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Vishay General Semiconductor - Diodes Division SMB10J36A-M3/52
- Part No.:
- SMB10J36A-M3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J36A-M3/52.pdf
- Description:
- TVS DIODE 36VWM 58.1VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMB10J36A-M3/52 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 36 V stand-off voltage (VWM), 40.0–44.2 V breakdown voltage (VBR), 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 - deployed in automotive power supply inputs and industrial sensor interfaces.
For engineers reviewing the SMB10J36A-M3/52 datasheet, SMB10J36A-M3/52 pinout, SMB10J36A-M3/52 application, or SMB10J36A-M3/52 equivalent, this part delivers AEC-Q101-qualified transient suppression for 12 V/24 V systems where low clamping voltage, fast response (<1 ns), and MSL Level 1 reflow compatibility are critical selection criteria.
Technical Context
This unidirectional TVS diode operates as a voltage-clamped shunt protector: under normal conditions it presents <1 µA leakage at 36 V; during transients exceeding VBR, it avalanches to clamp voltage ≤58.1 V while dissipating up to 1000 W for 10/1000 µs pulses. Its glass-passivated junction ensures stable breakdown and low incremental surge resistance.
Thermal performance is defined by RθJA = 72 °C/W and RθJL = 20 °C/W, enabling reliable operation up to TJ = +150 °C. The device is halogen-free and RoHS-compliant (M3 suffix), qualified per AEC-Q101 for automotive-grade reliability without derating below -55 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - maximum continuous reverse operating voltage before significant leakage; sets upper limit for protected circuit DC rail. |
| VBR min/max | 40.0 V / 44.2 V at IT = 1.0 mA - defines precise avalanche initiation window for predictable turn-on behavior. |
| VC @ IPPM | 58.1 V at IPPM = 17.2 A - clamping voltage under full-rated 1000 W surge; determines maximum stress on downstream ICs. |
| PPPM | 1000 W (10/1000 µs) - peak surge energy handling capacity; supports IEC 61000-4-5 Level 4 compliance when properly laid out. |
| ID @ VWM | 1.0 µA - ultra-low reverse leakage at rated stand-off; minimizes quiescent power loss in battery-powered systems. |
| TJ max | +150 °C - enables use in under-hood automotive environments and high-ambient industrial enclosures. |
| Package | SMB (DO-214AA) - surface-mount footprint with 5.59 mm × 3.94 mm body; compatible with automated pick-and-place and J-STD-020 reflow (260 °C peak). |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case with matte tin-plated leads; cathode indicated by color band on one end. Mounting requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal per Vishay recommended layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or lowest potential point; establishes reference for clamping action. |
| Cathode | Protected line input | Connected to line being protected (e.g., 24 V supply rail); avalanche conduction occurs from cathode to anode during overvoltage. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control units and body electronics with zero defects in accelerated lifetime testing. |
| Halogen-free & RoHS-compliant (M3) | Meets global environmental regulations and JESD201 Class 2 whisker resistance; suitable for lead-free assembly. |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes voltage overshoot during surge events, reducing risk of latch-up or damage to 3.3 V/5 V logic interfaces downstream. |
| MSL Level 1 rating | Allows unlimited floor life and single reflow at 260 °C peak without baking - simplifies manufacturing logistics. |
| Glass-passivated junction | Ensures stable VBR over temperature and lifetime, with minimal parameter drift versus epoxy-passivated alternatives. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Clamp |
|---|---|
Use Scenario: 24 V battery-fed ECU power rail exposed to load dump (ISO 16750-2) and jump-start surges. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between VIN and GND to clamp transients before they reach DC-DC converter input. Use Value: Clamps 300 V/100 ms load dump to ≤58.1 V, protecting upstream regulators and enabling compliance with ISO 7637-2 Pulse 5a. |
Use Scenario: Analog output line (e.g., 4–20 mA transmitter) routed through noisy factory environment with inductive switching noise. IC Role / Device Role / Timing Role: Low-capacitance TVS installed differential-mode across signal and return, referenced to local ground. Use Value: Sub-1 ns response limits induced voltage spikes to <60 V, preserving ADC input integrity and preventing op-amp saturation. |
| Telecom DC Power Feeder Protection | Consumer Appliance Motor Drive Surge Suppression |
Use Scenario: -48 V telecom power feed line subject to lightning-induced surges on outdoor plant wiring. IC Role / Device Role / Timing Role: Primary-level unidirectional TVS on input stage of DC-DC brick, coordinated with upstream gas discharge tube. Use Value: 1000 W PPPM rating handles multi-kA induced currents; low VWM allows operation within -48 V ±10% tolerance band. |
Use Scenario: Brushed DC motor controller PCB where flyback spikes from H-bridge switching threaten MCU GPIO and gate drivers. IC Role / Device Role / Timing Role: TVS mounted at motor connector entry point, clamping inductive kickback before propagation onto shared ground plane. Use Value: 100 A IFSM rating withstands repeated commutation surges; SMB package fits tight space constraints near connectors. |
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-M3/52 | Same VWM/VBR/VC specs but lower PPPM (600 W vs. 1000 W); identical SMB package and M3 halogen-free construction. | Limited to lower-energy transients (e.g., IEC 61000-4-4 Level 3); insufficient for ISO 16750-2 load dump. | Select SMBJ36A-M3/52 only if system-level surge testing confirms <600 W requirement and cost optimization is prioritized. |
| SMCJ36A-M3/52 | Same electrical specs but larger SMC (DO-214AB) package; higher thermal mass yields RθJA = 35 °C/W (vs. 72 °C/W). | Better sustained surge handling and lower junction temperature rise; requires larger PCB area and different pad layout. | Choose SMCJ36A-M3/52 when thermal margin is constrained or multiple surges occur in rapid succession. |
Compared with SMBJ36A-M3/52 and SMCJ36A-M3/52, SMB10J36A-M3/52 uniquely balances 1000 W surge capability with SMB footprint - enabling high-power protection in space-constrained automotive modules without thermal derating penalties of smaller packages or layout changes required by larger SMC.
Availability
SMB10J36A-M3/52 is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor transmitters, telecom power feeds, and consumer appliance motor controllers requiring stable component supply with AEC-Q101 assurance and halogen-free compliance.
Supply support for SMB10J36A-M3/52 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 SMB10JxxA series belongs to Vishay's TRANSZORB® high-power TVS family, engineered specifically for robust transient suppression in harsh automotive and industrial environments where failure modes must be eliminated under repetitive surge stress.
FAQ
What is the clamping voltage of SMB10J36A-M3/52 at its rated peak pulse current?
The SMB10J36A-M3/52 has a maximum clamping voltage (VC) of 58.1 V when subjected to its rated peak pulse current (IPPM) of 17.2 A using the standard 10/1000 µs waveform. This value is measured at the device terminals under specified test conditions and defines the upper voltage limit imposed on the protected circuit during a full-rated surge event. The SMB10J36A-M3/52 maintains this clamping performance across its operational temperature range and after repeated surge exposures per AEC-Q101 stress protocols.
Is SMB10J36A-M3/52 suitable for automotive applications?
Yes, SMB10J36A-M3/52 is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments with operating junction temperatures up to +150 °C. Its halogen-free (M3) construction, MSL Level 1 reflow rating, and validated performance against load dump (ISO 16750-2) and transient burst (ISO 7637-2) make it appropriate for engine control units, body control modules, and ADAS power supplies. The SMB10J36A-M3/52 meets all stress test requirements defined in the AEC-Q101 standard for transient voltage suppressors.
How does the SMB10J36A-M3/52 differ from the SMBJ36A-M3/52?
The SMB10J36A-M3/52 delivers 1000 W peak pulse power (PPPM), whereas the SMBJ36A-M3/52 is rated for 600 W - a 67 % higher surge energy capacity. Both share identical VWM (36 V), VBR (40.0–44.2 V), VC (58.1 V), and SMB package dimensions, but SMB10J36A-M3/52 achieves higher power via optimized chip geometry and thermal path design. The SMB10J36A-M3/52 is therefore preferred for ISO 16750-2 load dump protection, while SMBJ36A-M3/52 suffices for lower-energy IEC 61000-4-4 applications.
What is the reverse leakage current of SMB10J36A-M3/52 at its stand-off voltage?
The SMB10J36A-M3/52 exhibits a maximum reverse leakage current (ID) of 1.0 µA when biased at its rated stand-off voltage (VWM) of 36 V and tested at 25 °C. This ultra-low leakage ensures minimal power drain in always-on systems such as automotive telematics modules or industrial IoT sensors operating from battery or energy-harvesting sources. Leakage remains below 5 µA up to +125 °C ambient, per Vishay's thermal derating curves.
Does SMB10J36A-M3/52 have polarity marking, and how is it identified?
Yes, SMB10J36A-M3/52 is a unidirectional TVS diode with polarity clearly marked: a colored band on the cathode end of the SMB (DO-214AA) package indicates the cathode terminal. During PCB layout, the banded end must connect to the line being protected (e.g., 24 V rail), while the opposite (anode) end connects to system ground. This orientation ensures proper avalanche conduction during positive-going transients. No marking appears on bidirectional variants, but SMB10J36A-M3/52 is strictly unidirectional and always banded.
SMB10J36A-M3/52 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):
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SMB10J36A-M3/52 FAQ
1.How can I place an order for SMB10J36A-M3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J36A-M3/52 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 SMB10J36A-M3/52 reliable?
The price and inventory of SMB10J36A-M3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J36A-M3/52 is usually 5 days.
3.What payment methods are accepted for SMB10J36A-M3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J36A-M3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J36A-M3/52?
SMB10J36A-M3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J36A-M3/52 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 SMB10J36A-M3/52?
For technical support, including SMB10J36A-M3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J36A-M3/52 requirements.
6.How does Aetrix verify that SMB10J36A-M3/52 is sourced from the original manufacturer or authorized distributors?
All SMB10J36A-M3/52 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 SMB10J36A-M3/52 meets industry standards.
7.What is the process for return or replacement of SMB10J36A-M3/52?
All SMB10J36A-M3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J36A-M3/52, 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 SMB10J36A-M3/52 part is unused and in its original packaging.
Return procedure for SMB10J36A-M3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J36A-M3/52 Tags
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