My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P6SMB540AHM3_D/I
- Part No.:
- P6SMB540AHM3_D/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB540AHM3_D/I.pdf
- Description:
- 600W,540V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:5,159
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMB540AHM3_D/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode designed for high-energy surge protection in power rails and interface lines. It features a 540 V breakdown voltage (VBR = 513–567 V at IT = 1.0 mA), 459 V stand-off voltage (VWM), 740 V maximum clamping voltage (VC) at 0.81 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - used to safeguard automotive power modules and industrial DC bus lines against lightning-induced transients.
For engineers reviewing the P6SMB540AHM3_D/I datasheet, P6SMB540AHM3_D/I pinout, P6SMB540AHM3_D/I application, or P6SMB540AHM3_D/I equivalent, this device is selected for high-voltage DC systems requiring AEC-Q101-qualified transient suppression, low incremental surge resistance, and MSL Level 1 reflow compatibility up to 260 °C.
Technical Context
This TVS operates as a unidirectional clamping device with cathode-banded polarity, leveraging a glass-passivated silicon junction for stable avalanche behavior under repetitive 10/1000 µs surges at 0.01% duty cycle. Its thermal resistance (RθJA = 100 °C/W) and junction temperature limit (TJ = –65 to +150 °C) support operation on standard 0.2" × 0.2" copper pads without forced cooling.
The device delivers fast response time (<1 ns), low clamping ratio (VC/VBR ≈ 1.39), and meets JESD201 Class 2 whisker resistance. Its halogen-free, RoHS-compliant construction (HM3 suffix) and AEC-Q101 qualification (D-suffix variant) target automotive-grade reliability in under-hood and battery-management applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 513–567 V at 1.0 mA test current - defines precise avalanche onset threshold for predictable clamping initiation |
| Stand-off Voltage VWM | 459 V - maximum continuous reverse working voltage before leakage exceeds 1.0 µA, ensuring no false triggering |
| Clamping Voltage VC | 740 V at 0.81 A IPPM - limits downstream voltage during surge, protecting 600 V-rated MOSFETs and gate drivers |
| Peak Pulse Power PPPM | 600 W with 10/1000 µs waveform - sustains single high-energy transients common in ISO 7637-2 automotive load-dump simulations |
| Operating Temperature | –65 °C to +150 °C - supports under-hood automotive environments and industrial power converters with wide ambient swings |
| Package | SMB (DO-214AA) - surface-mount footprint compatible with automated placement, 0.220" × 0.130" body size, matte tin-plated leads |
| AEC-Q101 Qualified | Yes (HM3_D suffix) - validated for automotive electronics per stress-test requirements including temperature cycling and HTRB |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case with UL 94 V-0 flammability rating; cathode indicated by band on one end; terminals are matte tin-plated and solderable per J-STD-002/JESD22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward conduction | Connected to system ground or low-side reference; enables unidirectional clamping from protected line to GND |
| Cathode | Current exit terminal during reverse avalanche | Banded end connected to protected line (e.g., 48 V DC bus); absorbs surge energy by shunting to ground |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Withstands ISO 7637-2 Pulse 5a load-dump events in 48 V automotive systems without degradation |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin for sensitive gate drivers |
| Glass passivated chip junction | Ensures long-term stability of VBR and leakage under thermal cycling and humidity exposure |
| MSL Level 1, 260 °C peak reflow | Compatible with standard lead-free SMT assembly processes without pre-baking or special handling |
| AEC-Q101 qualified (HM3_D) | Validated for automotive use including HTGB, TC, and HTRB testing - suitable for ASIL-B supporting functions |
Applications
| Automotive Battery Management System (BMS) | Industrial 48 V DC Power Distribution |
|---|---|
Use Scenario: Protection of cell monitor ICs and isolation amplifiers against load-dump transients on 48 V battery rails. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between battery+ and ground, triggered within <1 ns to limit voltage to ≤740 V. Use Value: Prevents latch-up or permanent damage to ±5 V analog front-ends and SPI isolators during 120 V/100 ms load-dump events. |
Use Scenario: Surge suppression on output of telecom rectifier modules feeding 48 V backplane infrastructure. IC Role / Device Role / Timing Role: Standoff-rated TVS absorbing lightning-induced surges on DC distribution lines before reaching downstream DC-DC converters. Use Value: Maintains system uptime by limiting transient overvoltage to safe levels for 600 V rated SiC MOSFETs and gate drivers. |
| EV Onboard Charger (OBC) Input Stage | Railway Signaling Power Interface |
Use Scenario: Input-stage protection for AC/DC PFC stages subjected to grid-switching transients and capacitor bank switching spikes. IC Role / Device Role / Timing Role: High-VWM TVS placed across bulk capacitor input to clamp surges exceeding 459 V before they reach boost diodes and controllers. Use Value: Extends lifetime of 650 V GaN HEMTs by reducing voltage stress during repetitive 10/1000 µs line surges. |
Use Scenario: Protection of 72 V DC signaling interfaces in railway control cabinets exposed to traction return current transients. IC Role / Device Role / Timing Role: Unidirectional suppressor mounted on signal input lines to PLC I/O modules, referenced to chassis ground. Use Value: Eliminates false tripping of safety relays caused by >1 kV fast transients coupled via shared rail 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 |
|---|---|---|---|
| SMAJ540A-E3/5B | Same VBR range (513–567 V), but lower PPPM (400 W), SMA package (smaller thermal mass), non-AEC-Q101 | Limited to commercial-grade 48 V systems without automotive qualification requirements | Select when cost and board space are prioritized over automotive reliability and 600 W surge margin |
| 1.5SMC540AHE3_A/H | Same electrical specs, but SMC (DO-214AB) package - larger footprint (0.275" × 0.165"), higher thermal mass, same AEC-Q101 (HE3) | Better thermal dissipation for high-repetition-rate surges; requires larger PCB pad area | Select when sustained surge duty cycles exceed 0.01% or board layout allows larger footprint for improved reliability margin |
Compared with SMAJ540A-E3/5B, P6SMB540AHM3_D/I provides 50% higher surge power handling and automotive qualification; compared with 1.5SMC540AHE3_A/H, it offers identical protection performance in a 25% smaller SMB footprint - ideal where space-constrained automotive modules demand AEC-Q101 compliance without SMC-level thermal overhead.
Availability
P6SMB540AHM3_D/I is available at Aetrix Electronics and suitable for automotive battery management, industrial 48 V DC distribution, and EV onboard charger designs requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for P6SMB540AHM3_D/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, precision, and automotive-grade validation.
The P6SMB Series targets high-voltage transient suppression in automotive and industrial power systems, engineered specifically for AEC-Q101 compliance, robust surge handling, and surface-mount manufacturability.
FAQ
What is the maximum clamping voltage of the P6SMB540AHM3_D/I under specified surge conditions?
The P6SMB540AHM3_D/I has a maximum clamping voltage (VC) of 740 V at 0.81 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured per JEDEC standards and ensures downstream components rated for ≤750 V withstand transient events without overstress. The clamping occurs rapidly (<1 ns), making P6SMB540AHM3_D/I suitable for protecting high-voltage gate drivers and sensing circuits in automotive and industrial applications.
Is the P6SMB540AHM3_D/I AEC-Q101 qualified, and what does the 'D' suffix indicate?
Yes, the P6SMB540AHM3_D/I is AEC-Q101 qualified - confirmed by Vishay's ordering information noting "_D is available for P6SMB250A to P6SMB540A, AEC-Q101 qualified". The 'D' suffix denotes the AEC-Q101 qualification grade within the HM3 halogen-free, RoHS-compliant family. This qualification covers stress tests including high-temperature reverse bias (HTRB), temperature cycling (TC), and highly accelerated life testing (HALT), validating P6SMB540AHM3_D/I for automotive under-hood and powertrain applications.
What is the standoff voltage (VWM) of the P6SMB540AHM3_D/I, and why is it important for system design?
The standoff voltage (VWM) of the P6SMB540AHM3_D/I is 459 V - the maximum continuous reverse voltage it can block without exceeding 1.0 µA leakage current. This parameter ensures the device remains non-conductive during normal operation of a 48 V or 72 V DC system, preventing power loss or false triggering. Selecting a VWM ≥110% of nominal bus voltage avoids nuisance conduction while maintaining sufficient margin below VBR, a critical design rule implemented in P6SMB540AHM3_D/I for reliable long-term operation.
Can the P6SMB540AHM3_D/I be used in bidirectional configurations?
No, the P6SMB540AHM3_D/I is a unidirectional TVS diode, as indicated by its part number suffix 'A' (not 'CA') and cathode band marking. Bidirectional variants in the P6SMB series use the 'CA' suffix (e.g., P6SMB540CA) and lack polarity marking. Using P6SMB540AHM3_D/I in bidirectional applications would result in forward conduction during negative transients, potentially causing failure. For symmetrical surge protection, select a verified bidirectional part - P6SMB540AHM3_D/I must be oriented with cathode toward the protected line and anode to ground.
What package type does the P6SMB540AHM3_D/I use, and how does it impact PCB layout?
The P6SMB540AHM3_D/I uses the SMB (DO-214AA) package: 0.220" × 0.130" body size with 0.060" minimum pad width and 0.086" minimum pad length per Vishay's recommended mounting layout. This compact SMD footprint supports high-density automotive and industrial PCBs and is compatible with standard pick-and-place equipment. Thermal performance relies on adhering to the 0.2" × 0.2" copper pad recommendation per terminal - deviating reduces surge capability and risks thermal runaway during repetitive events. The SMB package of P6SMB540AHM3_D/I balances space efficiency with proven 600 W surge handling.
P6SMB540AHM3_D/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:
- 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/I FAQ
1.How can I place an order for P6SMB540AHM3_D/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB540AHM3_D/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 P6SMB540AHM3_D/I reliable?
The price and inventory of P6SMB540AHM3_D/I 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/I is usually 5 days.
3.What payment methods are accepted for P6SMB540AHM3_D/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB540AHM3_D/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB540AHM3_D/I?
P6SMB540AHM3_D/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB540AHM3_D/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 P6SMB540AHM3_D/I?
For technical support, including P6SMB540AHM3_D/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB540AHM3_D/I requirements.
6.How does Aetrix verify that P6SMB540AHM3_D/I is sourced from the original manufacturer or authorized distributors?
All P6SMB540AHM3_D/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 P6SMB540AHM3_D/I meets industry standards.
7.What is the process for return or replacement of P6SMB540AHM3_D/I?
All P6SMB540AHM3_D/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB540AHM3_D/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 P6SMB540AHM3_D/I part is unused and in its original packaging.
Return procedure for P6SMB540AHM3_D/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB540AHM3_D/I Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
