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Vishay General Semiconductor - Diodes Division SMBG16A-M3/5B
- Part No.:
- SMBG16A-M3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG16A-M3/5B.pdf
- Description:
- TVS DIODE 16VWM 26VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,008
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Product details
Overview
SMBG16A-M3/5B from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMBG (DO-215AA) package, with 16 V stand-off voltage (VWM), 17.8–19.7 V breakdown voltage (VBR at 1 mA), 26.0 V clamping voltage (VC) at 23.1 A peak pulse current, and 600 W peak pulse power rating per 10/1000 μs waveform - deployed for overvoltage protection of MOSFETs, ICs, and sensor signal lines in automotive and industrial power electronics.
For engineers reviewing the SMBG16A-M3/5B datasheet, SMBG16A-M3/5B pinout, SMBG16A-M3/5B application, or SMBG16A-M3/5B equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, halogen-free RoHS compliance, thermal resistance (RθJA = 100 °C/W), and bidirectional variant compatibility - critical for ESD/surge design validation and BOM continuity planning.
Technical Context
This unidirectional TVS operates as a voltage-clamped shunt protector: it remains high-impedance below VWM = 16 V, avalanches sharply at VBR = 17.8–19.7 V (1 mA test current), and limits transient-induced voltage to ≤26.0 V at 23.1 A (10/1000 μs). Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and fast response time (<1 ns).
Designed for automated SMT assembly on 5.0 mm × 5.0 mm copper pads, SMBG16A-M3/5B meets J-STD-020 MSL Level 1 (260 °C peak reflow), supports 100 A non-repetitive forward surge (8.3 ms half-sine), and sustains operation from −55 °C to +150 °C junction temperature - enabling use in under-hood automotive modules and industrial motor drives.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 17.8 V / 19.7 V at 1 mA - precise avalanche onset range defining turn-on threshold |
| VC @ IPPM | 26.0 V at 23.1 A - clamped voltage during 600 W transient, limiting stress on downstream ICs |
| PPPM | 600 W - peak pulse power handling capability with 10/1000 μs waveform (0.01% duty cycle) |
| IFSM | 100 A - single half-sine surge current rating (8.3 ms), supporting inductive load switching events |
| TJ max. | +150 °C - maximum junction temperature, enabling placement near heat-generating components |
| RθJA | 100 °C/W - thermal resistance from junction to ambient on standard 5.0 mm × 5.0 mm pads |
Pinout & Package
Package: SMBG (DO-215AA), surface-mount gull-wing lead frame with cathode band marking; dimensions 4.57 mm × 3.94 mm × 2.10 mm (L × W × H); matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink node | Connected to protected line; conducts surge current to ground when VLINE exceeds VBR |
| Anode | Reference/return path | Typically tied to system ground or low-impedance return plane; completes clamping path |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan |
| Halogen-free & RoHS compliant (M3 suffix) | Meets IEC 61249-2-21 and JEDEC J-STD-201 Class 2 whisker resistance requirements |
| 600 W peak pulse power (10/1000 μs) | Withstands repetitive lightning-induced surges in telecom infrastructure and industrial PLC I/O modules |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (e.g., ISO 7637-2 Pulse 1/2a/5a) |
| MSL Level 1 moisture sensitivity | Enables direct placement without baking; compatible with standard SMT reflow profiles up to 260 °C peak |
Applications
| Automotive Power Distribution | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump (ISO 16750-2) and alternator transients. IC Role / Device Role / Timing Role: Unidirectional shunt clamp placed between power rail and chassis ground. Use Value: Limits voltage to ≤26.0 V during 600 W surges, preventing damage to MCU power supplies and CAN transceivers. | Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loops) from ESD and inductive kickback in factory automation sensors. IC Role / Device Role / Timing Role: Low-capacitance (typ. <50 pF) TVS connected across signal and return paths. Use Value: Clamps transients within nanoseconds while maintaining signal integrity due to minimal parasitic capacitance. |
| Telecom Line Card Surge Protection | Consumer Power Adapter Input Stage |
Use Scenario: Secondary-side transient suppression on DC input rails of base station power modules exposed to induced surges. IC Role / Device Role / Timing Role: Standoff-rated (16 V) clamp placed after DC-DC converter output filter. Use Value: Absorbs 23.1 A pulses without degradation, ensuring uninterrupted operation during field-deployed lightning events. | Use Scenario: Input-stage overvoltage protection for USB-C PD adapters subjected to accidental AC line transients. IC Role / Device Role / Timing Role: First-line defense before primary-side controller ICs and bulk capacitors. Use Value: Halogen-free M3 construction supports global environmental compliance without sacrificing 600 W surge capacity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBG16CA-M3/5B | Bidirectional variant; symmetric VBR = 17.8–19.7 V; same VC, PPPM, and package | Required where AC-coupled or polarity-agnostic signal lines (e.g., RS-485, CAN FD) need protection | Select SMBG16CA-M3/5B only if bidirectional clamping is required; otherwise SMBG16A-M3/5B offers lower leakage in DC-biased rails. |
| SMAJ16A-E3/5B | Same VWM/VBR/VC, but SMA package (DO-214AC); RθJA = 130 °C/W; 400 W PPPM | Lower power handling and higher thermal resistance limit use in high-duty-cycle or high-ambient environments | Choose SMAJ16A-E3/5B only for cost-sensitive, space-constrained designs where 400 W suffices and thermal margin allows. |
Compared with SMBG16CA-M3/5B and SMAJ16A-E3/5B, SMBG16A-M3/5B provides optimal balance of 600 W surge capacity, AEC-Q101 qualification, halogen-free compliance, and thermal performance in the SMBG footprint - making it preferred for automotive and industrial applications demanding robust, validated reliability.
Availability
SMBG16A-M3/5B is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface protection, telecom line card surge suppression, and consumer power adapter input stage applications requiring stable component supply, long-term lifecycle support, and halogen-free RoHS compliance.
Supply support for SMBG16A-M3/5B 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 SMBG TransZORB® series was engineered for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom systems where AEC-Q101 qualification, 600 W pulse handling, and MSL Level 1 assembly compatibility are mandatory.
FAQ
What is the clamping voltage of SMBG16A-M3/5B at its rated peak pulse current?
The SMBG16A-M3/5B has a maximum clamping voltage (VC) of 26.0 V at its rated peak pulse current (IPPM) of 23.1 A, measured using the standardized 10/1000 μs double-exponential waveform. This value ensures downstream ICs and MOSFETs remain within safe operating voltage limits during surge events. The SMBG16A-M3/5B achieves this with low incremental surge resistance and a glass-passivated junction for consistent performance across temperature and lifetime.
Is SMBG16A-M3/5B suitable for automotive applications?
Yes, SMBG16A-M3/5B is AEC-Q101 qualified and specifically designed for automotive use, including engine control units, body electronics, and ADAS power domains. It withstands temperature cycling, high-temperature reverse bias, and mechanical shock per the AEC-Q101 stress test plan. Its 16 V stand-off voltage aligns with 12 V system rails, and its 600 W surge rating handles load dump and jump-start transients. The SMBG16A-M3/5B also meets MSL Level 1 for reliable SMT assembly in automotive manufacturing lines.
What does the "M3" suffix indicate in SMBG16A-M3/5B?
The "M3" suffix in SMBG16A-M3/5B denotes halogen-free, RoHS-compliant construction meeting IEC 61249-2-21 and JEDEC J-STD-201 Class 2 whisker resistance requirements. Unlike "E3" variants, M3 parts eliminate brominated flame retardants and antimony trioxide, supporting strict environmental regulations in EU, China, and Japan. The SMBG16A-M3/5B retains identical electrical specs and AEC-Q101 qualification as E3 versions - making it the preferred choice for globally distributed automotive and industrial BOMs.
How does SMBG16A-M3/5B differ from SMBG16CA-M3/5B?
SMBG16A-M3/5B is unidirectional, with cathode marking and conduction only from anode to cathode during overvoltage events, while SMBG16CA-M3/5B is bidirectional - symmetrical in both polarities, with no polarity marking. Both share identical VWM (16 V), VBR (17.8–19.7 V), VC (26.0 V), and PPPM (600 W), but SMBG16A-M3/5B exhibits lower reverse leakage (<1.0 μA) under DC bias. Use SMBG16A-M3/5B for DC power rails; choose SMBG16CA-M3/5B for AC or differential signal lines like CAN or RS-485.
What is the thermal resistance of SMBG16A-M3/5B, and how does it affect layout?
SMBG16A-M3/5B has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This value assumes minimum recommended pad layout per Vishay's DO-215AA outline drawing. To maintain safe junction temperatures under repetitive surges, PCB layout must allocate adequate copper area and avoid thermal bottlenecks. Reducing pad size or adding thermal vias directly beneath the SMBG16A-M3/5B can improve heat dissipation - critical in high-ambient environments like under-hood automotive modules.
SMBG16A-M3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AA, SMB Gull Wing
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 23.1A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBG)
SMBG16A-M3/5B FAQ
1.How can I place an order for SMBG16A-M3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG16A-M3/5B 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 SMBG16A-M3/5B reliable?
The price and inventory of SMBG16A-M3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG16A-M3/5B is usually 5 days.
3.What payment methods are accepted for SMBG16A-M3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG16A-M3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG16A-M3/5B?
SMBG16A-M3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG16A-M3/5B 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 SMBG16A-M3/5B?
For technical support, including SMBG16A-M3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG16A-M3/5B requirements.
6.How does Aetrix verify that SMBG16A-M3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG16A-M3/5B 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 SMBG16A-M3/5B meets industry standards.
7.What is the process for return or replacement of SMBG16A-M3/5B?
All SMBG16A-M3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG16A-M3/5B, 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 SMBG16A-M3/5B part is unused and in its original packaging.
Return procedure for SMBG16A-M3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG16A-M3/5B Tags
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