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Vishay General Semiconductor - Diodes Division SMBG5.0CA-M3/52
- Part No.:
- SMBG5.0CA-M3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AA, SMB Gull Wing
- Datasheet:
-
SMBG5.0CA-M3/52.pdf
- Description:
- TVS DIODE 5VWM 9.2VC DO215AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMBG5.0CA-M3/52 from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMBG (DO-215AA) package, rated for 5.0 V stand-off voltage, 6.4–7.07 V breakdown voltage at 10 mA, and 600 W peak pulse power with 10/1000 μs waveform. It provides clamping protection for automotive sensor signal lines, industrial I/O ports, and USB data lines against ESD and inductive switching transients.
For engineers reviewing the SMBG5.0CA-M3/52 datasheet, SMBG5.0CA-M3/52 pinout, SMBG5.0CA-M3/52 application, or SMBG5.0CA-M3/52 equivalent, this page delivers verified electrical specs, AEC-Q101 qualification status, bidirectional clamping behavior, thermal resistance values, and halogen-free RoHS-compliant sourcing details - all critical for automotive-grade surge protection design-in.
Technical Context
The SMBG5.0CA-M3/52 operates as a symmetrical avalanche diode, conducting equally in both directions above its breakdown threshold. Its glass-passivated junction ensures stable VBR tolerance (±5% typical), low incremental surge resistance, and fast response time (<1 ns) to transient events.
Designed for surface-mount automated placement, it meets J-STD-020 MSL Level 1 (260 °C peak reflow), supports 100 A non-repetitive forward surge current (unidirectional test condition only), and delivers 9.2 V maximum clamping voltage at 65.2 A peak pulse current - enabling robust protection of 3.3 V and 5 V logic interfaces without over-clamp risk.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Maximum reverse working voltage before leakage exceeds 800 μA; sets upper limit for safe continuous operation on 5 V rails. |
| VBR (min/max) | 6.4 V / 7.07 V at 10 mA - Confirmed bidirectional breakdown range; ensures reliable triggering across production lot variation. |
| VC @ IPPM | 9.2 V at 65.2 A - Clamping voltage under 600 W 10/1000 μs surge; protects downstream 5 V ICs with ≥0.8 V margin to absolute max rating. |
| PPPM | 600 W - Peak pulse power handling per JEDEC standard; validated for repetitive 0.01% duty cycle surges in automotive environments. |
| TJ max | +150 °C - Maximum junction temperature; enables operation in under-hood automotive locations with minimal derating. |
| RθJA | 100 °C/W - Junction-to-ambient thermal resistance on 5.0 mm × 5.0 mm copper pads; informs PCB thermal layout requirements for sustained surge duty. |
Pinout & Package
Package: SMBG (DO-215AA), surface-mount, bidirectional device with no polarity marking - terminals are symmetrical and interchangeable. Case meets UL 94 V-0; matte tin-plated leads compliant with J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional surge conduction path | No polarity marking required; either terminal connects to protected line, other to ground - simplifies layout and eliminates orientation errors during assembly. |
| Case (cathode band absent) | Non-functional mechanical reference | Unmarked body confirms bidirectional configuration; distinguishes from unidirectional SMBG5.0A which uses cathode band for polarity identification. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control modules and ADAS sensor interfaces per stress test requirements. |
| Halogen-free & RoHS compliant (M3 suffix) | Meets IEC 61249-2-21 and JESD201 Class 2 whisker resistance; supports green manufacturing and end-of-life compliance. |
| 600 W peak pulse power (10/1000 μs) | Withstands ISO 7637-2 Pulse 1/2a/3a and IEC 61000-4-5 Level 3 surges without degradation when mounted per recommended pad layout. |
| Low clamping ratio (VC/VBR ≈ 1.34) | Minimizes let-through voltage during transients - critical for safeguarding 5 V microcontrollers and CAN transceivers with tight VIO margins. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting LIN bus and analog sensor outputs (e.g., pressure, temperature) in vehicle cabin modules from load dump and ESD. IC Role / Device Role / Timing Role: Bidirectional clamping TVS placed between signal line and chassis ground, responding within <1 ns to transients exceeding 6.4 V. Use Value: Prevents latch-up or gate oxide damage in ASIC sensor interfaces by limiting peak voltage to 9.2 V during 65.2 A surges. | Use Scenario: Shielding 24 V digital input channels on programmable logic controllers from inductive kickback caused by solenoid de-energization. IC Role / Device Role / Timing Role: Standoff-rated TVS shunting surge energy to ground before it reaches optocoupler input stage. Use Value: Enables reliable operation at 85 °C ambient with no derating loss due to 150 °C TJ max and 100 °C/W RθJA. |
| USB 2.0 Data Line Protection | Power Supply Rail Clamp |
Use Scenario: Safeguarding D+ and D− lines of USB host ports against human-body-model (HBM) ESD up to ±15 kV. IC Role / Device Role / Timing Role: Low-capacitance (typ. 600 pF at 0 V) bidirectional clamp placed differential across data pair. Use Value: Maintains signal integrity with <1 ns response and 9.2 V clamping - below USB 2.0 receiver absolute maximum rating of 12 V. | Use Scenario: Secondary overvoltage clamp on 5 V DC-DC output rail in infotainment head units exposed to battery voltage spikes. IC Role / Device Role / Timing Role: Fast-acting parallel surge suppressor triggered when input transient exceeds 5.0 V working limit. Use Value: Limits rail excursion to ≤9.2 V during 600 W surges, preventing reset or brownout of downstream SoCs and memory. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ5.0CA | Same VWM (5.0 V) and VBR range (6.4–7.07 V), but lower PPPM = 600 W (same rating) and higher RθJA = 110 °C/W; SMBJ uses DO-214AA package (larger footprint). | Less suitable for space-constrained automotive modules where SMBG's smaller DO-215AA saves board area. | Select SMBJ5.0CA only if legacy PCB layout requires DO-214AA footprint compatibility. |
| 1.5SMC5.0CA | Higher PPPM = 1500 W, same VWM/VBR, but larger SMC (DO-214AB) package and RθJA = 150 °C/W; not AEC-Q101 qualified. | Appropriate for industrial power supplies needing higher surge margin, but lacks automotive qualification and thermal performance. | Choose 1.5SMC5.0CA only for non-automotive systems requiring >600 W surge headroom and accepting larger footprint. |
Compared with SMBJ5.0CA and 1.5SMC5.0CA, the SMBG5.0CA-M3/52 uniquely combines AEC-Q101 qualification, halogen-free compliance, DO-215AA space efficiency, and 100 °C/W thermal resistance - making it the optimal choice for next-generation automotive electronics where reliability, footprint, and regulatory compliance are co-prioritized.
Availability
SMBG5.0CA-M3/52 is available at Aetrix Electronics and suitable for automotive sensor protection, industrial PLC I/O hardening, and USB 2.0 data line ESD suppression requiring stable component supply across multi-year production cycles.
Supply support for SMBG5.0CA-M3/52 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, MOSFETs, optoelectronics, and passive components with emphasis on high-reliability and automotive-grade solutions.
The SMBG series was engineered specifically for space-constrained, high-surge automotive and industrial applications demanding AEC-Q101 qualification, low-profile packaging, and consistent bidirectional clamping performance - directly addressing needs in ADAS, body electronics, and factory automation.
FAQ
What is the maximum clamping voltage of the SMBG5.0CA-M3/52 under a 600 W surge?
The SMBG5.0CA-M3/52 has a maximum clamping voltage (VC) of 9.2 V at 65.2 A peak pulse current, corresponding to the 600 W 10/1000 μs waveform. This value is measured per JEDEC standards on specified copper pad layout and ensures safe operation for 5 V logic circuits. The SMBG5.0CA-M3/52 maintains this clamping performance across its full operating temperature range.
Is the SMBG5.0CA-M3/52 suitable for automotive applications?
Yes, the SMBG5.0CA-M3/52 is AEC-Q101 qualified and explicitly designed for automotive use, including engine control units, sensor interfaces, and infotainment systems. Its halogen-free M3 suffix, MSL Level 1 reflow rating, and guaranteed operation from –55 °C to +150 °C make it compliant with stringent automotive reliability requirements. The SMBG5.0CA-M3/52 appears in Vishay's AEC-Q101-qualified product list with full test documentation.
How does the SMBG5.0CA-M3/52 differ from the unidirectional SMBG5.0A-M3/52?
The SMBG5.0CA-M3/52 is bidirectional with symmetrical breakdown and no polarity marking, while the SMBG5.0A-M3/52 is unidirectional and features a cathode band. Their VWM, VBR, and PPPM ratings match, but only the unidirectional version supports 100 A IFSM surge current. The SMBG5.0CA-M3/52 is selected for AC-coupled or differential signal protection where polarity independence is required.
What is the thermal resistance of the SMBG5.0CA-M3/52, and how does it affect PCB layout?
The SMBG5.0CA-M3/52 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 datasheet Figure 5. To maintain reliability under repeated surges, PCB designs must allocate adequate copper area and avoid thermal bottlenecks - undersized pads increase RθJA and risk thermal runaway. The SMBG5.0CA-M3/52's low RθJA enables compact thermal design in dense automotive modules.
Does the SMBG5.0CA-M3/52 meet RoHS and halogen-free requirements?
Yes, the "M3" suffix in SMBG5.0CA-M3/52 denotes halogen-free, RoHS-compliant construction per IEC 61249-2-21 and JESD201 Class 2 whisker resistance requirements. It contains no brominated flame retardants or chlorine-based compounds and satisfies global environmental regulations for automotive and industrial electronics. Vishay certifies the SMBG5.0CA-M3/52 as fully compliant with EU RoHS Directive 2011/65/EU and China RoHS.
SMBG5.0CA-M3/52 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:
- -65°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBG)
SMBG5.0CA-M3/52 FAQ
1.How can I place an order for SMBG5.0CA-M3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBG5.0CA-M3/52 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-M3/52 reliable?
The price and inventory of SMBG5.0CA-M3/52 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-M3/52 is usually 5 days.
3.What payment methods are accepted for SMBG5.0CA-M3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBG5.0CA-M3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBG5.0CA-M3/52?
SMBG5.0CA-M3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBG5.0CA-M3/52 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-M3/52?
For technical support, including SMBG5.0CA-M3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBG5.0CA-M3/52 requirements.
6.How does Aetrix verify that SMBG5.0CA-M3/52 is sourced from the original manufacturer or authorized distributors?
All SMBG5.0CA-M3/52 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-M3/52 meets industry standards.
7.What is the process for return or replacement of SMBG5.0CA-M3/52?
All SMBG5.0CA-M3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMBG5.0CA-M3/52, 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-M3/52 part is unused and in its original packaging.
Return procedure for SMBG5.0CA-M3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBG5.0CA-M3/52 Tags
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