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Vishay General Semiconductor - Diodes Division P6SMB510A-M3/52
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- Part No.:
- P6SMB510A-M3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB510A-M3/52.pdf
- Description:
- TVS DIODE 434VWM 698VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,171
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Product details
Overview
P6SMB510A-M3/52 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, rated for 600 W peak pulse power with a 10/1000 μs waveform, 434 V standoff voltage (VWM), and 698 V clamping voltage (VC) at 0.86 A peak pulse current. It protects sensitive MOSFETs and ICs in industrial power supplies against lightning-induced surges and inductive switching transients.
For engineers reviewing the P6SMB510A-M3/52 datasheet, P6SMB510A-M3/52 pinout, P6SMB510A-M3/52 application, or P6SMB510A-M3/52 equivalent, key selection criteria include its 434 V working voltage, 698 V clamping performance under 0.86 A surge, halogen-free RoHS-compliant M3 suffix, and suitability for high-voltage DC bus protection in telecom rectifiers and solar string inverters.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, designed to shunt transient energy to ground when reverse voltage exceeds its breakdown threshold of 485–535 V at 1 mA test current. Its low incremental surge resistance ensures minimal voltage overshoot during fast-rising ESD or surge events.
Thermal performance is defined by a junction-to-ambient thermal resistance of 100 °C/W on standard 0.2" × 0.2" copper pads, enabling reliable operation up to 150 °C junction temperature. The device meets J-STD-020 MSL Level 1 and is qualified per JESD201 Class 2 for whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 434 V - Maximum continuous reverse operating voltage before clamping begins; sets DC bus protection threshold. |
| VBR (Breakdown Voltage) | 485–535 V at 1 mA - Confirmed avalanche conduction onset; ensures precise overvoltage triggering. |
| VC (Clamping Voltage) | 698 V at IPPM = 0.86 A - Peak voltage seen by protected circuit during full-rated 10/1000 μs surge. |
| PPPM (Peak Pulse Power) | 600 W - Sustains standardized 10/1000 μs surge without failure; defines transient energy handling capacity. |
| IPPM (Peak Pulse Current) | 0.86 A - Maximum surge current supported at rated clamping voltage; critical for IEC 61000-4-5 compliance margin. |
| TJmax | 150 °C - Maximum allowable junction temperature; determines thermal derating above 25 °C ambient. |
| RθJA | 100 °C/W - Thermal resistance from junction to ambient on recommended pad layout; guides PCB copper area design. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, halogen-free, RoHS-compliant, matte tin-plated terminals solderable per J-STD-002 and JESD22-B102. Cathode identified by molded band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient return path | Connected to system ground or low-impedance reference; completes clamping loop during overvoltage event. |
| Cathode | Protected line connection | Connected to line being protected (e.g., DC+ rail); reverse-biased during normal operation, avalanches during surge. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against IEC 61000-4-5 Level 4 surges (4 kV line-earth) in high-voltage DC systems. |
| Low clamping ratio (VC/VBR ≈ 1.37) | Minimizes overvoltage stress on downstream SiC MOSFETs or gate drivers during transient events. |
| MSL Level 1, 260 °C reflow compatible | Supports single-pass lead-free assembly without moisture-related popcorning or delamination. |
| Halogen-free, RoHS-compliant (M3 suffix) | Fulfills environmental compliance requirements for industrial and telecom equipment sold in EU, China, and Japan. |
| 150 °C maximum junction temperature | Allows operation in enclosed power enclosures with limited airflow, such as solar combiner boxes or 5G base station PSUs. |
Applications
| Telecom Rectifier Output Protection | Solar String Inverter DC Link |
|---|---|
|
Use Scenario: Protecting 400–600 V DC output rails of telecom rectifiers against lightning-induced surges and load dump transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed across DC+ and ground, triggered only during overvoltage events. Use Value: Limits transient voltage to ≤698 V, preventing damage to downstream DC-DC controllers and monitoring ICs rated for 700 V max. |
Use Scenario: Safeguarding high-voltage DC link capacitors and IGBT/SiC modules in string inverters exposed to grid-side surges. IC Role / Device Role / Timing Role: Standby overvoltage clamp activated within <1 ns of surge onset, absorbing 600 W for 1 ms. Use Value: Maintains system uptime by preventing catastrophic failure of 650 V SiC half-bridges during utility grid switching events. |
| Industrial PLC Power Input | EV Charging Station DC Bus |
|
Use Scenario: Shielding 24–48 V DC input stages of programmable logic controllers from inductive kickback and EFT bursts. IC Role / Device Role / Timing Role: Primary transient suppressor on main DC input, coordinated with upstream fuse and common-mode chokes. Use Value: Withstands repeated 1 kV/500 A surges per IEC 61000-4-4, extending mean time between failures in factory automation environments. |
Use Scenario: Clamping transients on 800 V DC bus of CCS-compliant EV charging stations during plug insertion/removal and grid fluctuations. IC Role / Device Role / Timing Role: High-voltage unidirectional TVS mounted directly at bus capacitor terminals to minimize inductance. Use Value: Achieves <10 ns response time and 698 V clamping, keeping bus voltage within safe operating area of 900 V-rated electrolytic capacitors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ510A | Same VWM (434 V), identical SMB package, but rated for 600 W with 1.0 ms pulse width; slightly higher VC (707 V at 0.85 A). | Marginally lower clamping performance; less suitable for tight 700 V system margins. | Select P6SMB510A-M3/52 when clamping voltage headroom is constrained below 700 V. |
| 1.5SMC510A | Higher package thermal resistance (RθJA = 125 °C/W), same VWM/VC, but larger SMC (DO-214AB) footprint. | Requires PCB redesign; not drop-in; better for high-reliability aerospace where SMC mechanical robustness is prioritized. | Choose P6SMB510A-M3/52 for space-constrained industrial designs requiring SMB footprint and halogen-free compliance. |
Compared with SMBJ510A and 1.5SMC510A, the P6SMB510A-M3/52 delivers tighter clamping (698 V vs. 707 V), lower thermal resistance (100 °C/W), and halogen-free construction-making it optimal for high-density, environmentally regulated 400–600 V DC protection where board space and regulatory compliance are critical.
Availability
P6SMB510A-M3/52 is available at Aetrix Electronics and suitable for telecom rectifiers, solar string inverters, industrial PLC power inputs, and EV charging station DC buses requiring stable component supply and long-term lifecycle support.
Supply support for P6SMB510A-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, rectifiers, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets high-energy transient suppression in industrial, telecom, and renewable energy systems, delivering standardized 600 W surge capability in compact SMB packages for automated SMT assembly.
FAQ
What is the clamping voltage of the P6SMB510A-M3/52 under full-rated surge current?
The P6SMB510A-M3/52 has a maximum clamping voltage (VC) of 698 V at a peak pulse current (IPPM) of 0.86 A with a 10/1000 μs waveform. This value is measured per standard test conditions and defines the upper voltage limit imposed on protected circuits during worst-case surge events. The P6SMB510A-M3/52 maintains this clamping performance across its specified operating temperature range.
Is the P6SMB510A-M3/52 suitable for automotive applications?
The P6SMB510A-M3/52 is not AEC-Q101 qualified; it carries the commercial-grade M3 suffix. For automotive use, Vishay offers the HM3_D variant (e.g., P6SMB510AHM3_D/H), which adds AEC-Q101 qualification. The P6SMB510A-M3/52 is intended for industrial, telecom, and renewable energy applications where AEC-Q101 is not mandated.
What does the "M3" suffix indicate in P6SMB510A-M3/52?
The "M3" suffix denotes halogen-free, RoHS-compliant construction with matte tin-plated leads meeting JESD201 Class 2 whisker resistance. It distinguishes the part from the E3 (RoHS-compliant, non-halogen-free) and HM3 (AEC-Q101 + halogen-free) variants. The P6SMB510A-M3/52 is certified for use in environmentally regulated markets including the EU and Japan.
How does the P6SMB510A-M3/52 compare to bidirectional TVS diodes like P6SMB510CA?
The P6SMB510A-M3/52 is unidirectional and features a cathode band for polarity identification, while P6SMB510CA is bidirectional with no polarity marking and symmetric clamping in both directions. The P6SMB510A-M3/52 is used where DC polarity is fixed (e.g., DC bus protection), whereas P6SMB510CA suits AC-coupled or floating signal lines. Their VWM, VBR, and VC values differ accordingly.
What PCB pad layout is recommended for optimal thermal performance of the P6SMB510A-M3/52?
Vishay specifies a minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad area per terminal for thermal testing. To achieve the rated RθJA of 100 °C/W, the P6SMB510A-M3/52 must be mounted on these pads using standard reflow profiles. Reducing pad size increases thermal resistance and reduces surge current handling capability-designers should verify layout against Figure 2 derating curves in the P6SMB510A-M3/52 datasheet.
P6SMB510A-M3/52 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 434V
- Voltage - Breakdown (Min):
- 485V
- Voltage - Clamping (Max) @ Ipp:
- 698V
- Current - Peak Pulse (10/1000µs):
- 860mA
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB510A-M3/52 FAQ
1.How can I place an order for P6SMB510A-M3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB510A-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 P6SMB510A-M3/52 reliable?
The price and inventory of P6SMB510A-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 P6SMB510A-M3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB510A-M3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB510A-M3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB510A-M3/52?
P6SMB510A-M3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB510A-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 P6SMB510A-M3/52?
For technical support, including P6SMB510A-M3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB510A-M3/52 requirements.
6.How does Aetrix verify that P6SMB510A-M3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB510A-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 P6SMB510A-M3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB510A-M3/52?
All P6SMB510A-M3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB510A-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 P6SMB510A-M3/52 part is unused and in its original packaging.
Return procedure for P6SMB510A-M3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB510A-M3/52 Tags
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