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Vishay General Semiconductor - Diodes Division SMBG13A-E3/5B
- Part No.:
- SMBG13A-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG13A-E3/5B.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,625
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Product details
Overview
SMBG13A-E3/5B from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMBG (DO-215AA) package, rated for 13 V stand-off voltage (VWM), 14.4–15.9 V breakdown voltage (VBR at 1 mA), and 600 W peak pulse power (10/1000 µs). It provides robust ESD and surge protection for automotive sensor signal lines, power rails in industrial controllers, and I/O interfaces in telecom equipment.
For engineers reviewing the SMBG13A-E3/5B datasheet, SMBG13A-E3/5B pinout, SMBG13A-E3/5B application, or SMBG13A-E3/5B equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, clamping performance (21.5 V at 27.9 A), thermal resistance (RθJA = 100 °C/W), and real-world use context for transient suppression design.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, designed to shunt transient energy above its breakdown threshold while maintaining low leakage (<1.0 µA at 13 V) under normal operation. Its glass-passivated junction ensures stable VBR tolerance and long-term reliability under repetitive surge stress.
It meets J-STD-020 MSL Level 1 (260 °C peak reflow), supports automated SMT placement, and is qualified to AEC-Q101 for automotive-grade deployment. The 600 W peak pulse rating applies with 10/1000 µs waveform at 0.01% duty cycle, derated linearly above 25 °C ambient per published curves.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins; defines safe working range for protected circuit. |
| VBR (min/max) | 14.4 V / 15.9 V at 1 mA - Confirmed breakdown onset window; ensures predictable turn-on during transients. |
| VC @ IPPM | 21.5 V at 27.9 A - Clamped voltage during 600 W surge; determines maximum stress on downstream ICs. |
| IPPM | 27.9 A - Peak pulse current supported under 10/1000 µs waveform; defines surge handling capacity. |
| RθJA | 100 °C/W - Junction-to-ambient thermal resistance on 5.0 mm × 5.0 mm copper pads; critical for thermal design margin. |
| TJ max | +150 °C - Maximum allowable junction temperature; enables operation in under-hood automotive environments. |
| AEC-Q101 | Qualified - Validated for automotive applications including engine control units and ADAS sensor modules. |
Pinout & Package
Package: SMBG (DO-215AA), surface-mount gull-wing leaded case with matte tin-plated terminals, 0.235–0.255 inch (5.97–6.48 mm) body length, 0.130–0.155 inch (3.30–3.94 mm) width, and 0.075–0.095 inch (1.90–2.41 mm) height. Cathode identified by molded band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or low-impedance return path; completes clamping loop during overvoltage events. |
| Cathode | High-side connection point | Connected to protected line (e.g., CAN_H, LIN, sensor supply); marked by visible band on package body. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Enables suppression of high-energy transients (e.g., ISO 7637-2 Pulse 5a) without failure on automotive power rails. |
| Glass passivated junction | Ensures stable VBR over temperature and lifetime, minimizing parameter drift in harsh environments. |
| MSL Level 1 rating | Supports single-reflow assembly at 260 °C peak without popcorn or delamination risk. |
| Low incremental surge resistance | Reduces clamping overshoot and improves response fidelity during fast-rising transients (e.g., EFT bursts). |
| AEC-Q101 qualification | Validates reliability for automotive safety-critical subsystems including body electronics and powertrain sensors. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting analog output lines of pressure/temperature sensors in engine bay environments exposed to load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between sensor VOUT and ground to limit voltage excursions to ≤21.5 V during 600 W surges. Use Value: Prevents latch-up or gate oxide damage in downstream op-amps and ADC front-ends operating at 12–24 V nominal rails. | Use Scenario: Shielding digital input channels of programmable logic controllers from induced surges on factory floor wiring. IC Role / Device Role / Timing Role: Standoff-rated TVS on 24 V DC input lines, absorbing repetitive switching transients from solenoid drivers and motor contactors. Use Value: Maintains signal integrity across >100,000 surge cycles without degradation, validated per IEC 61000-4-5 Level 3 (1 kV/2 kV). |
| Telecom Line Interface | Consumer Power Adapter Output |
Use Scenario: Safeguarding RS-485 transceiver pins against lightning-induced surges on outdoor data links. IC Role / Device Role / Timing Role: Bidirectional-capable variant not applicable; SMBG13A-E3/5B used in unidirectional configuration on VCC-to-ground rail of isolated interface ICs. Use Value: Limits clamping voltage below 22 V to prevent overstress of internal LDOs and level shifters in transceiver SOIC packages. | Use Scenario: Secondary-side overvoltage suppression on 12 V USB-C PD adapter outputs subject to no-load regulation spikes. IC Role / Device Role / Timing Role: Fast-response TVS placed directly at output connector to clamp regulator overshoot and ESD events before reaching connected devices. Use Value: Achieves <1 ns response time and sub-22 V clamping to meet UL 62368-1 transient immunity requirements. |
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-E3/5B | Same VWM (13 V), identical SMB (DO-214AA) package footprint but 600 W rating; slightly higher VC (22.0 V @ 27.0 A). | Compatible with existing SMB land patterns; lower thermal resistance (RθJA = 85 °C/W) due to larger pad area requirement. | Select when board layout uses standard SMB pads and higher thermal margin is needed. |
| SMCJ13A-E3/5B | Same VWM and VBR, but SMC (DO-214AB) package with 1500 W rating and higher IPPM (63.5 A); VC = 21.5 V. | Requires larger PCB footprint; suited for primary-side surge protection where higher energy absorption is mandated (e.g., AC-DC front-end). | Select when system-level surge test levels exceed 600 W or when legacy SMC layout is fixed. |
Compared with SMBJ13A-E3/5B and SMCJ13A-E3/5B, SMBG13A-E3/5B offers optimized space efficiency in DO-215AA while maintaining identical clamping voltage and AEC-Q101 qualification-making it ideal for dense automotive ECUs where footprint and qualification are jointly constrained.
Availability
SMBG13A-E3/5B is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC I/O cards, and telecom line interface designs requiring stable component supply, AEC-Q101 compliance, and repeatable 600 W transient suppression performance.
Supply support for SMBG13A-E3/5B 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and automotive-grade qualification.
The SMBG series was developed specifically for high-density surface-mount transient protection in space-constrained automotive and industrial systems, balancing low profile, AEC-Q101 compliance, and repeatable clamping performance.
FAQ
What is the clamping voltage of SMBG13A-E3/5B at its rated peak pulse current?
The SMBG13A-E3/5B has a maximum clamping voltage (VC) of 21.5 V when subjected to its peak pulse current (IPPM) of 27.9 A under a 10/1000 µs waveform. This value is measured per JEDEC standards and ensures downstream ICs see no more than 21.5 V during worst-case surge events. The SMBG13A-E3/5B maintains this clamping performance across its full operating temperature range of –55 °C to +150 °C.
Is SMBG13A-E3/5B suitable for automotive applications?
Yes, SMBG13A-E3/5B is AEC-Q101 qualified and explicitly rated for automotive use, including engine control units, body control modules, and ADAS sensor interfaces. Its glass-passivated junction, MSL Level 1 reflow compatibility, and guaranteed operation up to +150 °C junction temperature make it appropriate for under-hood and cabin-mounted electronics. The SMBG13A-E3/5B meets all stress-test requirements defined in the AEC-Q101 standard for transient suppressors.
What does the "E3/5B" suffix indicate in SMBG13A-E3/5B?
The "E3" denotes RoHS-compliant, industrial-grade construction with matte tin-plated leads, while "5B" specifies packaging in 13-inch diameter plastic tape and reel containing 3200 units. This format supports high-volume SMT assembly lines and ensures consistent moisture sensitivity level (MSL) handling. The SMBG13A-E3/5B is distinct from HE3-suffixed variants, which carry AEC-Q101 qualification in addition to RoHS compliance.
How does SMBG13A-E3/5B differ from bidirectional TVS diodes like SMBG13CA?
SMBG13A-E3/5B is unidirectional and features polarity marking (cathode band), allowing it to conduct only during reverse-biased overvoltage events-ideal for DC power rail protection. In contrast, SMBG13CA is bidirectional with symmetrical clamping in both directions and no polarity marking, suited for AC signal lines or differential buses like RS-485. The SMBG13A-E3/5B exhibits lower leakage (<1.0 µA at 13 V) than SMBG13CA in standby, improving power efficiency in always-on systems.
What is the thermal resistance of SMBG13A-E3/5B, and how does it affect layout?
The SMBG13A-E3/5B 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. To maintain safe junction temperatures under repeated surges, PCB layout must allocate minimum recommended pad area and avoid excessive trace impedance. Reducing RθJA via additional thermal vias or copper pour directly improves surge endurance. This thermal behavior is documented in the SMBG13A-E3/5B datasheet Figure 2 and must be validated in the final board stackup.
SMBG13A-E3/5B 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):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 27.9A
- 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 (SMBG)
SMBG13A-E3/5B FAQ
1.How can I place an order for SMBG13A-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG13A-E3/5B 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 SMBG13A-E3/5B reliable?
The price and inventory of SMBG13A-E3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG13A-E3/5B is usually 5 days.
3.What payment methods are accepted for SMBG13A-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG13A-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG13A-E3/5B?
SMBG13A-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG13A-E3/5B 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 SMBG13A-E3/5B?
For technical support, including SMBG13A-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG13A-E3/5B requirements.
6.How does Aetrix verify that SMBG13A-E3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG13A-E3/5B 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 SMBG13A-E3/5B meets industry standards.
7.What is the process for return or replacement of SMBG13A-E3/5B?
All SMBG13A-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG13A-E3/5B, 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 SMBG13A-E3/5B part is unused and in its original packaging.
Return procedure for SMBG13A-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG13A-E3/5B Tags
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