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Vishay General Semiconductor - Diodes Division P6SMB540A01HM3_A/I
- Part No.:
- P6SMB540A01HM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB540A01HM3_A/I.pdf
- Description:
- TVS DIODE 459VWM 740VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,127
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Product details
Overview
P6SMB540A01HM3_A/I 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 power rails and industrial sensor interfaces against ESD and lightning-induced transients.
For engineers reviewing the P6SMB540A01HM3_A/I datasheet, P6SMB540A01HM3_A/I pinout, P6SMB540A01HM3_A/I application, or P6SMB540A01HM3_A/I equivalent, this part delivers precise clamping at 740 V (VC) under full-rated surge, supports AEC-Q101 qualification for automotive-grade reliability, and features halogen-free, RoHS-compliant construction with MSL Level 1 moisture sensitivity.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, optimized for high-voltage transient suppression in DC systems where stand-off voltage exceeds 450 V. Its glass-passivated junction ensures stable leakage performance and fast response (<1 ns) to voltage spikes.
Designed for automated SMT placement on standard PCB pads (0.2" × 0.2" copper), it delivers 740 V clamping voltage at 0.81 A IPPM, with thermal resistance RθJA = 100 °C/W and maximum junction temperature of +150 °C. The HM3 suffix confirms halogen-free, RoHS-compliant, and AEC-Q101 qualified construction per ordering code P6SMB540AHM3_D/I.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 513–567 V at 1.0 mA test current - defines precise clamping onset threshold for overvoltage events |
| Clamping Voltage VC | 740 V at 0.81 A IPPM (10/1000 μs) - maximum voltage seen by protected circuit during full-rated surge |
| Peak Pulse Power PPPM | 600 W - sustains single transient energy without degradation when mounted on 5.0 mm × 5.0 mm copper pads |
| Stand-off Voltage VWM | 459 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 μA |
| Leakage Current ID | <1.0 μA at 459 V - ensures minimal power loss and signal integrity in high-impedance DC bias networks |
| Junction Temperature Range | −65 °C to +150 °C - supports operation in under-hood automotive, industrial power supplies, and outdoor telecom equipment |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Cathode identified by black band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal (reverse-biased operation) | Connected to system ground or low-side reference; completes clamping path during transient |
| Cathode | Current exit terminal (reverse-biased operation) | Connected to protected line; voltage clamping occurs between cathode and anode when VAK ≥ VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control modules and battery management systems |
| Halogen-free & RoHS-compliant (HM3) | Meets environmental compliance requirements for industrial and consumer electronics without compromising surge robustness |
| 600 W peak pulse power (10/1000 μs) | Handles high-energy transients common in 400–600 V DC bus lines and photovoltaic string protection |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients, improving protection margin for downstream MOSFETs and ICs |
| MSL Level 1 (260 °C peak reflow) | Enables standard lead-free reflow assembly without pre-baking or special handling |
Applications
| Industrial HV DC Power Supply Protection | Automotive Battery Management System (BMS) Input Stage |
|---|---|
|
Use Scenario: Protects 48–600 V DC input stages of programmable logic controllers (PLCs) and motor drives from load dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed across input terminals to clamp surges before they reach upstream DC-DC converters and microcontrollers. Use Value: Limits transient voltage to ≤740 V, preventing damage to 800 V-rated silicon carbide MOSFETs and isolated gate drivers. |
Use Scenario: Shields BMS front-end analog sensing circuits and CAN transceivers from battery voltage spikes during jump-start or alternator load dump. IC Role / Device Role / Timing Role: Standoff-rated TVS connected between high-voltage battery rail and ground, activated only during >459 V overvoltage events. Use Value: Maintains <1.0 μA leakage at 459 V, avoiding measurement drift in precision shunt-based current monitoring. |
| Telecom Outdoor Power Feeding (PoE++/4PPoE) | Photovoltaic String Surge Protection |
|
Use Scenario: Safeguards 54 V–57 V PoE++ injectors and splitters against induced lightning surges on long outdoor Ethernet runs. IC Role / Device Role / Timing Role: High-VWM TVS placed at injector output to absorb common-mode transients before reaching powered devices. Use Value: Clamps to 740 V within nanoseconds, preserving IEEE 802.3bt compliance while protecting 100 V-rated Ethernet PHYs. |
Use Scenario: Installed at combiner box inputs to suppress lightning-induced surges on PV strings operating up to 1500 V DC. IC Role / Device Role / Timing Role: Unidirectional TVS used in parallel with MOV stacks to provide low-leakage, fast-response secondary clamping. Use Value: Enables reliable operation at −40 °C to +85 °C ambient with no derating up to 125 °C junction temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ540A-E3/52 | Same VBR range (513–567 V), but lower PPPM = 400 W and higher VC = 860 V; SMA package (smaller footprint, higher RθJA) | Limited to lower-energy transients; unsuitable for 600 W surge environments like industrial motor drives | Select only if board space is constrained and surge energy is confirmed ≤400 W |
| 1.5KE540A | Through-hole DO-201 package; identical VBR/VC specs but higher IPPM = 0.87 A and PPPM = 1500 W; not AEC-Q101 qualified | Better suited for prototyping or legacy through-hole designs; lacks automotive qualification and SMT compatibility | Choose for high-reliability lab testing or non-automotive high-surge applications requiring through-hole mounting |
Compared with SMAJ540A-E3/52 and 1.5KE540A, the P6SMB540A01HM3_A/I uniquely combines 600 W surge capability, AEC-Q101 qualification, halogen-free construction, and SMB package - making it optimal for volume-manufactured automotive and industrial SMT assemblies requiring long-term supply continuity and regulatory compliance.
Availability
P6SMB540A01HM3_A/I is available at Aetrix Electronics and suitable for industrial HV DC power supplies, automotive battery management systems, and telecom outdoor power feeding requiring stable component supply, AEC-Q101 validation, and halogen-free compliance.
Supply support for P6SMB540A01HM3_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, rectifiers, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets high-energy transient suppression in automotive, industrial, and telecom infrastructure, designed to replace older axial-leaded TVS families with modern SMT-compatible, AEC-Q101-qualified solutions offering tighter parametric control and enhanced surge robustness.
FAQ
What is the maximum clamping voltage of the P6SMB540A01HM3_A/I under full-rated surge conditions?
The P6SMB540A01HM3_A/I has a maximum clamping voltage (VC) of 740 V when subjected to its rated peak pulse current of 0.81 A using the standard 10/1000 μs waveform. This value is measured at TA = 25 °C with specified PCB pad layout (0.2" × 0.2" copper), and represents the highest voltage the protected circuit will experience during a full-power transient event. The P6SMB540A01HM3_A/I maintains this clamping performance across its full operating temperature range.
Is the P6SMB540A01HM3_A/I suitable for automotive applications?
Yes, the P6SMB540A01HM3_A/I is AEC-Q101 qualified, as indicated by the "HM3" and "_D/I" suffixes in its full ordering code. It meets the stress test requirements for automotive-grade transient suppressors, including temperature cycling, humidity bias, and mechanical shock. The P6SMB540A01HM3_A/I is commonly deployed in battery management systems, ADAS power domains, and body control modules where high-voltage transient immunity and long-term reliability are mandatory.
What does the "HM3" suffix mean in P6SMB540A01HM3_A/I?
The "HM3" suffix in P6SMB540A01HM3_A/I denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification. Specifically, "H" indicates halogen-free molding compound, "M3" confirms RoHS compliance and JESD201 Class 2 whisker resistance, and the "_D/I" portion identifies it as part of the AEC-Q101 qualified subset for high-voltage variants (250–540 V). This makes the P6SMB540A01HM3_A/I compliant with both environmental regulations and automotive reliability standards.
How does the P6SMB540A01HM3_A/I differ from the standard P6SMB540A variant?
The P6SMB540A01HM3_A/I differs from the base P6SMB540A by incorporating AEC-Q101 qualification, halogen-free materials, and enhanced process controls reflected in the HM3 and _D/I suffixes. While electrical parameters (VBR, VC, PPPM) remain identical, the P6SMB540A01HM3_A/I undergoes additional screening for automotive use, including extended temperature life testing and bias-HAST. The P6SMB540A01HM3_A/I is intended for mission-critical automotive and industrial applications where baseline commercial-grade parts are insufficient.
What is the thermal resistance of the P6SMB540A01HM3_A/I, and how does it affect PCB layout?
The P6SMB540A01HM3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on minimum recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This value assumes standard FR-4 PCB with no internal copper planes. To maintain safe junction temperatures below 150 °C during repetitive surge events, designers must ensure adequate copper area and avoid excessive trace length or isolation. The P6SMB540A01HM3_A/I's RθJA directly informs thermal derating curves shown in Figure 2 of its datasheet.
P6SMB540A01HM3_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):
- 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:
- 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)
P6SMB540A01HM3_A/I FAQ
1.How can I place an order for P6SMB540A01HM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB540A01HM3_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 P6SMB540A01HM3_A/I reliable?
The price and inventory of P6SMB540A01HM3_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 P6SMB540A01HM3_A/I is usually 5 days.
3.What payment methods are accepted for P6SMB540A01HM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB540A01HM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB540A01HM3_A/I?
P6SMB540A01HM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB540A01HM3_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 P6SMB540A01HM3_A/I?
For technical support, including P6SMB540A01HM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB540A01HM3_A/I requirements.
6.How does Aetrix verify that P6SMB540A01HM3_A/I is sourced from the original manufacturer or authorized distributors?
All P6SMB540A01HM3_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 P6SMB540A01HM3_A/I meets industry standards.
7.What is the process for return or replacement of P6SMB540A01HM3_A/I?
All P6SMB540A01HM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB540A01HM3_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 P6SMB540A01HM3_A/I part is unused and in its original packaging.
Return procedure for P6SMB540A01HM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB540A01HM3_A/I Tags
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