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Vishay General Semiconductor - Diodes Division SMBG10-E3/5B
- Part No.:
- SMBG10-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG10-E3/5B.pdf
- Description:
- TVS DIODE 10VWM 18.8VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,216
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Product details
Overview
SMBG10-E3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in the SMBG package, designed for robust overvoltage protection of DC power rails and signal lines. It features a 10 V stand-off voltage (VWM), 11.1–12.3 V breakdown voltage (VBR) at 1 mA, 17.0 V clamping voltage (VC) at 35.3 A peak pulse current, and 600 W peak pulse power rating with a 10/1000 µs waveform - deployed in automotive power supply inputs and industrial sensor interfaces.
For engineers reviewing the SMBG10-E3/5B datasheet, SMBG10-E3/5B pinout, SMBG10-E3/5B application, or SMBG10-E3/5B equivalent, key selection criteria include its unidirectional polarity, AEC-Q101 qualification, RoHS-compliant E3 termination, 150 °C maximum junction temperature, and DO-215AA mechanical compatibility with automated SMT placement.
Technical Context
This device operates as a silicon avalanche diode that enters controlled breakdown above its VWM, diverting surge energy away from protected circuitry. Its glass-passivated junction ensures stable leakage performance and long-term reliability under repetitive transients.
The SMBG10-E3/5B delivers sub-nanosecond response time and low dynamic impedance (incremental surge resistance), enabling effective suppression of fast-rising ESD and inductive switching spikes. It is rated for 100 A non-repetitive forward surge current (IFSM) and meets MSL Level 1 per J-STD-020 at 260 °C peak reflow temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10 V - Maximum continuous reverse operating voltage before conduction begins; defines safe DC bias margin for protected line. |
| VBR (min/max) | 11.1 V / 12.3 V at IT = 1 mA - Confirmed avalanche onset range; ensures predictable turn-on across production lot and temperature. |
| VC @ IPPM | 17.0 V at 35.3 A - Clamped voltage during 600 W 10/1000 µs surge; directly limits stress on downstream ICs like microcontrollers or CAN transceivers. |
| PPPM | 600 W - Peak pulse power handling capability; validates suitability for ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 4 surges. |
| IFSM | 100 A - Single half-sine surge rating (8.3 ms); supports protection of 12 V automotive power inputs against load dump events. |
| TJ max | +150 °C - Maximum junction temperature; enables operation in under-hood automotive environments and high-ambient industrial enclosures. |
| Package | DO-215AA (SMBG) - Standardized surface-mount outline with 5.97 mm × 4.57 mm footprint and gull-wing leads; compatible with IPC-7351B land patterns. |
Pinout & Package
DO-215AA (SMBG) package: molded plastic case with gull-wing terminations, matte tin-plated leads compliant with J-STD-002 and JESD 22-B102. Polarity indicated by cathode band on one end; anode and cathode terminals are non-interchangeable due to unidirectional function.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Current entry terminal during forward conduction or surge clamping | Connected to lower-potential side (e.g., GND or return path); must be routed with low-inductance trace for effective surge shunting. |
| Cathode (banded end) | Current exit terminal during reverse-biased clamping | Connected to protected line (e.g., 12 V rail); band orientation must match PCB silkscreen to prevent installation error. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing - required for engine control, body electronics, and ADAS modules. |
| Glass passivated junction | Eliminates sensitivity to moisture ingress and surface contamination, ensuring stable VBR and leakage (<1 µA at VWM) over 15+ year service life. |
| MSL Level 1 (260 °C) | Enables single-pass lead-free reflow without popcorn cracking or delamination - no pre-bake required prior to assembly. |
| 600 W 10/1000 µs rating | Provides margin above ISO 16750-2 Load Dump (12 V systems: 35 V × 10 A = 350 W) and IEC 61000-4-5 Combination Wave (4 kV/2 Ω = ~500 W). |
| RoHS-compliant E3 termination | Meets JESD 201 Class 1A whisker resistance; eliminates risk of tin whisker growth in high-reliability, long-life applications. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump transients (up to 35 V, 400 ms) and jump-start spikes. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground, clamping excess voltage before it reaches LDOs or MCU power pins. Use Value: Limits peak rail voltage to ≤17.0 V during 35.3 A surge, preventing latch-up or oxide breakdown in 3.3 V/5 V logic supplies. |
Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loop) from ESD and field-wiring induced transients in factory automation. IC Role / Device Role / Timing Role: Low-capacitance TVS mounted at connector interface, shunting fast transients (<1 ns rise) before reaching op-amp input stages. Use Value: Sub-ns response and 17.0 V clamping ensure sensor signal integrity remains intact during ±8 kV contact ESD per IEC 61000-4-2. |
| Telecom DC Power Feeds | Consumer Device USB Port Protection |
|
Use Scenario: Securing -48 V telecom rectifier outputs against lightning-induced surges entering central office equipment. IC Role / Device Role / Timing Role: Primary-level TVS on input stage, coordinated with upstream MOVs and downstream polymer PTCs for staged protection. Use Value: 100 A IFSM rating handles high-energy surges while maintaining <1 µA leakage at -48 V, minimizing standby power loss. |
Use Scenario: Adding secondary-level surge immunity to USB VBUS lines in smart home hubs exposed to AC adapter transients. IC Role / Device Role / Timing Role: Unidirectional clamp between VBUS and GND, placed after USB switch but before USB controller's internal ESD diodes. Use Value: 17.0 V clamping prevents overstress of 5.5 V-rated USB PHYs; DO-215AA footprint allows placement within tight board space near connector. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10A-E3/5B | Same VWM (10 V), identical DO-214AA (SMB) package but slightly larger thermal resistance (RθJA = 110 °C/W vs. 100 °C/W); 600 W rating confirmed. | Not AEC-Q101 qualified; intended for commercial/industrial use only. | Select SMBJ10A-E3/5B only when automotive qualification is not required and existing SMB footprint is preferred. |
| SMBG10HE3/5B | Identical electrical specs and DO-215AA package; differs only in HE3 suffix indicating AEC-Q101 qualification and enhanced whisker resistance (JESD 201 Class 2). | Same functional role; used where extended reliability validation (e.g., 15-year automotive warranty) is mandated. | Choose SMBG10HE3/5B for Tier-1 automotive programs requiring full PPAP documentation and extended lifetime validation. |
Compared with SMBJ10A-E3/5B, SMBG10-E3/5B offers automotive qualification and tighter thermal resistance; compared with SMBG10HE3/5B, it provides standard AEC-Q101 compliance at lower cost, making it optimal for cost-sensitive automotive modules where Class 2 whisker resistance is not mandatory.
Availability
SMBG10-E3/5B is available at Aetrix Electronics and suitable for automotive power input protection, industrial sensor interface hardening, and telecom DC feed protection requiring stable component supply and full traceability.
Supply support for SMBG10-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 application-specific performance.
The SMBG series was engineered for high-power transient suppression in space-constrained, high-reliability environments - particularly automotive and industrial systems demanding AEC-Q101 validation and robust surge handling.
FAQ
What is the clamping voltage of SMBG10-E3/5B at its rated peak pulse current?
The SMBG10-E3/5B has a maximum clamping voltage (VC) of 17.0 V at 35.3 A peak pulse current (IPPM) under a 10/1000 µs waveform. This value is measured per JEDEC standards and guarantees that protected circuitry downstream will not experience voltage stress exceeding 17.0 V during a 600 W transient event. The SMBG10-E3/5B maintains this clamping performance across its specified operating temperature range.
Is SMBG10-E3/5B suitable for automotive applications?
Yes, SMBG10-E3/5B is AEC-Q101 qualified and rated for operation from –55 °C to +150 °C, making it suitable for under-hood and chassis-mounted automotive electronics. Its glass-passivated junction, MSL Level 1 reflow compatibility, and 100 A IFSM rating support compliance with ISO 7637-2 and ISO 16750-2 requirements. The SMBG10-E3/5B is widely deployed in body control modules and infotainment power supplies.
What does the "E3/5B" suffix indicate in SMBG10-E3/5B?
The "E3" suffix denotes RoHS-compliant, matte tin-plated leads meeting JESD 201 Class 1A whisker resistance, while "5B" specifies packaging in 13-inch diameter tape-and-reel format with 3200 units per reel. This configuration ensures compatibility with high-speed pick-and-place equipment and satisfies IPC-A-610 acceptance criteria for lead finish and packaging integrity. The SMBG10-E3/5B is supplied with full traceability to manufacturing lot.
How does SMBG10-E3/5B differ from bi-directional variants like SMBG10CA?
SMBG10-E3/5B is unidirectional and features a cathode band for polarity identification, whereas SMBG10CA is bi-directional with no marking and symmetrical breakdown in both directions. The SMBG10-E3/5B is intended for DC line protection (e.g., +12 V to GND), while SMBG10CA suits AC-coupled or differential signal paths (e.g., RS-485). Their VBR and VC values differ accordingly - SMBG10-E3/5B has VBR = 11.1–12.3 V, while SMBG10CA has VBR = 11.1–12.3 V in each direction.
What is the thermal resistance of SMBG10-E3/5B, and how does it affect layout design?
The SMBG10-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 TJ ≤ 150 °C during repetitive surges, PCB layout must provide adequate copper area and minimize trace length between the SMBG10-E3/5B cathode/anode and respective ground/power planes. Use of internal ground planes and thermal vias is recommended for high-duty-cycle applications.
SMBG10-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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 18.8V
- Current - Peak Pulse (10/1000µs):
- 31.9A
- 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)
SMBG10-E3/5B FAQ
1.How can I place an order for SMBG10-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG10-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 SMBG10-E3/5B reliable?
The price and inventory of SMBG10-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 SMBG10-E3/5B is usually 5 days.
3.What payment methods are accepted for SMBG10-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG10-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG10-E3/5B?
SMBG10-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG10-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 SMBG10-E3/5B?
For technical support, including SMBG10-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG10-E3/5B requirements.
6.How does Aetrix verify that SMBG10-E3/5B is sourced from the original manufacturer or authorized distributors?
All SMBG10-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 SMBG10-E3/5B meets industry standards.
7.What is the process for return or replacement of SMBG10-E3/5B?
All SMBG10-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMBG10-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 SMBG10-E3/5B part is unused and in its original packaging.
Return procedure for SMBG10-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG10-E3/5B Tags
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