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Vishay General Semiconductor - Diodes Division P6SMB510A01HM3_A/I
- Part No.:
- P6SMB510A01HM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB510A01HM3_A/I.pdf
- Description:
- TVS DIODE 434VWM 698VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,180
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Product details
Overview
P6SMB510A01HM3_A/I 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 minimum 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 automotive power supply inputs, industrial PLC I/O modules, and telecom DC-DC converter front-ends.
For engineers reviewing the P6SMB510A01HM3_A/I datasheet, P6SMB510A01HM3_A/I pinout, P6SMB510A01HM3_A/I application, or P6SMB510A01HM3_A/I equivalent, this device delivers AEC-Q101 qualified transient suppression for high-voltage DC systems where reliability under repetitive surges and low leakage (<1 μA at VWM) are critical selection criteria.
Technical Context
This unidirectional TVS diode operates as a voltage-clamping overvoltage protector with glass-passivated junction technology, enabling fast response time (<1 ns) and low incremental surge resistance. Its 600 W peak pulse power rating is specified per 10/1000 μs waveform at 0.01% duty cycle, with thermal derating above 25 °C ambient per Fig. 2 of the datasheet.
The device is housed in an SMB (DO-214AA) package with matte tin-plated leads, rated for MSL Level 1 (J-STD-020), and supports reflow soldering up to 260 °C peak. It is halogen-free, RoHS-compliant, and AEC-Q101 qualified - indicated by the "HM3" suffix and revision code "A/I".
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 434 V - maximum continuous reverse operating voltage before significant leakage; defines safe DC rail margin for 48 V–400 V systems. |
| VBR (Breakdown Voltage) | 485–535 V at 1 mA test current - precise voltage threshold at which avalanche conduction initiates; ensures consistent clamping onset. |
| VC (Clamping Voltage) | ≤698 V at 0.86 A IPPM - maximum voltage seen by protected circuit during 10/1000 μs surge; determines downstream component stress. |
| PPPM (Peak Pulse Power) | 600 W - energy-handling capacity under standardized surge waveform; validates suitability for IEC 61000-4-5 Level 4 (4 kV) protection. |
| IPPM (Peak Pulse Current) | 0.86 A - maximum transient current the device conducts while clamping; used to size upstream fusing and PCB trace width. |
| TJmax | 150 °C - maximum junction temperature; enables operation in under-hood automotive or enclosed industrial enclosures without forced cooling. |
| Leakage (ID at VWM) | <1 μA - ultra-low reverse leakage preserves battery life and avoids false triggering in high-impedance sensing circuits. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with cathode band marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); mounting pad layout per datasheet drawing (0.2" × 0.2" copper pads recommended).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward conduction; connected to system ground or low-side reference. | Provides return path for surge current; must be routed with low-inductance connection to minimize clamping overshoot. |
| Cathode | Current exit terminal during reverse-biased clamping; connected to protected line (e.g., +400 V bus). | Defines polarity-sensitive placement; band marking identifies cathode end for correct orientation on PCB. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, humidity bias, and surge endurance - required for powertrain and body control modules. |
| Halogen-free & RoHS-compliant (HM3) | Meets global environmental compliance mandates without compromising surge robustness or thermal performance. |
| 600 W peak pulse power (10/1000 μs) | Supports repeated high-energy transients per IEC 61000-4-5 without degradation - suitable for industrial motor drives and solar string inverters. |
| MSL Level 1 moisture sensitivity | Enables standard SMT reflow without baking; eliminates production delays and handling overhead for high-volume assembly. |
| Glass-passivated junction | Ensures stable VBR tolerance and long-term parameter stability across temperature and lifetime - critical for safety-critical protection. |
Applications
| Automotive High-Voltage DC Bus Protection | Industrial PLC Analog Input Protection |
|---|---|
|
Use Scenario: Protecting 400 V battery monitoring circuits in EV onboard chargers against load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between HV+ rail and chassis ground to shunt surge energy before it reaches ADC front-end and isolation amplifiers. Use Value: Clamps transients to ≤698 V while maintaining <1 μA leakage at 434 V, preserving measurement accuracy and preventing damage to 16-bit SAR ADCs. |
Use Scenario: Safeguarding 0–10 V analog input channels on programmable logic controllers exposed to field wiring surges. IC Role / Device Role / Timing Role: Standoff-mode protector on signal line, conducting only during >485 V transients to avoid loading normal 10 V full-scale range. Use Value: Enables direct integration into signal conditioning PCBs without additional buffering; 600 W rating handles multiple 1 kV/500 A surges per IEC 61000-4-4. |
| Solar Photovoltaic String Inverter DC Link | Telecom DC-DC Converter Input Stage |
|
Use Scenario: Suppressing lightning-induced surges on 600–1000 V DC strings feeding central inverters in utility-scale PV farms. IC Role / Device Role / Timing Role: Primary overvoltage clamp on DC link, coordinated with MOVs and fuses to limit let-through energy to <100 mJ. Use Value: Withstands repetitive 0.01% duty cycle surges and maintains VBR stability up to 150 °C junction temperature - essential for outdoor-rated inverters. |
Use Scenario: Protecting isolated 48 V input stage of telecom rectifier modules against AC line transients coupled through EMI filters. IC Role / Device Role / Timing Role: Fast-response clamping device placed after common-mode choke but before primary-side MOSFETs and controller ICs. Use Value: Sub-1 ns response time prevents gate oxide failure in 650 V SiC MOSFETs; low capacitance avoids EMI filter resonance issues. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ510A-E3/5B | Same VWM/VBR range but lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 140 °C/W). | Limited to lower-energy surges (IEC 61000-4-5 Level 2); not AEC-Q101 qualified. | Select when space-constrained and surge severity is moderate; verify thermal margin in sealed enclosures. |
| SMCJ510A-HM3 | Higher PPPM (1500 W), same VWM/VBR, larger SMC package (DO-214AB), identical HM3 AEC-Q101 and halogen-free status. | Required for IEC 61000-4-5 Level 5 (6 kV) or high-repetition-rate industrial environments. | Choose when system-level surge testing exceeds 600 W capability or when longer lifetime under cyclic stress is mandated. |
Compared with SMAJ510A-E3/5B, P6SMB510A01HM3_A/I offers 50% higher surge energy handling and automotive qualification; versus SMCJ510A-HM3, it provides identical reliability in a smaller SMB footprint - ideal for space-limited 400–500 V DC systems needing AEC-Q101 compliance without over-engineering.
Availability
P6SMB510A01HM3_A/I is available at Aetrix Electronics and suitable for automotive power electronics, industrial PLC I/O protection, and telecom DC-DC converter input stages requiring stable component supply, AEC-Q101 validation, and halogen-free compliance.
Supply support for P6SMB510A01HM3_A/I 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, efficiency, and application-specific optimization.
The P6SMB series was engineered for high-power, surface-mount transient suppression in harsh environments - targeting automotive, industrial, and renewable energy systems where compact size, AEC-Q101 compliance, and repeatable clamping performance are mandatory.
FAQ
What is the clamping voltage of P6SMB510A01HM3_A/I at its rated peak pulse current?
The P6SMB510A01HM3_A/I has a maximum clamping voltage (VC) of 698 V when subjected to its rated peak pulse current (IPPM) of 0.86 A under the standard 10/1000 μs waveform. This value is measured per Figure 1 in the Vishay datasheet 88370 and defines the upper voltage limit imposed on protected circuitry during surge events. The P6SMB510A01HM3_A/I maintains this clamping performance across its full operating temperature range.
Is P6SMB510A01HM3_A/I suitable for automotive applications?
Yes, P6SMB510A01HM3_A/I is AEC-Q101 qualified, as confirmed by its "HM3" suffix and revision code "A/I", indicating halogen-free, RoHS-compliant construction validated for automotive-grade reliability. It meets requirements for temperature cycling, humidity bias, and surge endurance per AEC-Q101 Rev D, making it appropriate for use in EV battery management, ADAS power supplies, and body control modules where high-voltage transient immunity is critical.
What does the "A01" in P6SMB510A01HM3_A/I signify?
The "A01" in P6SMB510A01HM3_A/I is a Vishay internal variant code denoting the specific electrical binning and packaging configuration within the P6SMB510A family. It corresponds to the 485–535 V VBR range (min/max) and confirms compliance with the P6SMB series' 600 W PPPM rating and SMB (DO-214AA) package. This identifier ensures traceability to the exact parametric group tested and qualified per datasheet 88370.
How does the thermal resistance of P6SMB510A01HM3_A/I affect its power dissipation capability?
P6SMB510A01HM3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" copper pads. At 25 °C ambient, its steady-state power dissipation (PD) is rated at 5.0 W; however, this derates linearly above 25 °C - e.g., to ~3.5 W at 60 °C ambient. This thermal profile directly impacts sustained surge repetition rate and must be considered alongside transient duty cycle in designs using P6SMB510A01HM3_A/I.
Can P6SMB510A01HM3_A/I be used in bidirectional configurations?
No, P6SMB510A01HM3_A/I is a unidirectional TVS diode, as indicated by the "A" suffix (not "CA") and absence of bidirectional VBR/VWM specifications in its row of the electrical characteristics table. Bidirectional variants such as P6SMB510CA exist but differ in marking, test methodology, and clamping symmetry. Using P6SMB510A01HM3_A/I in reverse-biased AC applications would result in forward conduction and potential failure.
P6SMB510A01HM3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- 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:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB510A01HM3_A/I FAQ
1.How can I place an order for P6SMB510A01HM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB510A01HM3_A/I 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 P6SMB510A01HM3_A/I reliable?
The price and inventory of P6SMB510A01HM3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB510A01HM3_A/I is usually 5 days.
3.What payment methods are accepted for P6SMB510A01HM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB510A01HM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB510A01HM3_A/I?
P6SMB510A01HM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB510A01HM3_A/I 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 P6SMB510A01HM3_A/I?
For technical support, including P6SMB510A01HM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB510A01HM3_A/I requirements.
6.How does Aetrix verify that P6SMB510A01HM3_A/I is sourced from the original manufacturer or authorized distributors?
All P6SMB510A01HM3_A/I 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 P6SMB510A01HM3_A/I meets industry standards.
7.What is the process for return or replacement of P6SMB510A01HM3_A/I?
All P6SMB510A01HM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB510A01HM3_A/I, 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 P6SMB510A01HM3_A/I part is unused and in its original packaging.
Return procedure for P6SMB510A01HM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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