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Vishay General Semiconductor - Diodes Division P6SMB540A-M3/52
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- Part No.:
- P6SMB540A-M3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB540A-M3/52.pdf
- Description:
- TVS DIODE 459VWM 740VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,787
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Product details
Overview
P6SMB540A-M3/52 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 540 V breakdown voltage (VBR = 513–567 V at IT = 1.0 mA), 600 W peak pulse power (10/1000 μs), and 0.81 A maximum peak pulse current (IPPM). It protects high-voltage DC bus lines, industrial power supplies, and telecom rectifier outputs against ESD and lightning-induced transients.
For engineers reviewing the P6SMB540A-M3/52 datasheet, P6SMB540A-M3/52 pinout, P6SMB540A-M3/52 application, or P6SMB540A-M3/52 equivalent, this part delivers verified clamping performance (VC = 740 V at IPPM), halogen-free RoHS compliance (M3 suffix), and AEC-Q101 qualification readiness via HM3_D variant - critical for high-reliability HV transient suppression where stand-off voltage >450 V is required.
Technical Context
This TVS operates as a unidirectional avalanche clamp: reverse-biased during normal operation with <1.0 μA leakage at 459 V stand-off (VWM), then rapidly avalanches into low-impedance conduction when transient voltage exceeds VBR. Its glass-passivated junction ensures stable breakdown and fast response (<1 ns).
Thermal design relies on RθJA = 100 °C/W (typ.) and RθJL = 20 °C/W (typ.), requiring minimum 0.2" × 0.2" copper pads per terminal for full 600 W rating. The M3 suffix confirms halogen-free, RoHS-compliant construction meeting JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 513 V / 567 V at 1.0 mA test current - defines precise avalanche onset window for reliable overvoltage triggering |
| VWM | 459 V - maximum continuous reverse operating voltage before significant leakage begins |
| VC @ IPPM | 740 V at 0.81 A (10/1000 μs) - clamped voltage seen by protected circuit during worst-case surge |
| PPPM | 600 W - peak transient energy absorption capability under standardized 10/1000 μs waveform |
| IPPM | 0.81 A - maximum non-repetitive surge current the device sustains without failure |
| TJ max. | +150 °C - maximum junction temperature enabling use in high-ambient industrial environments |
| Package | SMB (DO-214AA) - surface-mount footprint compatible with automated assembly; 0.220" × 0.130" body size |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case with matte tin-plated leads; cathode indicated by band at one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to system ground or low-side return path in unidirectional clamp configuration |
| Cathode | Avalanche conduction terminal | Connected to protected line (e.g., HV DC bus); band-marked end carries transient current into ground |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection of 400–600 V DC systems against IEC 61000-4-5 Level 4 surges without derating |
| Halogen-free, RoHS-compliant (M3 suffix) | Meets environmental compliance requirements for industrial and automotive supply chains without compromising thermal reliability |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving margin for downstream MOSFETs and controllers |
| MSL Level 1 (260 °C peak reflow) | Supports standard lead-free SMT assembly without moisture sensitivity concerns or baking requirements |
| 150 °C maximum junction temperature | Permits deployment in enclosed power converters and telecom rectifiers with limited airflow |
Applications
| Industrial HV DC Bus Protection | Telecom Rectifier Output Clamping |
|---|---|
|
Use Scenario: Protecting 480–560 V DC distribution buses in factory automation PLCs and motor drives from switching transients and load dump events. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between HV rail and chassis ground, clamping transients within nanoseconds. Use Value: Limits transient voltage to ≤740 V, preserving gate oxide integrity of 600 V Si MOSFETs and reducing need for oversized snubbers. |
Use Scenario: Safeguarding output stages of -48 V or +54 V telecom rectifiers against lightning-induced surges on feed lines. IC Role / Device Role / Timing Role: Standoff-rated TVS connected anode-to-ground, cathode-to-output, absorbing repetitive 600 W pulses without degradation. Use Value: Maintains <1.0 μA leakage at 459 V, ensuring no impact on regulation accuracy while surviving >1000 surges per JESD22-A114. |
| High-Voltage Sensor Interface Protection | Renewable Energy Inverter DC Link Clamp |
|
Use Scenario: Shielding precision voltage dividers and isolation amplifiers in HV battery monitoring systems (e.g., EV traction battery packs). IC Role / Device Role / Timing Role: Front-end transient suppressor on differential input lines, referenced to isolated ground plane. Use Value: 740 V clamping voltage provides ≥100 V margin above 600 V nominal DC link, preventing sensor saturation or latch-up. |
Use Scenario: Clamping DC link overvoltage spikes in solar string inverters during rapid MPPT transitions or grid fault recovery. IC Role / Device Role / Timing Role: Unidirectional TVS mounted across DC+ and DC− rails, triggered only during positive polarity surges. Use Value: 0.81 A IPPM rating aligns with IEC 61000-4-5 combination wave (2 Ω source), enabling direct compliance without external impedance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ540A | Same VBR range (513–567 V), identical SMB package, but rated for 600 W with lower VC = 727 V at 0.83 A; JEDEC-qualified, not AEC-Q101 ready | Preferred for commercial-grade telecom and industrial power where automotive qualification is unnecessary | Select SMBJ540A if lower clamping voltage is prioritized and AEC-Q101 is not required |
| P6SMB540CA | Bidirectional version (VBR = 513–567 V, VWM = 459 V), same 600 W rating, but symmetrical clamping (VC = 740 V both polarities) | Required for AC-coupled or floating systems where bidirectional transients occur (e.g., Ethernet PHY protection) | Choose P6SMB540CA only when protecting balanced lines or circuits lacking defined ground reference |
Compared with SMBJ540A, P6SMB540A-M3/52 offers halogen-free compliance and AEC-Q101 pathway via HM3_D variants; versus P6SMB540CA, it provides 12% lower leakage and optimized unidirectional clamping - making it superior for grounded HV DC rail protection where polarity is fixed.
Availability
P6SMB540A-M3/52 is available at Aetrix Electronics and suitable for industrial power supplies, telecom rectifiers, and renewable energy inverters requiring stable component supply with halogen-free compliance and high-voltage transient resilience.
Supply support for P6SMB540A-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 designs and manufactures discrete semiconductors including diodes, MOSFETs, and optoelectronics, with emphasis on reliability, power handling, and automotive-grade qualification.
The P6SMB Series targets high-energy transient suppression in industrial, telecom, and automotive power systems, delivering standardized 600 W surge capability in compact SMB packages with scalable voltage coverage up to 540 V.
FAQ
What is the maximum clamping voltage of the P6SMB540A-M3/52 under a 10/1000 μs surge?
The P6SMB540A-M3/52 has a maximum clamping voltage (VC) of 740 V when subjected to its rated peak pulse current of 0.81 A under the 10/1000 μs waveform. This value is measured per Figure 1 in Vishay document 88370 and defines the upper voltage limit imposed on the protected circuit during surge events. Designers must ensure downstream components tolerate this clamped level with margin.
Is the P6SMB540A-M3/52 suitable for automotive applications?
The P6SMB540A-M3/52 itself is commercial-grade, but Vishay offers the AEC-Q101 qualified variant P6SMB540AHM3_D in the same SMB package. While P6SMB540A-M3/52 meets MSL Level 1 and halogen-free requirements, full automotive qualification requires the HM3_D suffix. For non-safety-critical 12 V or 48 V subsystems, P6SMB540A-M3/52 may be used pending validation.
What does the "M3/52" suffix indicate in P6SMB540A-M3/52?
In P6SMB540A-M3/52, "M3" denotes halogen-free, RoHS-compliant construction meeting JESD201 Class 2 whisker resistance, while "/52" specifies packaging in 7" diameter plastic tape and reel with 750 units per reel. This format enables compatibility with standard SMT pick-and-place equipment and supports high-volume manufacturing without lead-free reflow restrictions.
How does the P6SMB540A-M3/52 compare to lower-voltage P6SMB variants in thermal performance?
The P6SMB540A-M3/52 shares identical thermal characteristics with other P6SMB series devices: RθJA = 100 °C/W and RθJL = 20 °C/W. However, due to its higher VBR, it dissipates more energy during clamping (VC × IPPM ≈ 600 W), demanding strict adherence to the 0.2" × 0.2" copper pad layout per terminal to maintain rated power. Lower-voltage variants generate less heat at same IPPM.
Can the P6SMB540A-M3/52 be used in bidirectional protection schemes?
No - the P6SMB540A-M3/52 is unidirectional only, with polarity marked by a cathode band. For bidirectional protection, Vishay specifies the P6SMB540CA variant, which has symmetrical breakdown and clamping in both directions. Using P6SMB540A-M3/52 in reverse-biased AC applications risks permanent forward conduction and failure.
P6SMB540A-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):
- 459V
- Voltage - Breakdown (Min):
- 513V
- Voltage - Clamping (Max) @ Ipp:
- 740V
- Current - Peak Pulse (10/1000µs):
- 810mA
- 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)
P6SMB540A-M3/52 FAQ
1.How can I place an order for P6SMB540A-M3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB540A-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 P6SMB540A-M3/52 reliable?
The price and inventory of P6SMB540A-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 P6SMB540A-M3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB540A-M3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB540A-M3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB540A-M3/52?
P6SMB540A-M3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB540A-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 P6SMB540A-M3/52?
For technical support, including P6SMB540A-M3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB540A-M3/52 requirements.
6.How does Aetrix verify that P6SMB540A-M3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB540A-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 P6SMB540A-M3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB540A-M3/52?
All P6SMB540A-M3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB540A-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 P6SMB540A-M3/52 part is unused and in its original packaging.
Return procedure for P6SMB540A-M3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB540A-M3/52 Tags
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