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Vishay General Semiconductor - Diodes Division SMBG5.0CA-E3/52
- Part No.:
- SMBG5.0CA-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG5.0CA-E3/52.pdf
- Description:
- TVS DIODE 5VWM 9.2VC DO215AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,966
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Product details
Overview
SMBG5.0CA-E3/52 from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in signal and power lines. It features a 5.0 V stand-off voltage (VWM), 6.4–7.25 V breakdown voltage (VBR), 600 W peak pulse power (10/1000 μs), 65.2 A peak pulse current (IPPM), and clamps to ≤9.2 V at rated surge, making it suitable for protecting automotive sensor interfaces and industrial I/O circuits.
For engineers reviewing the SMBG5.0CA-E3/52 datasheet, SMBG5.0CA-E3/52 pinout, SMBG5.0CA-E3/52 application, or SMBG5.0CA-E3/52 equivalent, key selection criteria include bidirectional polarity, DO-215AA (SMBG) package compatibility, AEC-Q101 qualification, low clamping voltage under 10 V, and 150 °C maximum junction temperature for under-hood deployment.
Technical Context
This device operates as a voltage-clamped crowbar during transients, leveraging an avalanche breakdown mechanism with glass-passivated junction for stable, repeatable response. Its bidirectional symmetry ensures identical clamping behavior in both polarities-critical for AC-coupled or floating signal lines like CAN FD differential pairs or RS-485 buses.
The SMBG5.0CA-E3/52 delivers fast response (<1 ns), low incremental surge resistance, and meets J-STD-020 MSL Level 1 (260 °C reflow). Thermal resistance is RθJA = 100 °C/W on 5.0 mm × 5.0 mm copper pads, enabling reliable operation up to 150 °C junction temperature without derating in compact PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Maximum continuous reverse voltage before leakage exceeds 800 μA; sets operating margin for 3.3 V or 5 V logic rails. |
| VBR (min/max) | 6.4 V / 7.25 V at 10 mA - Ensures reliable turn-on above normal operating voltage while avoiding false triggering. |
| VC @ IPPM | ≤9.2 V at 65.2 A - Limits protected node voltage during 600 W surge, preserving downstream 12 V-tolerant ICs. |
| PPPM | 600 W (10/1000 μs) - Withstands ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 Level 4 surges when properly mounted. |
| Junction Temp | -55 °C to +150 °C - Enables use in automotive engine control units and industrial motor drives without thermal derating. |
| Package | SMBG (DO-215AA) - Surface-mount gull-wing leaded package with 0.235" × 0.255" footprint; compatible with automated SMT placement and reflow. |
Pinout & Package
Package: SMBG (DO-215AA), gull-wing surface-mount, matte tin-plated leads, RoHS-compliant, AEC-Q101 qualified. Dimensions: 6.48 mm × 4.57 mm × 2.10 mm (L × W × H), 0.255" × 0.180" × 0.083". Mounting requires 5.0 mm × 5.0 mm copper pads per terminal per Vishay recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (negative half-cycle) | Connects to line being protected; forms symmetrical conduction path with Cathode during bidirectional surges. |
| Cathode | Transient current entry (positive half-cycle) | Connects to line being protected; no polarity marking on device body-identical electrical role to Anode in bidirectional configuration. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Identical VBR and VC in both directions enables protection of AC signals, differential buses, and ungrounded lines without polarity concerns. |
| AEC-Q101 qualification | Validated for automotive applications including powertrain, body electronics, and ADAS sensors per stress test requirements. |
| 600 W surge rating | Supports IEC 61000-4-5 4 kV/2 kA surge immunity testing when used with appropriate PCB layout and trace inductance control. |
| Low clamping ratio (VC/VBR ≈ 1.35) | Minimizes let-through energy during clamping-critical for safeguarding low-voltage microcontrollers and analog front-ends. |
Applications
| Automotive Sensor Interface | Industrial RS-485 Bus |
|---|---|
Use Scenario: Protecting LIN/CAN transceiver inputs and analog sensor outputs (e.g., pressure, temperature) from load dump and ESD in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS placed directly at connector entry point to shunt transients before reaching signal conditioning circuitry. Use Value: Clamps 600 W surges to ≤9.2 V, preventing latch-up or gate oxide damage in 5 V-tolerant transceivers and ADC inputs. | Use Scenario: Safeguarding RS-485 transceivers in factory automation PLCs exposed to motor switching noise and ground potential differences. IC Role / Device Role / Timing Role: Line-side TVS on A/B differential pair, operating symmetrically to suppress common-mode and differential-mode transients. Use Value: Maintains signal integrity by limiting voltage excursions to <10 V during 10/1000 μs surges, ensuring receiver input stays within absolute max ratings. |
| Consumer USB Port Protection | Telecom DSL Line Interface |
Use Scenario: Overvoltage protection for USB 2.0 data lines (D+/D−) in set-top boxes and smart home hubs against ESD and cable-induced surges. IC Role / Device Role / Timing Role: Bidirectional TVS placed adjacent to USB connector, leveraging low capacitance (<100 pF at 0 V) to avoid signal degradation. Use Value: Responds in <1 ns to ±8 kV contact ESD (IEC 61000-4-2), clamping to <9.2 V without affecting 480 Mbps data eye. | Use Scenario: Primary protection for ADSL/VDSL line drivers and receivers in DSLAMs and customer premises equipment subjected to lightning-induced surges. IC Role / Device Role / Timing Role: First-stage TVS on twisted-pair input, coordinated with gas discharge tube (GDT) secondary protection. Use Value: Handles repetitive 600 W surges per ITU-T K.20/K.21, enabling compliance with Class B telecom surge immunity standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ5.0CA-E3/52 | Same VWM, VBR, and VC; lower PPPM = 600 W but higher IPPM = 69.4 A due to SMB (DO-214AA) package thermal profile. | SMB package has larger pad area and slightly better thermal dissipation; less space-efficient than SMBG. | Select SMBJ5.0CA-E3/52 if board layout allows larger footprint and higher surge repetition rate is required. |
| 1.5SMC5.0CA | Same electrical specs but in larger SMC (DO-214AB) package; RθJA = 60 °C/W vs. 100 °C/W for SMBG; higher IFSM = 200 A (unidirectional only). | Not AEC-Q101 qualified; intended for industrial/commercial-not automotive-applications. | Choose 1.5SMC5.0CA only for non-automotive designs where higher surge endurance and relaxed thermal constraints exist. |
Compared with SMBJ5.0CA-E3/52 and 1.5SMC5.0CA, the SMBG5.0CA-E3/52 offers the smallest footprint among 600 W bidirectional TVS diodes with AEC-Q101 qualification-enabling high-density routing in space-constrained automotive modules while maintaining full surge immunity compliance.
Availability
SMBG5.0CA-E3/52 is available at Aetrix Electronics and suitable for automotive sensor protection, industrial communication bus hardening, and consumer port-level ESD suppression requiring stable component supply across production lifecycles.
Supply support for SMBG5.0CA-E3/52 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, automotive qualification, and high-volume manufacturability.
The SMBG series was engineered specifically for space-constrained, high-reliability transient suppression in automotive and industrial environments-prioritizing AEC-Q101 compliance, low-profile packaging, and consistent clamping performance across temperature.
FAQ
What is the maximum clamping voltage of SMBG5.0CA-E3/52 at its rated peak pulse current?
The SMBG5.0CA-E3/52 clamps to a maximum of 9.2 V at its rated peak pulse current of 65.2 A (10/1000 μs waveform). This value is measured under standard test conditions per JEDEC and ensures protected circuits remain below critical voltage thresholds during surge events. The SMBG5.0CA-E3/52 achieves this with low dynamic impedance, minimizing let-through energy to sensitive downstream components.
Is SMBG5.0CA-E3/52 suitable for automotive applications?
Yes, SMBG5.0CA-E3/52 is AEC-Q101 qualified and explicitly rated for automotive use, including engine control units, body electronics, and ADAS sensor interfaces. Its -55 °C to +150 °C operating range, MSL Level 1 reflow compatibility, and validated surge performance per ISO 7637-2 make the SMBG5.0CA-E3/52 appropriate for under-hood and cabin-mounted systems.
How does the bidirectional design of SMBG5.0CA-E3/52 affect its circuit implementation?
The SMBG5.0CA-E3/52 has no polarity marking and conducts identically in both directions, simplifying layout for AC-coupled or floating lines such as RS-485, CAN, or audio interfaces. Unlike unidirectional TVS diodes, the SMBG5.0CA-E3/52 eliminates orientation errors during assembly and provides symmetrical clamping-ensuring equal protection against positive and negative transients without additional components.
What is the thermal resistance of SMBG5.0CA-E3/52, and how does it impact PCB layout?
The SMBG5.0CA-E3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 5.0 mm × 5.0 mm copper pads per terminal. To maintain safe junction temperatures under repeated surges, PCB layout must adhere to Vishay's recommended pad dimensions and minimize trace inductance. Reducing pad size increases thermal resistance and risks premature failure during sustained transient activity.
Does SMBG5.0CA-E3/52 meet RoHS and halogen-free requirements?
Yes, the SMBG5.0CA-E3/52 carries the "E3" suffix, indicating RoHS compliance and industrial-grade qualification per Vishay's material categorization. It uses matte tin-plated leads and UL 94 V-0 molding compound. While not halogen-free (that designation requires "M3" suffix), the SMBG5.0CA-E3/52 fully satisfies EU RoHS Directive 2011/65/EU and is suitable for environmentally regulated markets.
SMBG5.0CA-E3/52 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 5V
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 9.2V
- Current - Peak Pulse (10/1000µs):
- 65.2A
- 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)
SMBG5.0CA-E3/52 FAQ
1.How can I place an order for SMBG5.0CA-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG5.0CA-E3/52 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 SMBG5.0CA-E3/52 reliable?
The price and inventory of SMBG5.0CA-E3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBG5.0CA-E3/52 is usually 5 days.
3.What payment methods are accepted for SMBG5.0CA-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG5.0CA-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG5.0CA-E3/52?
SMBG5.0CA-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG5.0CA-E3/52 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 SMBG5.0CA-E3/52?
For technical support, including SMBG5.0CA-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG5.0CA-E3/52 requirements.
6.How does Aetrix verify that SMBG5.0CA-E3/52 is sourced from the original manufacturer or authorized distributors?
All SMBG5.0CA-E3/52 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 SMBG5.0CA-E3/52 meets industry standards.
7.What is the process for return or replacement of SMBG5.0CA-E3/52?
All SMBG5.0CA-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMBG5.0CA-E3/52, 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 SMBG5.0CA-E3/52 part is unused and in its original packaging.
Return procedure for SMBG5.0CA-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG5.0CA-E3/52 Tags
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