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Vishay General Semiconductor - Diodes Division P6SMB150CAHM3_B/H
- Part No.:
- P6SMB150CAHM3_B/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150CAHM3_B/H.pdf
- Description:
- 600W,150V 5%,BIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:3,051
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Product details
Overview
P6SMB150CAHM3_B/H from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 150 V standoff voltage (VWM), 207 V clamping voltage (VC) at 2.9 A peak pulse current (IPPM), and 600 W peak pulse power (10/1000 μs). It protects signal lines and power rails in automotive sensor units and industrial control interfaces against ESD and inductive switching transients.
For engineers reviewing the P6SMB150CAHM3_B/H datasheet, P6SMB150CAHM3_B/H pinout, P6SMB150CAHM3_B/H application, or P6SMB150CAHM3_B/H equivalent, this device is selected for robust bidirectional surge protection where AEC-Q101 qualification, low incremental surge resistance, and stable clamping under repetitive 0.01% duty cycle pulses are required.
Technical Context
The P6SMB150CAHM3_B/H operates as a bidirectional avalanche diode with symmetrical breakdown behavior in both polarities, enabling suppression of positive and negative transients without polarity sensitivity. Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and fast response time (<1.0 ns).
Designed for surface-mount automated assembly, it uses matte tin-plated leads compliant with J-STD-002 and JESD 22-B102, and meets MSL Level 1 (260 °C peak reflow). The halogen-free, RoHS-compliant HM3 suffix confirms AEC-Q101 qualification for automotive-grade reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 150 V - Maximum continuous reverse operating voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (Breakdown Voltage) | 143–158 V at 1.0 mA - Confirmed avalanche initiation range; ensures predictable turn-on during overvoltage events. |
| VC (Clamping Voltage) | 207 V at IPPM = 2.9 A - Peak voltage seen by protected circuit during 10/1000 μs transient; determines stress on downstream components. |
| PPPM (Peak Pulse Power) | 600 W - Sustained energy-handling capability under standardized 10/1000 μs waveform; enables protection against IEC 61000-4-5 Level 4 surges. |
| ID (Reverse Leakage) | ≤1.0 μA at VWM - Minimal DC loading on signal/power lines; preserves signal integrity and reduces standby power loss. |
| TJ max. | 150 °C - Maximum junction temperature rating; supports operation in under-hood automotive and high-ambient industrial environments. |
| Package | SMB (DO-214AA) - Industry-standard 2-pin surface-mount outline with 5.59 mm × 3.94 mm footprint; compatible with standard SMT pick-and-place and reflow profiles. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Cathode/anode terminals are functionally symmetric; both leads serve as interchangeable surge-current paths.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Surge Current Input (Negative Transient Path) | Accepts reverse-polarity transient energy; forms one half of symmetrical clamping path. |
| Cathode | Surge Current Input (Positive Transient Path) | Accepts forward-polarity transient energy; completes bidirectional clamping loop with Anode. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive applications including engine control modules and ADAS sensor interfaces per stress test requirements. |
| 600 W peak pulse power (10/1000 μs) | Withstands repeated lightning-induced surges up to IEC 61000-4-5 4th-level severity without degradation. |
| Low clamping ratio (VC/VWM = 1.38) | Minimizes overvoltage overshoot during clamping, reducing risk of damage to 3.3 V/5 V logic and analog front-ends. |
| Halogen-free & RoHS-compliant | Meets EU Directive 2011/65/EU and automotive material compliance standards (e.g., GMW3172, Ford WSS-M99P9999-A1). |
| MSL Level 1 moisture sensitivity | Enables standard SMT reflow without baking; eliminates production delays and moisture-related popcorning failures. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus lines and analog sensor outputs (e.g., pressure, temperature) in engine control units exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional transient shunt placed across differential pair or single-ended signal line upstream of interface IC. Use Value: Clamps transients to ≤207 V while maintaining <1.0 μA leakage at 150 V, preserving signal fidelity and meeting AEC-Q100 Class 0 immunity requirements. |
Use Scenario: Safeguarding 24 V digital input channels in programmable logic controllers subjected to relay coil flyback and field wiring surges. IC Role / Device Role / Timing Role: Primary surge suppression element mounted directly at terminal block entry point before optocoupler or Schmitt trigger input stage. Use Value: Absorbs 600 W pulses without failure, enabling reliable operation in factory-floor environments with frequent inductive switching noise. |
| Telecom Line Interface | Consumer Power Adapter EMI Filtering |
Use Scenario: Shielding Ethernet PHY or RS-485 transceivers in network switches from induced lightning surges on unshielded cabling. IC Role / Device Role / Timing Role: Secondary protection device placed after gas discharge tube (GDT) in cascaded TVS architecture. Use Value: Provides low-clamp secondary stage with sub-nanosecond response, limiting residual voltage to safe levels for 3.3 V transceiver ICs. |
Use Scenario: Suppressing fast-rising switch-mode power supply (SMPS) noise and ESD on 12 V/19 V DC output rails of laptop adapters. IC Role / Device Role / Timing Role: Final-stage transient suppressor located adjacent to connector output pins to prevent conducted EMI propagation. Use Value: Delivers 600 W pulse handling in compact SMB footprint, eliminating need for larger DO-214AB packages while maintaining thermal derating margin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150CA | Same VWM (150 V) and VC (207 V), but lower PPPM (400 W); SMA package (smaller footprint, higher RθJA = 140 °C/W). | Less suitable for repetitive surge environments; limited thermal margin in enclosed enclosures above 70 °C ambient. | Select when board space is constrained and surge duty cycle is <0.001%; verify thermal performance with layout simulation. |
| 1.5KE150CA | Higher PPPM (1500 W), axial-leaded DO-15 package; VWM = 150 V, VC = 219 V; not surface-mount. | Requires through-hole assembly and manual soldering; incompatible with automated SMT lines and high-density PCBs. | Choose only for legacy through-hole designs or prototyping where reflow compatibility is not required. |
Compared with SMAJ150CA and 1.5KE150CA, the P6SMB150CAHM3_B/H uniquely combines AEC-Q101 qualification, 600 W SMT-rated surge capacity, and SMB footprint-making it the preferred choice for automotive and industrial volume production where reliability, automation, and thermal performance are jointly critical.
Availability
P6SMB150CAHM3_B/H is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, telecom line protection circuits, and consumer power adapter designs requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for P6SMB150CAHM3_B/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, MOSFETs, optoelectronics, and passive components with emphasis on high-reliability and automotive-grade solutions.
The P6SMB Series is part of Vishay's TRANSZORB® TVS portfolio, engineered specifically for robust transient suppression in harsh environments-including under-hood automotive, factory automation, and outdoor telecom infrastructure.
FAQ
What does the "HM3_B/H" suffix indicate in P6SMB150CAHM3_B/H?
The "HM3" suffix denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification; "B" indicates the revision level for devices rated 6.8 V to 220 V; "H" specifies 7″ tape-and-reel packaging (750 units per reel). This full suffix confirms automotive-grade reliability, environmental compliance, and SMT-ready delivery format for the P6SMB150CAHM3_B/H.
Is P6SMB150CAHM3_B/H unidirectional or bidirectional?
P6SMB150CAHM3_B/H is a bidirectional TVS diode, as confirmed by the "CA" designation in its part number and explicit documentation stating "Electrical characteristics apply in both directions." It provides symmetrical clamping for positive and negative transients without requiring polarity-aware placement on PCBs.
What is the maximum clamping voltage of P6SMB150CAHM3_B/H and at what current is it specified?
The maximum clamping voltage (VC) of P6SMB150CAHM3_B/H is 207 V, measured at a peak pulse current (IPPM) of 2.9 A under the standard 10/1000 μs waveform. This value is guaranteed across temperature and lifetime per Vishay's datasheet specifications and defines the worst-case overvoltage imposed on protected circuitry during surge events.
Does P6SMB150CAHM3_B/H require a heatsink for 600 W pulse handling?
No external heatsink is required for single-pulse 600 W operation, as the P6SMB150CAHM3_B/H is rated for that power level with standard 0.2″ × 0.2″ (5.0 mm × 5.0 mm) copper pads per terminal. However, for repetitive surges at 0.01% duty cycle, PCB copper area and layout must follow Vishay's recommended pad dimensions to maintain thermal limits and avoid junction temperature exceedance.
How does the AEC-Q101 qualification of P6SMB150CAHM3_B/H impact its use in automotive designs?
AEC-Q101 qualification certifies that P6SMB150CAHM3_B/H has passed accelerated stress tests-including temperature cycling, humidity bias HAST, and mechanical shock-required for discrete semiconductors in automotive applications. This allows direct use in engine control, body electronics, and ADAS systems without additional component-level qualification testing by the end customer.
P6SMB150CAHM3_B/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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 128V
- Voltage - Breakdown (Min):
- 143V
- Voltage - Clamping (Max) @ Ipp:
- 207V
- Current - Peak Pulse (10/1000µs):
- 2.9A
- 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)
P6SMB150CAHM3_B/H FAQ
1.How can I place an order for P6SMB150CAHM3_B/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150CAHM3_B/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 P6SMB150CAHM3_B/H reliable?
The price and inventory of P6SMB150CAHM3_B/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150CAHM3_B/H is usually 5 days.
3.What payment methods are accepted for P6SMB150CAHM3_B/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150CAHM3_B/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150CAHM3_B/H?
P6SMB150CAHM3_B/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150CAHM3_B/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 P6SMB150CAHM3_B/H?
For technical support, including P6SMB150CAHM3_B/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150CAHM3_B/H requirements.
6.How does Aetrix verify that P6SMB150CAHM3_B/H is sourced from the original manufacturer or authorized distributors?
All P6SMB150CAHM3_B/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 P6SMB150CAHM3_B/H meets industry standards.
7.What is the process for return or replacement of P6SMB150CAHM3_B/H?
All P6SMB150CAHM3_B/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150CAHM3_B/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 P6SMB150CAHM3_B/H part is unused and in its original packaging.
Return procedure for P6SMB150CAHM3_B/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB150CAHM3_B/H Tags
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