does SMB10J36AHE3_B/H differ from bidirectional TVS diodes like SMB8J36CAHE3_B/H?
SMB10J36AHE3_B/H is unidirectional and intended for DC line protection where polarity is fixed (e.g., 24 V supply rails), offering 1000 W peak pulse power. In contrast, SMB8J36CAHE3_B/H is bidirectional with symmetrical breakdown, rated for 800 W, and suited for AC or differential signal lines (e.g., RS-485). The SMB10J36AHE3_B/H provides higher surge capacity and lower clamping in single-polarity applications, while SMB8J36CAHE3_B/H supports bipolar transients without polarity constraints.
What is the thermal resistance of SMB10J36AHE3_B/H, and how does it affect PCB layout?
SMB10J36AHE3_B/H 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. To maintain safe junction temperatures under repeated surges, designers must allocate adequate copper area and consider thermal vias beneath the SMB pads. Reducing RθJA via enhanced copper pour directly improves surge endurance and long-term reliability of the SMB10J36AHE3_B/H in thermally demanding applications.
SMB10J36AHE3_B/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 58.1V
- Current - Peak Pulse (10/1000µs):
- 17.2A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J36AHE3_B/H FAQ
1.How can I place an order for SMB10J36AHE3_B/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J36AHE3_B/H 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 SMB10J36AHE3_B/H reliable?
The price and inventory of SMB10J36AHE3_B/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J36AHE3_B/H is usually 5 days.
3.What payment methods are accepted for SMB10J36AHE3_B/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J36AHE3_B/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J36AHE3_B/H?
SMB10J36AHE3_B/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J36AHE3_B/H 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 SMB10J36AHE3_B/H?
For technical support, including SMB10J36AHE3_B/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J36AHE3_B/H requirements.
6.How does Aetrix verify that SMB10J36AHE3_B/H is sourced from the original manufacturer or authorized distributors?
All SMB10J36AHE3_B/H 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 SMB10J36AHE3_B/H meets industry standards.
7.What is the process for return or replacement of SMB10J36AHE3_B/H?
All SMB10J36AHE3_B/H units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J36AHE3_B/H, 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 SMB10J36AHE3_B/H part is unused and in its original packaging.
Return procedure for SMB10J36AHE3_B/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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