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Vishay General Semiconductor - Diodes Division SMBJ13D-M3/I
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- Part No.:
- SMBJ13D-M3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ13D-M3/I.pdf
- Description:
- TVS DIODE 13VWM 21.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,181
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Product details
Overview
SMBJ13D-M3/I from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping inductive switching transients and ESD events on power and signal lines. It features a 13 V stand-off voltage (VWM), 14.6–15.7 V breakdown voltage (VBR) at 1 mA, 21.2 V maximum clamping voltage (VC) at 28.3 A peak pulse current (IPPM), and 600 W peak pulse power (10/1000 μs waveform).
For engineers reviewing the SMBJ13D-M3/I datasheet, SMBJ13D-M3/I pinout, SMBJ13D-M3/I application, or SMBJ13D-M3/I equivalent, this device is selected for robust overvoltage protection in DC power rails, sensor interfaces, and MOSFET gate drivers where tight VBR tolerance (±3.5 %), low leakage (<0.5 μA at VWM), and MSL Level 1 reflow compatibility are critical.
Technical Context
This unidirectional TVS operates as a voltage-clamping device that remains high-impedance below 13 V and rapidly transitions to low-impedance conduction above its 14.6–15.7 V breakdown threshold. Its 21.2 V clamping voltage at 28.3 A ensures protected downstream circuitry sees minimal overvoltage during 600 W transient events.
The SMBJ13D-M3/I uses silicon avalanche junction technology with a 125 °C/W junction-to-ambient thermal resistance (RθJA) on standard PCB pads and meets UL 497B recognition (QVGQ2). Its matte tin-plated leads comply with J-STD-002 solderability and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 14.6 V / 15.7 V at 1 mA - Tight ±3.5 % tolerance ensures predictable turn-on across production lots |
| VC @ IPPM | 21.2 V at 28.3 A - Clamping voltage limits stress on protected ICs during 10/1000 μs surges |
| PPPM | 600 W - Peak surge power handling capability per 10/1000 μs waveform, 0.01 % duty cycle |
| ID @ VWM | <0.5 μA - Ultra-low leakage preserves battery life and avoids false triggering in high-impedance circuits |
| Package | SMB (DO-214AA) - Standardized surface-mount outline with 5.59 mm × 4.06 mm footprint and MSL Level 1 rating |
| TJ max | +150 °C - Enables reliable operation in under-hood automotive and industrial ambient environments |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case with matte tin-plated leads; polarity indicated by cathode band on one end; compliant with UL 94 V-0 flammability rating and RoHS/halogen-free requirements (M3 suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or lowest potential node in unidirectional clamp configuration |
| Cathode (banded end) | High-side input terminal | Connected to protected line (e.g., 12 V rail or sensor output); conducts when voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| ±3.5 % VBR tolerance | Enables precise overvoltage threshold setting without design margin inflation |
| 600 W peak pulse power | Withstands IEC 61000-4-5 Level 4 surges (4 kV line-earth) on properly laid out PCBs |
| MSL Level 1 rating | Supports single-reflow assembly at 260 °C peak without preconditioning or baking |
| 0.5 μA max ID at VWM | Minimizes standby current draw in always-on battery-powered systems |
| UL 497B recognized (QVGQ2) | Validates suitability for telecom and industrial equipment safety certification |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V supply lines in vehicle body control modules from load-dump and inductive kickback. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed between battery rail and DC/DC converter input. Use Value: Limits transient voltage to ≤21.2 V, preventing damage to 36 V-rated input stages while maintaining <0.5 μA leakage at nominal 13 V operation. | Use Scenario: Shielding analog outputs of pressure/temperature sensors in PLC I/O modules from field wiring surges. IC Role / Device Role / Timing Role: Low-capacitance TVS connected across sensor output and ground to shunt fast transients. Use Value: Clamps 1 kV/50 Ω surge to 21.2 V within nanoseconds, preserving signal integrity without loading the 100 kΩ sensor output impedance. |
| Consumer Device USB Port Protection | MOSFET Gate Driver Transient Suppression |
Use Scenario: Safeguarding USB VBUS lines in portable chargers and docking stations against ESD and hot-swap spikes. IC Role / Device Role / Timing Role: Unidirectional TVS installed between VBUS and GND, upstream of USB controller power input. Use Value: Responds in <1 ns to 8 kV contact ESD (IEC 61000-4-2), clamping to 21.2 V without degrading 5 V regulation stability. | Use Scenario: Preventing gate oxide rupture in high-side N-channel MOSFETs driven by microcontrollers in motor control inverters. IC Role / Device Role / Timing Role: TVS placed between gate and source to clamp Miller-induced voltage spikes during switching. Use Value: Limits gate-source voltage to ≤21.2 V during 600 W inductive turn-off events, ensuring safe operation below typical 25 V VGS(max) ratings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A-M3/I | Same VWM (13 V) and VC (21.2 V), but ±5 % VBR tolerance (13.7–14.9 V) vs. ±3.5 % for SMBJ13D-M3/I | Lower precision clamping; acceptable where tighter threshold control is not required | Select SMBJ13A-M3/I only if cost sensitivity outweighs need for consistent turn-on behavior across temperature and lot variance. |
| P6SMB13A | Same SMB package and VWM (13 V), but higher VC (21.5 V) and lower IPPM (27.3 A); 600 W rating confirmed | Marginally higher clamping voltage reduces protection margin for 20 V-tolerant ICs | Use P6SMB13A only when legacy BOM alignment or distributor stock availability dictates substitution; verify clamping margin in final layout. |
Compared with SMBJ13A-M3/I and P6SMB13A, the SMBJ13D-M3/I delivers superior VBR consistency (±3.5 %), identical 600 W surge rating, and UL 497B recognition-making it preferred for new designs requiring repeatable clamping performance and safety compliance.
Availability
SMBJ13D-M3/I is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface protection, and consumer device USB port protection requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMBJ13D-M3/I 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, precision, and application-specific optimization.
The SMBJ series is engineered for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom infrastructure where robustness, tight parametric control, and safety certification are mandatory.
FAQ
What is the maximum clamping voltage of SMBJ13D-M3/I under a 10/1000 μs surge?
The SMBJ13D-M3/I has a maximum clamping voltage (VC) of 21.2 V when subjected to its rated peak pulse current of 28.3 A using the standardized 10/1000 μs waveform. This value is guaranteed across the full operating temperature range and defines the upper voltage limit imposed on protected circuitry during transient events.
Does SMBJ13D-M3/I meet UL safety certification requirements?
Yes, SMBJ13D-M3/I is Underwriters Laboratories (UL) recognized under standard UL 497B with file number E136766 for both unidirectional and bidirectional variants. This certification validates its suitability for use in telecommunications and industrial equipment requiring third-party safety approval.
What is the thermal resistance of SMBJ13D-M3/I on a standard PCB pad layout?
The SMBJ13D-M3/I exhibits a typical junction-to-ambient thermal resistance (RθJA) of 125 °C/W when mounted on the minimum recommended PCB pad layout per Vishay's datasheet. This value increases at elevated ambient temperatures and must be factored into power derating calculations for continuous operation.
Is SMBJ13D-M3/I compatible with lead-free reflow soldering processes?
Yes, SMBJ13D-M3/I is rated MSL Level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C. Its matte tin-plated terminals comply with J-STD-002 and JESD 22-B102, making it fully compatible with standard lead-free soldering profiles without preconditioning.
How does the VBR tolerance of SMBJ13D-M3/I compare to other SMBJ series devices?
SMBJ13D-M3/I features a ±3.5 % breakdown voltage tolerance (14.6–15.7 V at 1 mA), tighter than the ±5 % tolerance found in SMBJ13A-M3/I and most competing SMB-format TVS diodes. This enables more deterministic overvoltage protection design with reduced guard-banding.
SMBJ13D-M3/I 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):
- 13V
- Voltage - Breakdown (Min):
- 14.6V
- Voltage - Clamping (Max) @ Ipp:
- 21.2V
- Current - Peak Pulse (10/1000µs):
- 28.3A
- Power - Peak Pulse:
- 600W
- 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)
SMBJ13D-M3/I FAQ
1.How can I place an order for SMBJ13D-M3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ13D-M3/I 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 SMBJ13D-M3/I reliable?
The price and inventory of SMBJ13D-M3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ13D-M3/I is usually 5 days.
3.What payment methods are accepted for SMBJ13D-M3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ13D-M3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ13D-M3/I?
SMBJ13D-M3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ13D-M3/I 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 SMBJ13D-M3/I?
For technical support, including SMBJ13D-M3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ13D-M3/I requirements.
6.How does Aetrix verify that SMBJ13D-M3/I is sourced from the original manufacturer or authorized distributors?
All SMBJ13D-M3/I 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 SMBJ13D-M3/I meets industry standards.
7.What is the process for return or replacement of SMBJ13D-M3/I?
All SMBJ13D-M3/I units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ13D-M3/I, 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 SMBJ13D-M3/I part is unused and in its original packaging.
Return procedure for SMBJ13D-M3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ13D-M3/I Tags
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