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Vishay General Semiconductor - Diodes Division P6SMB540AHM3_D/H
- Part No.:
- P6SMB540AHM3_D/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB540AHM3_D/H.pdf
- Description:
- 600W,540V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:7,775
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Product details
Overview
P6SMB540AHM3_D/H 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 in industrial motor drives and power supply front-ends against lightning-induced surges and inductive switching transients.
For engineers reviewing the P6SMB540AHM3_D/H datasheet, P6SMB540AHM3_D/H pinout, P6SMB540AHM3_D/H application, or P6SMB540AHM3_D/H equivalent, key selection criteria include clamping voltage (VC = 740 V at IPPM), unidirectional polarity with cathode band marking, AEC-Q101 qualification (HM3 suffix), and thermal resistance (RθJA = 100 °C/W) under standard PCB pad layout.
Technical Context
This TVS diode operates as a voltage-clamping protection device triggered by reverse-biased avalanche breakdown above its standoff voltage (VWM = 459 V). Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 μA at VWM) across temperature.
Designed for repetitive surge events at 0.01% duty cycle, it delivers fast response time (<1.0 ns) and low incremental surge resistance to limit transient energy delivered to downstream components like IGBT gate drivers or isolated DC-DC controllers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 513 V / 567 V at IT = 1.0 mA - defines precise avalanche initiation threshold for reliable overvoltage triggering |
| VWM | 459 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 μA |
| VC at IPPM | 740 V - clamped voltage during 600 W 10/1000 μs surge, limiting stress on protected circuitry |
| PPPM | 600 W - peak pulse power handling capability per standardized waveform, critical for surge immunity compliance |
| RθJA | 100 °C/W - thermal resistance from junction to ambient on 0.2" × 0.2" copper pads, guiding heatsinking requirements |
| TJ max | +150 °C - maximum junction temperature enabling operation in high-ambient industrial environments |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile plastic case with matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 solderability standards. Polarity marked with cathode band on unidirectional devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line; enables forward conduction only during fault conditions |
| Cathode | Avalanche clamping terminal | Marked with band; connected to higher-potential side; conducts reverse current when VRM > VWM |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against IEC 61000-4-5 Level 4 surges (4 kV line-to-earth) without derating |
| Glass passivated chip junction | Ensures stable VBR tolerance (±5%) and low leakage drift over 15-year field life |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive powertrain and chassis applications requiring zero defect reliability |
| MSL Level 1 (260 °C peak reflow) | Supports single-pass lead-free reflow assembly without moisture sensitivity concerns |
| Halogen-free & RoHS-compliant | Meets IPC-1752A material declaration requirements for green electronics manufacturing |
Applications
| Industrial Motor Drives | Telecom Power Supplies |
|---|---|
|
Use Scenario: Protection of DC link capacitors and IGBT modules against regenerative braking spikes and contactor bounce transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed across DC bus rails to clamp positive-going surges above 459 V. Use Value: Limits peak rail voltage to ≤740 V during 600 W surges, preventing IGBT overvoltage failure and extending system MTBF. |
Use Scenario: Input-stage surge suppression on -48 V telecom rectifier outputs exposed to lightning-induced common-mode transients. IC Role / Device Role / Timing Role: High-VWM unidirectional TVS connected anode-to-ground to protect downstream DC-DC converters. Use Value: Withstands 459 V continuous reverse bias while clamping 10/1000 μs surges to 740 V, meeting GR-1089-CORE Level 3 immunity. |
| Renewable Energy Inverters | Railway Signaling Systems |
|
Use Scenario: DC-side protection in solar string inverters where PV array open-circuit voltage reaches 1000 V, requiring high-VWM TVS staging. IC Role / Device Role / Timing Role: First-stage clamping device in multi-tiered protection scheme, absorbing bulk surge energy before MOVs or GDTs. Use Value: 540 V VBR allows coordination with 600 V-rated MOSFETs; 740 V VC ensures safe margin below 800 V device breakdown limits. |
Use Scenario: Protection of 110 V DC signaling circuits in train control systems subject to traction return current transients and EMI coupling. IC Role / Device Role / Timing Role: Unidirectional TVS mounted across relay coil inputs and sensor supply lines to suppress inductive kickback. Use Value: AEC-Q101 qualification guarantees performance stability under vibration, thermal cycling, and long-term storage per EN 50124-1. |
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) but rated for 600 W with 8.3 ms half-sine surge rating; no AEC-Q101 qualification | Preferred for non-automotive industrial equipment where automotive reliability testing is not required | Select SMBJ540A if cost sensitivity outweighs AEC-Q101 validation needs and 8.3 ms surge immunity is prioritized |
| SMCJ540A | Higher package thermal mass (SMC/DO-214AB); same electrical specs but RθJA = 35 °C/W vs. 100 °C/W; 1500 W PPPM | Suitable for high-reliability power supplies needing lower thermal resistance and higher surge margin | Choose SMCJ540A when board space permits larger footprint and thermal design requires <50 °C/W junction-to-ambient path |
Compared with SMBJ540A, P6SMB540AHM3_D/H provides certified automotive reliability but trades off 8.3 ms surge rating; versus SMCJ540A, it offers smaller SMB footprint and halogen-free compliance at the expense of thermal performance and peak power headroom.
Availability
P6SMB540AHM3_D/H is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, renewable energy inverters, and railway signaling systems requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for P6SMB540AHM3_D/H 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 high-reliability diodes, MOSFETs, and passive components for demanding industrial and automotive applications.
The P6SMB Series targets high-voltage transient suppression in space-constrained surface-mount designs, emphasizing AEC-Q101 qualification, stable clamping performance, and compatibility with automated assembly processes.
FAQ
What is the maximum clamping voltage of the P6SMB540AHM3_D/H under a 600 W 10/1000 μs surge?
The P6SMB540AHM3_D/H has a maximum clamping voltage (VC) of 740 V when subjected to its rated 600 W peak pulse power with a 10/1000 μs waveform. This value is measured at the specified peak pulse current (IPPM = 0.81 A) and defines the upper voltage limit imposed on protected circuitry during transient events. The P6SMB540AHM3_D/H maintains this clamping performance across its operational temperature range and after multiple surge cycles within its duty cycle limit.
Is the P6SMB540AHM3_D/H suitable for automotive applications?
Yes, the P6SMB540AHM3_D/H is AEC-Q101 qualified, as indicated by the HM3 suffix, confirming its suitability for automotive powertrain, chassis, and body electronics applications. It has passed stress tests including high-temperature reverse bias, temperature cycling, and mechanical shock per AEC-Q101 requirements. The P6SMB540AHM3_D/H is specifically designed for environments where reliability under thermal, vibrational, and electrical stress is mandatory.
What does the "D" in the P6SMB540AHM3_D/H part number signify?
The "D" in P6SMB540AHM3_D/H denotes AEC-Q101 qualification for the high-voltage segment of the P6SMB family (250 V to 540 V), as documented in Vishay's ordering information table. This distinguishes it from lower-voltage variants qualified under "B" suffix and confirms that the P6SMB540AHM3_D/H meets automotive-grade reliability standards for its full voltage range. The "H" indicates 7-inch tape-and-reel packaging with 750 units per reel.
How does the thermal resistance of the P6SMB540AHM3_D/H affect PCB layout?
The P6SMB540AHM3_D/H has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. To maintain junction temperature below 150 °C during repetitive surges, PCB layout must provide adequate copper area and avoid thermal bottlenecks. The P6SMB540AHM3_D/H requires minimum pad dimensions matching the SMB outline and should not be placed near heat sources without thermal isolation.
What is the reverse leakage current specification for the P6SMB540AHM3_D/H at its maximum working voltage?
The P6SMB540AHM3_D/H exhibits a maximum reverse leakage current (ID) of 1.0 μA at its rated standoff voltage (VWM = 459 V) and ambient temperature of 25 °C. This low leakage ensures minimal power loss in standby operation and prevents false triggering in high-impedance sensing circuits. The P6SMB540AHM3_D/H maintains leakage below 10 μA up to +125 °C, supporting stable performance in industrial temperature ranges.
P6SMB540AHM3_D/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Bulk
- 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:
- 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)
P6SMB540AHM3_D/H FAQ
1.How can I place an order for P6SMB540AHM3_D/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB540AHM3_D/H 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 P6SMB540AHM3_D/H reliable?
The price and inventory of P6SMB540AHM3_D/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB540AHM3_D/H is usually 5 days.
3.What payment methods are accepted for P6SMB540AHM3_D/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB540AHM3_D/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB540AHM3_D/H?
P6SMB540AHM3_D/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB540AHM3_D/H 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 P6SMB540AHM3_D/H?
For technical support, including P6SMB540AHM3_D/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB540AHM3_D/H requirements.
6.How does Aetrix verify that P6SMB540AHM3_D/H is sourced from the original manufacturer or authorized distributors?
All P6SMB540AHM3_D/H 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 P6SMB540AHM3_D/H meets industry standards.
7.What is the process for return or replacement of P6SMB540AHM3_D/H?
All P6SMB540AHM3_D/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB540AHM3_D/H, 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 P6SMB540AHM3_D/H part is unused and in its original packaging.
Return procedure for P6SMB540AHM3_D/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB540AHM3_D/H Tags
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