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Vishay General Semiconductor - Diodes Division P6SMB510AHM3_C/I
- Part No.:
- P6SMB510AHM3_C/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB510AHM3_C/I.pdf
- Description:
- TVS DIODE 434VWM 698VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
P6SMB510AHM3_C/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 power and signal lines. It features a 485 V minimum breakdown voltage (VBR), 434 V maximum standoff voltage (VWM), 600 W peak pulse power rating (10/1000 µs), 0.86 A peak pulse current (IPPM), and clamps transients to ≤698 V at rated surge. It is used to protect MOSFETs, ICs, and sensor interfaces in industrial power supplies and telecom infrastructure.
For engineers reviewing the P6SMB510AHM3_C/I datasheet, P6SMB510AHM3_C/I pinout, P6SMB510AHM3_C/I application, or P6SMB510AHM3_C/I equivalent, key selection criteria include its 434 V working voltage, 698 V clamping level under 10/1000 µs surge, AEC-Q101 qualification (HM3 suffix), halogen-free RoHS compliance, and SMB (DO-214AA) package suitability for automated SMT assembly.
Technical Context
This TVS diode operates as a unidirectional clamping device with glass-passivated junction for stable avalanche behavior and low leakage (<1 µA at VWM). Its thermal resistance (RθJA = 100 °C/W) and junction temperature range (–65 °C to +150 °C) support reliable operation in high-ambient industrial environments without forced cooling.
The device meets J-STD-020 MSL Level 1 (peak reflow 260 °C), uses matte tin-plated leads compliant with J-STD-002 and JESD 22-B102, and is qualified per AEC-Q101 for automotive-grade reliability-confirmed by HM3 suffix and D-suffix AEC-Q101 qualification for high-voltage variants (P6SMB250A–P6SMB540A).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Standoff Voltage (VWM) | 434 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC/AC line rating. |
| Breakdown Voltage (VBR) | 485–535 V at 1 mA - Confirmed avalanche initiation range; ensures predictable turn-on during overvoltage events. |
| Clamping Voltage (VC) | ≤698 V at 0.86 A (10/1000 µs) - Maximum voltage seen by protected circuit during full-rated surge; critical for downstream component survivability. |
| Peak Pulse Power (PPPM) | 600 W - Energy-handling capacity for standardized 10/1000 µs transient waveform; enables robust lightning/surge immunity. |
| Package | SMB (DO-214AA) - Industry-standard 2-pin SMT outline (5.59 mm × 4.06 mm × 2.20 mm); compatible with standard pick-and-place and reflow profiles. |
| AEC-Q101 Qualified | Yes (HM3 suffix + D-suffix qualification) - Validated for automotive electronics per stress test requirements including HTOL, TCT, and ESD. |
| RoHS & Halogen-Free | Compliant (HM3 designation) - Meets EU RoHS Directive 2011/65/EU and halogen-free material standards per IEC 61249-2-21. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, 2-terminal unidirectional configuration. Cathode indicated by molded band on body; anode is unmarked end. Mounting requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal per datasheet recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Surge current sink / clamping node | Connected to protected line (e.g., DC bus or signal trace); conducts avalanche current to ground during overvoltage. |
| Anode (unbanded end) | Reference / ground return path | Typically tied to system ground or low-impedance return; completes clamping loop with minimal inductance. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Enables protection against IEC 61000-4-5 Level 4 surges (4 kV line-to-ground) without derating in standard PCB layouts. |
| Low clamping ratio (VC/VBR ≈ 1.38) | Minimizes overvoltage stress on downstream components-critical for 500 V-class MOSFETs and isolated gate drivers. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking; reduces manufacturing overhead and handling risk. |
| AEC-Q101 qualified (HM3 + D-suffix) | Validates reliability for automotive powertrain and body electronics where long-term field stability is mandatory. |
| Glass passivated junction | Ensures stable VBR tolerance (±5 %), low leakage (<1 µA), and resistance to humidity-induced parameter drift. |
Applications
| Industrial AC/DC Power Supply Input Stage | Telecom DC Feeder Protection |
|---|---|
Use Scenario: Protects rectifier output and bulk capacitor inputs against lightning-induced surges on 400 V AC mains-derived DC buses. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between DC+ and chassis ground to limit transient overshoot during surge events. Use Value: Clamps 600 W surges to ≤698 V, preventing overvoltage failure of 600 V-rated electrolytic capacitors and primary-side controllers. |
Use Scenario: Shields -48 V DC telecom feeder lines from induced transients caused by nearby lightning strikes or switching noise. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across feed line and return to clamp common-mode surges before reaching DC/DC converters. Use Value: Withstands repetitive 10/1000 µs surges up to 600 W while maintaining <1 µA leakage at 434 V, preserving system efficiency and uptime. |
| Automotive On-Board Charger (OBC) DC Link | High-Voltage Sensor Signal Conditioning |
Use Scenario: Safeguards bidirectional OBC DC link (up to 500 V) against load dump and inductive switching spikes during EV charging cycles. IC Role / Device Role / Timing Role: Unidirectional TVS mounted across DC+ and ground to suppress fast-rising transients from IGBT/MOSFET commutation. Use Value: AEC-Q101 qualification and 150 °C max junction temperature ensure operational integrity in under-hood thermal environments. |
Use Scenario: Protects precision analog front-ends of HV battery cell monitors and isolation amplifiers from coupling noise on 400–800 V battery packs. IC Role / Device Role / Timing Role: High-VWM TVS placed at signal input filter stage to shunt ESD and fast transients before op-amp inputs. Use Value: Low capacitance (<50 pF typical at 0 V) and fast response (<1 ns) prevent signal distortion while enabling >1 MHz bandwidth preservation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ510A-E3/5B | Same VWM/VBR range but 400 W PPPM; SMA package (smaller footprint, higher RθJA = 140 °C/W) | Limited to lower-energy surges; unsuitable for IEC 61000-4-5 Level 4 without parallel staging | Select when board space is constrained and surge energy is ≤400 W. |
| SMCJ510A-HM3 | Same 600 W rating and SMB-compatible SMC (DO-214AB) package; slightly larger body (7.11 mm × 6.22 mm), VC = 711 V | Higher clamping voltage reduces margin for 600 V-rated components; better thermal mass for repetitive surges | Choose when enhanced thermal cycling endurance is required and layout allows larger footprint. |
Compared with P6SMB510AHM3_C/I, SMAJ510A-E3/5B offers space savings but sacrifices 33 % surge energy handling, while SMCJ510A-HM3 trades marginally higher clamping for improved thermal robustness-making P6SMB510AHM3_C/I the optimal balance of compact size, precise clamping, and AEC-Q101 compliance for high-reliability 400–500 V systems.
Availability
P6SMB510AHM3_C/I is available at Aetrix Electronics and suitable for industrial power supplies, telecom DC feeders, automotive on-board chargers, and high-voltage sensor interfaces requiring stable component supply with guaranteed long-term manufacturability.
Supply support for P6SMB510AHM3_C/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, rectifiers, TVS devices, and optoelectronics with emphasis on reliability, efficiency, and application-specific performance.
The P6SMB series was engineered for high-power transient suppression in space-constrained SMT designs, targeting industrial, automotive, and telecom applications where consistent clamping, AEC-Q101 validation, and halogen-free compliance are mandatory.
FAQ
What is the maximum clamping voltage of the P6SMB510AHM3_C/I under a 10/1000 µs surge?
The P6SMB510AHM3_C/I clamps to a maximum of 698 V when subjected to its rated peak pulse current of 0.86 A with a 10/1000 µs waveform. This value is measured per standard test conditions (TA = 25 °C, mounted on 5.0 mm × 5.0 mm copper pads) and defines the upper voltage limit imposed on protected circuits during surge events. The P6SMB510AHM3_C/I maintains this clamping performance across its specified operating temperature range.
Is the P6SMB510AHM3_C/I AEC-Q101 qualified, and what does the HM3 suffix indicate?
Yes, the P6SMB510AHM3_C/I is AEC-Q101 qualified. The HM3 suffix denotes halogen-free, RoHS-compliant construction and confirms qualification per AEC-Q101 for high-voltage variants (P6SMB250A–P6SMB540A). This qualification includes stress testing for high-temperature operating life, temperature cycling, and electrostatic discharge-ensuring reliability in automotive power electronics. The P6SMB510AHM3_C/I carries this certification explicitly per Vishay's ordering information table.
What is the standoff voltage (VWM) of the P6SMB510AHM3_C/I, and why is it important for design?
The P6SMB510AHM3_C/I has a maximum standoff voltage (VWM) of 434 V, meaning it remains non-conductive up to this DC or RMS voltage level. This parameter ensures no leakage current or power loss during normal operation while providing sufficient margin below the 485 V minimum breakdown voltage. Designers use VWM to select a TVS that avoids false triggering on nominal system voltages-critical for stable 400 V DC bus protection. The P6SMB510AHM3_C/I's VWM is validated per JEDEC test methods and published in its official electrical characteristics table.
Can the P6SMB510AHM3_C/I be used in bidirectional configurations?
No, the P6SMB510AHM3_C/I is a unidirectional TVS diode, as confirmed by its part number suffix "A" (not "CA") and the absence of bidirectional VBR/VWM specifications in its row of the Vishay P6SMB datasheet. Bidirectional variants use the "CA" suffix (e.g., P6SMB510CA) and exhibit symmetrical breakdown in both polarities. Using the P6SMB510AHM3_C/I in reverse-biased applications would result in forward conduction and potential failure. Always verify polarity marking (cathode band) during placement.
What package type does the P6SMB510AHM3_C/I use, and what are its key mechanical dimensions?
The P6SMB510AHM3_C/I uses the SMB (DO-214AA) surface-mount package, measuring 5.59 mm in length, 4.06 mm in width, and 2.20 mm in height. Its cathode is marked by a molded band, and terminals are matte tin-plated for solderability per J-STD-002. The recommended mounting pad layout is 0.2" × 0.2" (5.0 mm × 5.0 mm) copper per terminal-this geometry is essential to achieve the rated 600 W pulse power and thermal performance specified for the P6SMB510AHM3_C/I.
P6SMB510AHM3_C/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:
- Obsolete
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB510AHM3_C/I FAQ
1.How can I place an order for P6SMB510AHM3_C/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB510AHM3_C/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 P6SMB510AHM3_C/I reliable?
The price and inventory of P6SMB510AHM3_C/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB510AHM3_C/I is usually 5 days.
3.What payment methods are accepted for P6SMB510AHM3_C/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB510AHM3_C/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB510AHM3_C/I?
P6SMB510AHM3_C/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB510AHM3_C/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 P6SMB510AHM3_C/I?
For technical support, including P6SMB510AHM3_C/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB510AHM3_C/I requirements.
6.How does Aetrix verify that P6SMB510AHM3_C/I is sourced from the original manufacturer or authorized distributors?
All P6SMB510AHM3_C/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 P6SMB510AHM3_C/I meets industry standards.
7.What is the process for return or replacement of P6SMB510AHM3_C/I?
All P6SMB510AHM3_C/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB510AHM3_C/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 P6SMB510AHM3_C/I part is unused and in its original packaging.
Return procedure for P6SMB510AHM3_C/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB510AHM3_C/I Tags
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