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Vishay General Semiconductor - Diodes Division P6SMB510AHE3/52
- Part No.:
- P6SMB510AHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB510AHE3/52.pdf
- Description:
- TVS DIODE 434VWM 698VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,010
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Product details
Overview
P6SMB510AHE3/52 from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in power rails and signal lines. It features a 485 V minimum breakdown voltage, 434 V standoff voltage, 698 V maximum clamping voltage at 0.86 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - deployed in automotive power modules and industrial motor drives.
For engineers reviewing the P6SMB510AHE3/52 datasheet, P6SMB510AHE3/52 pinout, P6SMB510AHE3/52 application, or P6SMB510AHE3/52 equivalent, key selection criteria include clamping voltage margin relative to protected IC VDS(max), thermal resistance (RθJA = 100 °C/W), AEC-Q101 qualification, and DO-214AA (SMB) surface-mount compatibility with automated placement.
Technical Context
This TVS diode operates as a unidirectional avalanche clamp, triggered when reverse voltage exceeds its 485–535 V breakdown range at 1 mA test current. Its low incremental surge resistance ensures stable clamping under repetitive transients, while glass-passivated junction enhances reliability in high-humidity environments.
Designed for single-polarity DC rail protection, it delivers 600 W peak pulse power handling per 10/1000 µs waveform at ≤0.01% duty cycle, with thermal derating above 25 °C ambient per Fig. 2 and junction temperature limited to 150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 485 V / 535 V at IT = 1 mA - defines reliable conduction onset under overvoltage stress |
| VWM | 434 V - maximum continuous reverse operating voltage before leakage exceeds 1 μA |
| VC @ IPPM | 698 V at 0.86 A - clamped voltage seen by downstream circuit during worst-case surge |
| PPPM | 600 W - peak transient energy absorption capability with 10/1000 µs waveform |
| RθJA | 100 °C/W - thermal resistance from junction to ambient on standard 0.2" × 0.2" copper pads |
| TJ max | +150 °C - maximum allowable junction temperature for sustained operation |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling and HTRB |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, matte tin-plated leads, RoHS-compliant, MSL Level 1 (260 °C peak reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line (e.g., GND or return path) |
| Cathode (banded end) | Reverse-biased clamping terminal | Connected to higher-potential side (e.g., +48 V rail); band identifies polarity for unidirectional operation |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Enables protection against ISO 7637-2 Pulse 1/2a/5a transients in 48 V automotive systems |
| AEC-Q101 qualification | Validates suitability for under-hood applications with extended temperature and lifetime requirements |
| Glass passivated junction | Provides stable leakage and breakdown characteristics across humidity and thermal cycling |
| DO-214AA (SMB) package | Supports high-density PCB layouts and automated SMT assembly with J-STD-002 solderability |
| Low clamping ratio (VC/VBR ≈ 1.45) | Minimizes overvoltage stress on protected MOSFETs or gate drivers during fast transients |
Applications
| Automotive Power Distribution | Industrial Motor Drive DC Bus |
|---|---|
Use Scenario: Protection of 48 V battery management system inputs against load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery+ and chassis ground to clamp surges before they reach DC-DC converters. Use Value: Withstands 600 W pulses and maintains VC ≤ 698 V, ensuring protected SiC MOSFETs remain below their 750 V VDS(max). | Use Scenario: Safeguarding IGBT gate driver supply rails in variable-frequency drives exposed to inductive switching noise. IC Role / Device Role / Timing Role: Mounted across +15 V gate supply and ground to suppress coupling spikes from high-di/dt power stage switching. Use Value: Fast response (<1 ps) and low Rsurge limit clamping overshoot to <10% above rated rail, preventing false turn-on. |
| Telecom Rectifier Output | Renewable Energy Inverter Control Board |
Use Scenario: Overvoltage suppression on -48 V telecom rectifier outputs subject to lightning-induced surges on long feed lines. IC Role / Device Role / Timing Role: Installed at rectifier output terminals to absorb coupled transients before reaching backplane power distribution. Use Value: 434 V VWM allows safe operation at nominal -48 V × 10 = -480 V system level, with 698 V VC staying within downstream ASIC absolute max ratings. | Use Scenario: Protecting microcontroller I/O lines on solar inverter control boards exposed to ESD and grid-switching transients. IC Role / Device Role / Timing Role: Placed on isolated CAN and analog sensor inputs to shunt fast transients without loading signal integrity. Use Value: Junction capacitance <10 pF at zero bias (per Fig. 4) preserves signal rise time on 1 Mbps CAN bus traces. |
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 | Same DO-214AC (SMA) package; 510 V VBR min; 600 W PPPM; RθJA = 140 °C/W | Lower power density due to smaller SMA package; less suitable for sustained surge duty cycles | Select when board space is constrained and thermal budget permits higher junction rise |
| SMCJ510A | DO-214AB (SMC) package; identical VBR/VC; 1500 W PPPM; RθJA = 35 °C/W | Higher surge capacity and better thermal performance; requires larger footprint | Select when protecting high-energy circuits like EV charger front-ends where >600 W margin is required |
Compared with SMAJ510A, P6SMB510AHE3/52 offers superior thermal dissipation (RθJA = 100 vs. 140 °C/W) in the same production-ready SMB footprint; versus SMCJ510A, it trades surge headroom for compactness - ideal for space-constrained 48 V automotive ECUs needing AEC-Q101 compliance without redesign.
Availability
P6SMB510AHE3/52 is available at Aetrix Electronics and suitable for automotive power distribution, industrial motor drive DC bus protection, telecom rectifier output stabilization, and renewable energy inverter control board hardening requiring stable component supply and AEC-Q101 traceability.
Supply support for P6SMB510AHE3/52 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 reliability and automotive-grade qualification.
The P6SMB Series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-energy transient suppression in harsh-environment applications including automotive, industrial, and telecom infrastructure.
FAQ
What is the breakdown voltage tolerance for P6SMB510AHE3/52?
The P6SMB510AHE3/52 has a specified breakdown voltage range of 485 V to 535 V at 1 mA test current (VBR min/max), corresponding to ±5% tolerance around the nominal 510 V rating. This tight tolerance ensures predictable clamping behavior across production lots and supports precise overvoltage margin design in 48 V and higher DC systems where the P6SMB510AHE3/52 is commonly applied.
Is P6SMB510AHE3/52 suitable for bidirectional transient protection?
No, P6SMB510AHE3/52 is a unidirectional TVS diode, indicated by the "A" suffix and cathode band marking. It conducts only in reverse bias and must be oriented with cathode toward the protected high-side rail. For bidirectional protection, Vishay offers the P6SMB510CA variant; using P6SMB510AHE3/52 in AC or floating applications risks forward conduction failure and inadequate clamping.
What does the "HE3/52" suffix mean in P6SMB510AHE3/52?
The "HE3" suffix denotes RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker resistance; "/52" specifies packaging in 7" diameter plastic tape and reel with 750 units per reel. This distinguishes P6SMB510AHE3/52 from commercial-grade E3 variants and larger-reel /5B versions, ensuring automotive traceability and SMT line compatibility.
How does P6SMB510AHE3/52 perform under elevated ambient temperatures?
P6SMB510AHE3/52 derates linearly above 25 °C ambient per Figure 2 in the datasheet: peak pulse power drops to ~50% at 100 °C ambient and ~25% at 125 °C. Its RθJA of 100 °C/W on standard 0.2" × 0.2" copper pads means junction temperature rise is tightly coupled to layout - proper thermal pad design is essential to maintain P6SMB510AHE3/52 within its 150 °C TJ(max) limit during repeated surges.
Can P6SMB510AHE3/52 replace older P6SMB510A-E3/52 in existing designs?
Yes, P6SMB510AHE3/52 is a direct replacement for P6SMB510A-E3/52 with identical electrical specs, DO-214AA (SMB) mechanical outline, and pinout. The "H" prefix adds AEC-Q101 qualification and enhanced whisker resistance (Class 2 vs. Class 1A), making it suitable for automotive upgrades without layout or firmware changes - provided the original design already met thermal and surge requirements for the P6SMB510AHE3/52 specification set.
P6SMB510AHE3/52 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)
P6SMB510AHE3/52 FAQ
1.How can I place an order for P6SMB510AHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB510AHE3/52 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 P6SMB510AHE3/52 reliable?
The price and inventory of P6SMB510AHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB510AHE3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB510AHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB510AHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB510AHE3/52?
P6SMB510AHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB510AHE3/52 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 P6SMB510AHE3/52?
For technical support, including P6SMB510AHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB510AHE3/52 requirements.
6.How does Aetrix verify that P6SMB510AHE3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB510AHE3/52 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 P6SMB510AHE3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB510AHE3/52?
All P6SMB510AHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB510AHE3/52, 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 P6SMB510AHE3/52 part is unused and in its original packaging.
Return procedure for P6SMB510AHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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