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Vishay General Semiconductor - Diodes Division P6SMB510A-M3/5B
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- Part No.:
- P6SMB510A-M3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB510A-M3/5B.pdf
- Description:
- TVS DIODE 434VWM 698VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,609
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Product details
Overview
P6SMB510A-M3/5B from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the P6SMB series, designed for high-energy surge protection on DC power rails and signal lines. It features a 485 V to 535 V breakdown voltage (VBR), 434 V standoff voltage (VWM), 600 W peak pulse power rating (10/1000 µs), and clamps transients to ≤698 V at 0.86 A peak pulse current - deployed in industrial motor drives, telecom power supplies, and automotive ECUs.
For engineers reviewing the P6SMB510A-M3/5B datasheet, P6SMB510A-M3/5B pinout, P6SMB510A-M3/5B application, or P6SMB510A-M3/5B equivalent, key selection criteria include its unidirectional polarity, SMB (DO-214AA) package, 150 °C max junction temperature, halogen-free RoHS-compliant construction (M3 suffix), and AEC-Q101 qualification availability via HM3 suffix variants.
Technical Context
This TVS diode operates as a clamping device that enters avalanche conduction when reverse voltage exceeds VBR, limiting transient overvoltage to a controlled VC level. Its glass-passivated junction ensures stable leakage performance (<1.0 µA at VWM) and fast response time (<1.0 ns), critical for protecting sensitive MOSFET gates and microcontroller I/O pins.
The device is rated for 600 W peak pulse power under standardized 10/1000 µs waveform conditions with 0.01% duty cycle, and exhibits low incremental surge resistance to minimize voltage overshoot during high-current transients. Thermal resistance is specified at RθJA = 100 °C/W (typ.) on 0.2" × 0.2" copper pads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 485 V / 535 V - defines minimum and maximum guaranteed avalanche onset voltage at 1.0 mA test current |
| VWM | 434 V - maximum continuous reverse operating voltage before significant leakage begins |
| VC @ IPPM | ≤698 V at 0.86 A - clamped voltage during full 600 W surge event; determines protected circuit's worst-case overvoltage |
| PPPM | 600 W - peak transient power handling capability per 10/1000 µs waveform; sets surge energy limit |
| IPPM | 0.86 A - peak pulse current corresponding to 600 W clamping condition |
| TJ max | +150 °C - maximum allowable junction temperature; enables operation in high-ambient industrial environments |
| Package | SMB (DO-214AA) - surface-mount outline with 5.59 mm × 4.06 mm footprint and 2.20 mm height; compatible with automated pick-and-place |
Pinout & Package
SMB (DO-214AA) package: molded plastic case with matte tin-plated leads, MSL Level 1 (260 °C reflow peak), UL 94 V-0 flammability rating. Cathode indicated by band; anode is unmarked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts avalanche current to ground during overvoltage events |
| Anode (unbanded end) | Reference node | Typically tied to system ground or low-impedance return path; completes clamping loop |
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/2 Ω) on 48 V–400 V DC systems |
| Low clamping ratio (VC/VBR ≈ 1.31) | Minimizes overvoltage stress on downstream components compared to higher-ratio TVS devices |
| Glass-passivated junction | Ensures stable leakage current (<1 µA at VWM) and long-term reliability under thermal cycling |
| Halogen-free, RoHS-compliant (M3 suffix) | Meets environmental compliance requirements for industrial and automotive supply chains without compromising surge performance |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking; simplifies SMT manufacturing flow |
Applications
| Industrial Motor Drives | Telecom Power Supplies |
|---|---|
Use Scenario: Protection of gate drivers and bus voltage sensing circuits against switching-induced transients in 3-phase inverters. IC Role / Device Role / Timing Role: Unidirectional TVS placed across DC-link capacitor or between gate resistor and driver output. Use Value: Clamps 600 V+ spikes from IGBT turn-off to ≤698 V, preventing gate oxide rupture and false triggering. | Use Scenario: Input-stage surge suppression on -48 V DC distribution boards in central office equipment. IC Role / Device Role / Timing Role: Primary-level TVS connected between input rail and chassis ground ahead of DC/DC converters. Use Value: Absorbs 600 W lightning-induced surges while maintaining <1 µA leakage at nominal -48 V operation. |
| Automotive Body Control Modules | Renewable Energy Inverters |
Use Scenario: Load-dump protection on 12 V/24 V battery-fed microcontroller power inputs in BCMs. IC Role / Device Role / Timing Role: Unidirectional clamp on VCC rail, cathode to rail, anode to ground. Use Value: Withstands ISO 7637-2 Pulse 5a (110 V/100 ms) without degradation due to 150 °C TJ rating. | Use Scenario: DC-side transient suppression in solar string combiner boxes exposed to induced lightning surges. IC Role / Device Role / Timing Role: High-voltage TVS mounted across PV+ and PV− terminals upstream of MPPT controller. Use Value: Handles 600 W pulses at up to 510 V standoff, enabling compliance with UL 1741 SA Category III surge 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 |
|---|---|---|---|
| SMBJ510A | Same VBR range (485–535 V), identical SMB package, but rated for 600 W with tighter VC tolerance (698 V max vs. 700 V typical); JEDEC-qualified, not AEC-Q101 available | Preferred for commercial telecom where AEC-Q101 is unnecessary; same PCB layout | Select SMBJ510A when AEC-Q101 qualification is not required and tighter VC spec is desired |
| 1.5SMC510A | Higher package thermal resistance (RθJA = 125 °C/W), larger SMC (DO-214AB) footprint (7.11 mm × 6.22 mm), same electrical specs; RoHS-compliant E3 variant only | Used where board space allows larger package and higher thermal margin is needed for sustained surge duty | Choose 1.5SMC510A if layout permits larger footprint and higher thermal mass improves long-term reliability under repetitive surges |
Compared with SMBJ510A, P6SMB510A-M3/5B offers halogen-free compliance and optional AEC-Q101 qualification (via HM3 suffix), while 1.5SMC510A provides greater thermal mass in a larger package - making P6SMB510A-M3/5B optimal for space-constrained, automotive-qualified, or environmentally regulated designs.
Availability
P6SMB510A-M3/5B is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, and automotive body control modules requiring stable component supply, halogen-free compliance, and consistent surge performance across production batches.
Supply support for P6SMB510A-M3/5B 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, rectifiers, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB series is engineered for high-energy transient suppression in harsh environments - targeting industrial automation, automotive electronics, and telecom infrastructure where robustness, consistency, and regulatory compliance are mandatory.
FAQ
What is the maximum clamping voltage of the P6SMB510A-M3/5B under a 600 W surge?
The P6SMB510A-M3/5B has a maximum clamping voltage (VC) of 698 V when subjected to its rated 600 W peak pulse power with a 10/1000 µs waveform. This value is measured at the specified peak pulse current of 0.86 A and defines the upper voltage limit imposed on protected circuitry during transient events. The P6SMB510A-M3/5B maintains this clamping performance across its qualified operating temperature range.
Is the P6SMB510A-M3/5B suitable for automotive applications?
The P6SMB510A-M3/5B itself is not AEC-Q101 qualified; however, Vishay offers the functionally identical HM3-suffix variant (e.g., P6SMB510AHM3_D/I) which is AEC-Q101 qualified for automotive use. The P6SMB510A-M3/5B shares the same electrical characteristics and SMB package but is rated for commercial-grade operation. For automotive designs, specify the HM3 version to ensure qualification compliance.
What does the "M3" suffix indicate in P6SMB510A-M3/5B?
Within the P6SMB series, the "M3" suffix denotes halogen-free, RoHS-compliant construction with matte tin-plated leads meeting JESD 201 Class 2 whisker resistance. It distinguishes the part from the "E3" (RoHS-compliant, non-halogen-free) and "HM3" (AEC-Q101 qualified + halogen-free) variants. The P6SMB510A-M3/5B is therefore suitable for environmentally regulated industrial and consumer applications requiring halogen-free materials.
Can the P6SMB510A-M3/5B be used in bidirectional configurations?
No - the P6SMB510A-M3/5B is a unidirectional TVS diode, identifiable by its cathode band marking. Bidirectional operation requires a CA-suffixed part such as P6SMB510CA. Using the P6SMB510A-M3/5B in reverse-biased AC applications would result in forward conduction and failure. Always match polarity: cathode to protected line, anode to reference ground for proper clamping.
What is the thermal resistance and recommended pad layout for the P6SMB510A-M3/5B?
The P6SMB510A-M3/5B 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. The recommended mounting pad layout matches the SMB (DO-214AA) outline: 0.086" (2.18 mm) min. pad width, 0.220" (5.59 mm) reference length, with solder mask defined pads to maximize thermal transfer. Proper pad design ensures reliable operation at its 150 °C maximum junction temperature.
P6SMB510A-M3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Box (TB)
- 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-M3/5B FAQ
1.How can I place an order for P6SMB510A-M3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB510A-M3/5B 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 P6SMB510A-M3/5B reliable?
The price and inventory of P6SMB510A-M3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB510A-M3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB510A-M3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB510A-M3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB510A-M3/5B?
P6SMB510A-M3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB510A-M3/5B 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 P6SMB510A-M3/5B?
For technical support, including P6SMB510A-M3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB510A-M3/5B requirements.
6.How does Aetrix verify that P6SMB510A-M3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB510A-M3/5B 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 P6SMB510A-M3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB510A-M3/5B?
All P6SMB510A-M3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB510A-M3/5B, 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 P6SMB510A-M3/5B part is unused and in its original packaging.
Return procedure for P6SMB510A-M3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB510A-M3/5B Tags
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