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Vishay General Semiconductor - Diodes Division P6SMB540AHM3_C/H
- Part No.:
- P6SMB540AHM3_C/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB540AHM3_C/H.pdf
- Description:
- TVS DIODE 459VWM 740VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,149
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Product details
Overview
P6SMB540AHM3_C/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 rails-such as industrial motor drives, telecom power supplies, and EV charging interfaces-against lightning-induced surges and inductive switching transients.
For engineers reviewing the P6SMB540AHM3_C/H datasheet, P6SMB540AHM3_C/H pinout, P6SMB540AHM3_C/H application, or P6SMB540AHM3_C/H equivalent, this device delivers verified clamping performance (VC = 740 V at IPPM), AEC-Q101 qualification (HM3 suffix), halogen-free RoHS compliance, and MSL Level 1 moisture sensitivity-critical for automotive-grade power rail protection and long-lifecycle industrial deployments.
Technical Context
This TVS operates as a unidirectional clamping device with cathode-band polarity marking, designed to conduct only during reverse overvoltage events above its standoff voltage (VWM = 459 V). Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and fast response time (<1.0 ns), enabling effective suppression of sub-microsecond transients.
The device is thermally characterized with RθJA = 100 °C/W (on 0.2" × 0.2" copper pads) and RθJL = 20 °C/W, supporting reliable operation up to TJ = +150 °C. Its 600 W surge rating applies under strict 0.01% duty cycle conditions per JEDEC JESD22-A114, with derating above 25 °C ambient per Figure 2.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 513 V / 567 V at IT = 1.0 mA - defines precise clamping onset threshold for high-voltage DC bus protection |
| VWM | 459 V - maximum continuous reverse operating voltage before leakage exceeds 1.0 μA |
| VC at IPPM | 740 V - clamped voltage during 600 W transient, limiting downstream stress on 800 V-rated MOSFETs or IGBTs |
| IPPM | 0.81 A - peak current capability under 10/1000 μs waveform, confirming surge handling for IEC 61000-4-5 Level 4 |
| PPPM | 600 W - standardized surge power rating enabling direct comparison with competing high-voltage TVS devices |
| TJ max. | +150 °C - junction temperature limit allowing use in enclosed power converters without forced cooling |
| Package | SMB (DO-214AA) - industry-standard surface-mount outline with 5.59 mm × 4.06 mm footprint and 2.20 mm height |
Pinout & Package
SMB (DO-214AA) package: molded plastic case with matte tin-plated leads, UL 94 V-0 flammability rating, and cathode band marking for unidirectional polarity. Mounting requires 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal per datasheet thermal spec.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction path (low-side reference) | Connected to system ground or low-voltage return; enables unidirectional clamping from cathode to anode |
| Cathode | Reverse-biased surge input node | Connected to protected high-voltage line (e.g., 400–600 V DC bus); conducts during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive power electronics including onboard chargers and DC-DC converters |
| Halogen-free & RoHS-compliant | Meets environmental requirements for industrial and consumer equipment sold in EU, China, and North America |
| 600 W peak pulse power (10/1000 μs) | Supports IEC 61000-4-5 surge immunity testing up to Level 4 (4 kV line-to-earth) |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients, improving protection margin for sensitive gate drivers |
| MSL Level 1 (260 °C peak reflow) | Enables standard SMT assembly without pre-baking, reducing manufacturing complexity and cost |
Applications
| Industrial Motor Drives | Telecom Power Supplies |
|---|---|
Use Scenario: Protection of 480–600 V DC link capacitors and IGBT gate drivers against inductive kickback from contactor switching and regenerative braking. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed across DC bus terminals to limit transient voltage spikes to ≤740 V. Use Value: Prevents destructive overvoltage failure of 800 V-class IGBTs and maintains system uptime in factory automation systems. |
Use Scenario: Surge suppression on -48 V or +54 V telecom rectifier outputs exposed to lightning-induced surges on central office distribution lines. IC Role / Device Role / Timing Role: High-voltage standoff TVS connected between output rail and chassis ground to clamp common-mode transients. Use Value: Ensures uninterrupted operation of base station control boards by limiting clamped voltage below 740 V during 6 kV IEC 61000-4-5 tests. |
| EV Onboard Chargers (OBC) | Renewable Energy Inverters |
Use Scenario: Input-stage protection for 400–800 V battery-side DC/DC converters subjected to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS mounted at OBC AC/DC front-end to suppress differential-mode surges before isolation barrier. Use Value: Maintains AEC-Q101 compliance and extends field lifetime by absorbing repetitive 600 W transients without parameter drift. |
Use Scenario: DC-link protection in solar string inverters where PV arrays generate high-voltage transients during rapid cloud cover transitions or arc faults. IC Role / Device Role / Timing Role: Standoff-rated TVS placed across 600–1000 V DC bus to clamp voltage excursions during grid fault recovery. Use Value: Enables compliance with UL 1741 SA anti-islanding and IEEE 1547-2018 surge immunity requirements. |
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-E3/5B | Same VBR range (513–567 V), but lower PPPM = 400 W and higher VC = 871 V at IPPM; SMA package (smaller footprint, higher RθJA = 140 °C/W) | Limited to lower-energy transients; unsuitable for IEC 61000-4-5 Level 4; preferred where board space is constrained and surge energy <400 W | Select SMAJ540A-E3/5B only when PCB area is critical and peak surge energy remains below 400 W. |
| SMCJ540A-M3/5B | Higher PPPM = 1500 W, same VBR, lower VC = 730 V; larger SMC (DO-214AB) package with improved thermal dissipation (RθJA = 50 °C/W) | Supports higher-repetition surges and longer-duration transients; used in mission-critical infrastructure where 600 W is insufficient | Choose SMCJ540A-M3/5B when system-level surge testing exceeds 600 W or when extended thermal margin is required. |
Compared with SMAJ540A-E3/5B and SMCJ540A-M3/5B, P6SMB540AHM3_C/H provides optimal balance of 600 W surge capacity, AEC-Q101 qualification, and SMB footprint-making it ideal for space-constrained automotive and industrial designs requiring validated reliability without over-engineering.
Availability
P6SMB540AHM3_C/H is available at Aetrix Electronics and suitable for industrial motor drives, EV onboard chargers, telecom power supplies, and renewable energy inverters requiring stable component supply, AEC-Q101 validation, and halogen-free compliance.
Supply support for P6SMB540AHM3_C/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 diodes, rectifiers, TVS, MOSFETs, and optoelectronics with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets high-energy transient suppression in compact surface-mount formats, engineered specifically for automotive, industrial, and telecom applications demanding robust, standardized, and AEC-Q101-qualified protection devices.
FAQ
What is the standoff voltage (VWM) of the P6SMB540AHM3_C/H?
The P6SMB540AHM3_C/H has a maximum reverse standoff voltage VWM of 459 V, meaning it remains non-conductive and exhibits ≤1.0 μA leakage current up to this DC or RMS voltage level. This value ensures compatibility with 400–480 V nominal DC systems while maintaining sufficient margin below the 513 V minimum breakdown threshold. The P6SMB540AHM3_C/H must not be operated continuously above 459 V to avoid accelerated degradation.
Is the P6SMB540AHM3_C/H AEC-Q101 qualified?
Yes, the P6SMB540AHM3_C/H is AEC-Q101 qualified, as confirmed by the "HM3" suffix in its ordering code-indicating halogen-free, RoHS-compliant construction with full automotive-grade stress testing. This qualification covers temperature cycling, humidity bias, ESD, and surge endurance, making the P6SMB540AHM3_C/H suitable for under-hood and powertrain applications including EV onboard chargers and DC-DC converters.
What is the clamping voltage (VC) of the P6SMB540AHM3_C/H at its rated peak pulse current?
The P6SMB540AHM3_C/H clamps to a maximum of 740 V when subjected to its rated peak pulse current of 0.81 A (corresponding to 600 W with a 10/1000 μs waveform). This clamping voltage is measured under standardized test conditions (TA = 25 °C, specified mounting pad layout) and defines the upper voltage limit imposed on protected circuitry during surge events. Designers must ensure downstream components tolerate ≤740 V transient exposure.
Does the P6SMB540AHM3_C/H have bidirectional capability?
No, the P6SMB540AHM3_C/H is a unidirectional TVS diode, as indicated by the absence of "CA" in its part number and presence of cathode band marking. It conducts only during reverse-biased overvoltage events (anode grounded, cathode connected to protected line). For bidirectional protection at similar voltage ratings, Vishay offers the P6SMB540CHM3_C/H variant, which lacks polarity marking and suppresses transients in both directions.
What is the thermal resistance (RθJA) of the P6SMB540AHM3_C/H under standard mounting conditions?
The P6SMB540AHM3_C/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, per the datasheet's recommended layout. This value assumes still air and no additional heatsinking. Designers using the P6SMB540AHM3_C/H in high-temperature environments must apply derating curves from Figure 2 to maintain TJ ≤ +150 °C under sustained power dissipation.
P6SMB540AHM3_C/H 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):
- 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:
- -
- 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_C/H FAQ
1.How can I place an order for P6SMB540AHM3_C/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB540AHM3_C/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_C/H reliable?
The price and inventory of P6SMB540AHM3_C/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_C/H is usually 5 days.
3.What payment methods are accepted for P6SMB540AHM3_C/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB540AHM3_C/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB540AHM3_C/H?
P6SMB540AHM3_C/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB540AHM3_C/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_C/H?
For technical support, including P6SMB540AHM3_C/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB540AHM3_C/H requirements.
6.How does Aetrix verify that P6SMB540AHM3_C/H is sourced from the original manufacturer or authorized distributors?
All P6SMB540AHM3_C/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_C/H meets industry standards.
7.What is the process for return or replacement of P6SMB540AHM3_C/H?
All P6SMB540AHM3_C/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB540AHM3_C/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_C/H part is unused and in its original packaging.
Return procedure for P6SMB540AHM3_C/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB540AHM3_C/H Tags
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