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Vishay General Semiconductor - Diodes Division SMB10J36-E3/52
- Part No.:
- SMB10J36-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J36-E3/52.pdf
- Description:
- TVS DIODE 36VWM 64.3VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,500
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Product details
Overview
SMB10J36-E3/52 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 36 V stand-off voltage (VWM), 40.0–44.2 V breakdown voltage (VBR) at 1 mA, 58.1 V clamping voltage (VC) at 17.2 A peak pulse current (IPPM), and 1000 W peak pulse power (PPPM) with 10/1000 µs waveform. It is AEC-Q101 qualified and used in automotive power supply input protection.
For engineers reviewing the SMB10J36-E3/52 datasheet, SMB10J36-E3/52 pinout, SMB10J36-E3/52 application, or SMB10J36-E3/52 equivalent, key selection criteria include clamping performance under 10/1000 µs transients, unidirectional polarity for DC rail placement, RoHS-compliant matte tin terminations, and MSL Level 1 reflow compatibility up to 260 °C.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: when reverse voltage exceeds VBR, it avalanches to divert surge current away from downstream circuitry while limiting voltage across protected nodes to ≤58.1 V. Its glass-passivated junction ensures stable breakdown and low leakage (<1 µA at 36 V).
Thermal design relies on its RθJA of 72 °C/W and RθJL of 20 °C/W - optimized for PCB copper pad layouts per Vishay's recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) pads per terminal. It sustains 100 A non-repetitive forward surge (IFSM) and operates from –55 °C to +150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - maximum continuous reverse operating voltage before significant leakage; defines safe DC rail operating margin. |
| VBR (min/max) | 40.0 V / 44.2 V at 1 mA - precise avalanche onset range; ensures consistent triggering across production lots. |
| VC @ IPPM | 58.1 V at 17.2 A - clamped voltage during 10/1000 µs surge; determines maximum stress on protected ICs. |
| PPPM | 1000 W - peak power dissipation capability with standard 10/1000 µs waveform; validates robustness against IEC 61000-4-5 surges. |
| ID @ VWM | <1 µA - ultra-low reverse leakage at rated stand-off; prevents excessive quiescent power loss in battery-powered systems. |
| TJ max. | +150 °C - maximum junction temperature; supports under-hood automotive deployment with thermal derating. |
| MSL Level | Level 1 (per J-STD-020) - allows unlimited floor life and peak reflow up to 260 °C; compatible with standard SMT assembly. |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, low-profile plastic case with matte tin-plated leads. Cathode indicated by black band on one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path (cathode-banded side is cathode) | Connected to ground or lower-potential node in unidirectional configuration; enables clamping to reference plane. |
| Cathode | Avalanche voltage reference terminal | Connected to protected line (e.g., 36 V rail); reverse-biased operation triggers clamping when voltage exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable, repeatable breakdown voltage and long-term reliability under repeated surge stress. |
| AEC-Q101 qualification | Validates suitability for automotive powertrain and body electronics applications requiring zero-failure field performance. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast transients, improving clamping precision beyond VC rating alone. |
| UL 94 V-0 molding compound | Meets flammability safety requirements for enclosed industrial and automotive enclosures. |
| J-STD-002/JESD 22-B102 solderability | Guarantees reliable wetting and joint formation during reflow, reducing voiding and cold-solder risks. |
Applications
| Automotive Power Input Protection | Industrial DC Power Rail Clamping |
|---|---|
|
Use Scenario: Protecting 36 V battery-fed ECUs (e.g., HVAC controllers, lighting modules) from load dump and alternator surge events. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between 36 V rail and chassis ground to clamp transients above 44.2 V. Use Value: Limits peak voltage to 58.1 V during 1000 W surges, preventing damage to 40 V-rated DC-DC converters and microcontrollers. |
Use Scenario: Safeguarding programmable logic controller (PLC) 24–48 V backplane power inputs against switching transients from solenoid drivers. IC Role / Device Role / Timing Role: Standoff-rated TVS on main DC bus to absorb repetitive inductive kick energy without degradation. Use Value: Withstands ≥1000 surges at rated PPPM and maintains <1 µA leakage at 36 V, ensuring long-term stability in harsh factory environments. |
| Telecom Line Interface Protection | Consumer Power Adapter Output Clamping |
|
Use Scenario: Shielding RS-485 transceivers and PoE-powered devices connected to 36 V auxiliary supplies from EFT and lightning-induced surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on DC bias line feeding isolated data interfaces. Use Value: Fast response time and 58.1 V clamping prevent latch-up in ±15 V tolerant transceivers during sub-microsecond transients. |
Use Scenario: Secondary-side surge suppression in 36 V wall adapters for smart home hubs and security cameras. IC Role / Device Role / Timing Role: Final-stage TVS on regulated output to meet UL 62368-1 transient immunity requirements. Use Value: RoHS-compliant matte tin terminations and MSL Level 1 enable direct integration into high-volume consumer SMT lines without special handling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36A-E3/52 | Same DO-214AA package, identical VWM (36 V), VBR (40.0–44.2 V), and VC (58.1 V); differs only in base part numbering convention (SMBJ vs SMB10J). | No functional difference; both rated for 1000 W PPPM and AEC-Q101 qualification. | Select SMBJ36A-E3/52 if legacy BOM alignment or distributor stock preference drives sourcing. |
| 1.5SMC36A | DO-214AB (SMC) package - larger footprint (7.11 × 6.22 mm vs SMB's 4.57 × 3.94 mm); same electrical specs but higher thermal mass (RθJA ≈ 40 °C/W). | Better thermal handling for sustained surge duty cycles; requires PCB layout change due to larger pad area. | Choose 1.5SMC36A only when system-level thermal testing shows SMB10J36-E3/52 approaches TJ limit under repetitive stress. |
Compared with SMBJ36A-E3/52, SMB10J36-E3/52 offers identical protection performance in a marginally smaller footprint; versus 1.5SMC36A, it trades thermal robustness for space savings - making SMB10J36-E3/52 optimal for compact automotive modules where board area is constrained but single-event surge dominance is confirmed.
Availability
SMB10J36-E3/52 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial PLC power inputs, and telecom interface protection requiring stable component supply and AEC-Q101 compliance.
Supply support for SMB10J36-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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive-grade qualification.
The SMB10J series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-power-density, surface-mount surge protection in space-constrained automotive and industrial power systems.
FAQ
What is the clamping voltage of SMB10J36-E3/52 and how is it measured?
The SMB10J36-E3/52 has a maximum clamping voltage (VC) of 58.1 V, measured at a peak pulse current (IPPM) of 17.2 A using the standardized 10/1000 µs double-exponential surge waveform. This value reflects the actual voltage seen across the device terminals during worst-case transient events and is critical for verifying that downstream components remain within their absolute maximum ratings. The test condition is defined in ANSI/IEEE C62.35 and verified per Vishay Document Number 88422.
Is SMB10J36-E3/52 suitable for automotive applications?
Yes, SMB10J36-E3/52 is AEC-Q101 qualified and explicitly rated for automotive use, including engine control, body electronics, and infotainment power rails. Its operating junction temperature range of –55 °C to +150 °C, MSL Level 1 reflow compatibility, and glass-passivated junction meet stringent automotive reliability requirements. The "HE3" variant (e.g., SMB10J36AHE3/52) denotes full AEC-Q101 qualification, while the "E3" suffix indicates RoHS-compliant commercial grade - both share identical electrical specs and mechanical construction.
What does the "-E3/52" suffix mean in SMB10J36-E3/52?
The "-E3/52" suffix identifies the packaging and compliance configuration: "E3" denotes RoHS-compliant, matte tin-plated leads meeting JESD 201 Class 1A whisker resistance, and "/52" specifies 750-unit quantity on 7-inch plastic tape-and-reel. This format aligns with Vishay's ordering nomenclature in Document Number 88422 and ensures compatibility with standard SMT pick-and-place equipment and IPC-A-610 Class 2/3 assembly processes.
How does SMB10J36-E3/52 differ from bi-directional variants like SMB8J36CA?
SMB10J36-E3/52 is unidirectional, intended for DC line protection where polarity is fixed (e.g., 36 V rail to ground), offering 1000 W peak pulse power. In contrast, SMB8J36CA is bi-directional, rated for 800 W PPPM and used in AC-coupled or polarity-agnostic paths (e.g., data lines). Their breakdown voltages match (40.0–44.2 V), but SMB10J36-E3/52 exhibits lower clamping impedance in forward conduction and supports 100 A IFSM - a capability absent in bi-directional types.
What PCB layout guidance applies to SMB10J36-E3/52 for optimal thermal and surge performance?
Vishay specifies mounting SMB10J36-E3/52 on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve rated thermal resistance (RθJA = 72 °C/W) and surge current capacity. Traces should be short and wide to minimize inductance; avoid thermal relief on pads to maximize heat dissipation. The DO-214AA outline drawing (Document Number 88422, page 5) defines exact pad dimensions and spacing - deviation may reduce PPPM derating margin and increase clamping voltage under real-world transients.
SMB10J36-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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 64.3V
- Current - Peak Pulse (10/1000µs):
- 15.6A
- 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)
SMB10J36-E3/52 FAQ
1.How can I place an order for SMB10J36-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J36-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 SMB10J36-E3/52 reliable?
The price and inventory of SMB10J36-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 SMB10J36-E3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J36-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J36-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J36-E3/52?
SMB10J36-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J36-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 SMB10J36-E3/52?
For technical support, including SMB10J36-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J36-E3/52 requirements.
6.How does Aetrix verify that SMB10J36-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J36-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 SMB10J36-E3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J36-E3/52?
All SMB10J36-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J36-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 SMB10J36-E3/52 part is unused and in its original packaging.
Return procedure for SMB10J36-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J36-E3/52 Tags
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