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Vishay General Semiconductor - Diodes Division P6SMB150CAHE3/52
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- Part No.:
- P6SMB150CAHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150CAHE3/52.pdf
- Description:
- TVS DIODE 128VWM 207VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,294
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Product details
Overview
P6SMB150CAHE3/52 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the P6SMB series, designed for clamping voltage transients on signal or power lines. It features a 150 V standoff voltage (VWM), 207 V maximum clamping voltage (VC) at 2.9 A peak pulse current (IPPM), and 600 W peak pulse power capability with a 10/1000 μs waveform - deployed in automotive-grade AEC-Q101-qualified designs for sensor interface protection.
For engineers reviewing the P6SMB150CAHE3/52 datasheet, P6SMB150CAHE3/52 pinout, P6SMB150CAHE3/52 application, or P6SMB150CAHE3/52 equivalent, this device is selected for robust ESD and surge immunity in bidirectional signal paths where low clamping ratio, fast response (<1 ns), and MSL Level 1 reflow compatibility are required.
Technical Context
The P6SMB150CAHE3/52 operates as a symmetrical avalanche diode, conducting equally in both directions when reverse voltage exceeds its breakdown threshold of 143–158 V (VBR at 1 mA). Its glass-passivated junction ensures stable leakage performance and long-term reliability under repetitive transient stress.
Thermally, it exhibits RθJA = 100 °C/W and RθJL = 20 °C/W, enabling effective heat dissipation when mounted on 5.0 mm × 5.0 mm copper pads per terminal. The device is rated for TJ = –65 to +150 °C and meets J-STD-020 MSL Level 1 with 260 °C peak reflow profile.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 128 V - Maximum continuous reverse operating voltage before clamping begins; defines safe working margin below breakdown. |
| VBR (Breakdown) | 143–158 V at 1 mA - Confirmed avalanche initiation range; ensures predictable turn-on during overvoltage events. |
| VC (Clamping) | 207 V at IPPM = 2.9 A - Peak voltage seen by protected circuit during 10/1000 μs surge; determines downstream component stress. |
| PPPM | 600 W - Surge energy handling capacity with standard 10/1000 μs waveform; supports IEC 61000-4-5 Level 4 compliance. |
| ID (Leakage) | 1.0 μA max at VWM - Ultra-low reverse leakage preserves signal integrity and minimizes standby power loss. |
| Package | SMB (DO-214AA) - Low-profile SMD package (4.57 mm × 3.94 mm × 2.20 mm) optimized for automated placement and board space efficiency. |
| AEC-Q101 | Qualified - Validated for automotive applications including engine control, ADAS sensors, and infotainment interfaces. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Cathode/anode terminals are symmetrical; both leads serve as interchangeable connection points for AC-coupled or differential signal lines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient conduction path (bidirectional) | Acts as cathode during positive half-cycle; enables symmetrical clamping without orientation dependency. |
| Cathode | Transient conduction path (bidirectional) | Acts as anode during negative half-cycle; eliminates need for directional PCB layout or silkscreen marking. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC signals, differential buses (e.g., RS-485, CAN), and ungrounded sensor outputs without polarity constraints. |
| 600 W peak pulse power | Withstands IEC 61000-4-5 4th-level surges (4 kV line-to-line, 2 kV line-to-ground) on properly laid out PCBs with recommended 5 mm² copper pads. |
| MSL Level 1 rating | Supports lead-free reflow up to 260 °C peak without preconditioning; eliminates moisture sensitivity handling requirements in production. |
| AEC-Q101 qualification | Validated for automotive temperature cycling, HTRB, and surge endurance - suitable for under-hood and cabin electronics. |
| Glass passivated junction | Ensures stable VBR and low ID over lifetime; prevents parameter drift due to humidity or thermal aging in harsh environments. |
Applications
| Automotive Sensor Protection | Industrial RS-485 Interface |
|---|---|
|
Use Scenario: Protecting analog output lines of pressure, temperature, or position sensors in engine control modules exposed to load dump and inductive switching noise. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector entry point to shunt transients before reaching ADC input or signal conditioning IC. Use Value: Limits induced voltage spikes to ≤207 V, preventing latch-up or damage to 3.3 V/5 V sensor signal chains while maintaining <1 μA leakage at 128 V DC bias. |
Use Scenario: Safeguarding half-duplex RS-485 transceivers in factory automation PLCs subjected to lightning-induced ground potential differences. IC Role / Device Role / Timing Role: Placed across A/B differential pair to suppress common-mode surges without distorting data integrity during 10 Mbps operation. Use Value: Clamps 10/1000 μs surges to 207 V within nanoseconds, preserving signal eye diagram and meeting IEC 61000-4-4 Level 3 immunity requirements. |
| Telecom Line Card Surge Protection | Consumer USB Port ESD Hardening |
|
Use Scenario: Front-end protection of DSL or PoE-powered Ethernet line cards against induced surges from nearby AC wiring or lightning coupling. IC Role / Device Role / Timing Role: Installed between transformer secondary and PHY IC to absorb longitudinal mode transients on twisted-pair inputs. Use Value: Delivers 600 W pulse handling with 207 V clamping, reducing risk of PHY IC failure while supporting >100,000 surge cycles per MIL-STD-883H Method 3015.7. |
Use Scenario: Enhancing ESD robustness of USB 2.0 data lines (D+/D−) in portable media players subjected to ±15 kV contact discharge per IEC 61000-4-2. IC Role / Device Role / Timing Role: Bidirectional TVS placed inline with each data line to divert ESD current away from USB transceiver ESD diodes. Use Value: Achieves sub-1 ns response time and clamps ESD events to <220 V, preventing bit errors and port lockup without adding capacitance that degrades 480 Mbps signaling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150CA | Same VWM (128 V), VC = 243 V at 2.5 A; lower PPPM (400 W); SMA package (smaller footprint, higher RθJA). | Limited to lower-energy surges; not AEC-Q101 qualified; suited for consumer-grade USB or audio I/O protection. | Select when cost or board area is prioritized over automotive qualification and 600 W surge headroom. |
| 1.5KE150CA | Same VWM/VC specs but through-hole DO-201 package; higher thermal mass but incompatible with SMT assembly. | Used in legacy industrial power supplies or repair scenarios requiring hand-soldered replacement. | Choose only for through-hole redesigns or prototyping where reflow compatibility and automated placement are not required. |
Compared with SMAJ150CA and 1.5KE150CA, the P6SMB150CAHE3/52 delivers superior surge robustness (600 W vs. 400 W or through-hole-limited thermal response), AEC-Q101 validation for automotive use, and SMB packaging optimized for high-volume SMT manufacturing - making it the preferred choice for new designs targeting IEC 61000-4-5 compliance and extended temperature operation.
Availability
P6SMB150CAHE3/52 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial RS-485 networks, telecom line cards, and consumer USB port protection requiring stable component supply and AEC-Q101 traceability.
Supply support for P6SMB150CAHE3/52 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 reliability and application-specific performance.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and telecom systems - engineered for low clamping ratio, repeatable surge endurance, and seamless integration into automated SMT lines.
FAQ
What is the clamping voltage of P6SMB150CAHE3/52 and how is it measured?
The P6SMB150CAHE3/52 has a maximum clamping voltage (VC) of 207 V, measured at a peak pulse current (IPPM) of 2.9 A using the standardized 10/1000 μs double-exponential waveform. This value is guaranteed per Vishay's datasheet (Document Number 88370, Rev. 09-Jan-2024) and reflects the worst-case voltage imposed on protected circuitry during surge events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is P6SMB150CAHE3/52 suitable for automotive applications?
Yes, P6SMB150CAHE3/52 is AEC-Q101 qualified (indicated by the "HE3" suffix), having passed stress tests including temperature cycling, high-temperature reverse bias, and surge endurance per automotive reliability standards. It is explicitly intended for use in engine control units, ADAS sensors, and infotainment systems where sustained operation from –65 °C to +150 °C and immunity to load dump transients are required.
How does the bidirectional design of P6SMB150CAHE3/52 affect PCB layout?
The bidirectional configuration of P6SMB150CAHE3/52 eliminates polarity marking - both terminals are functionally identical, allowing placement across differential pairs (e.g., RS-485 A/B) or AC-coupled signal paths without orientation checks. No cathode band is present, simplifying automated optical inspection and reducing layout error risk compared to unidirectional TVS devices.
What is the thermal resistance of P6SMB150CAHE3/52 and how does it impact derating?
P6SMB150CAHE3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W and junction-to-lead (RθJL) of 20 °C/W when mounted on 5.0 mm × 5.0 mm copper pads. At ambient temperatures above 25 °C, its peak pulse power must be linearly derated per Figure 2 in the datasheet - e.g., at TA = 85 °C, usable PPPM drops to ~420 W, directly affecting surge margin in high-temperature enclosures.
Does P6SMB150CAHE3/52 meet RoHS and halogen-free requirements?
Yes, P6SMB150CAHE3/52 carries the "HE3" suffix, denoting RoHS-compliant construction per EU Directive 2011/65/EU and material categorization per Vishay document 99912. It is not halogen-free (that requires "HM3" suffix); however, all JEDEC-standard solderability and whisker resistance (JESD 201 Class 2) requirements are satisfied for lead-free reflow assembly.
P6SMB150CAHE3/52 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:
- -
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB150CAHE3/52 FAQ
1.How can I place an order for P6SMB150CAHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150CAHE3/52 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 P6SMB150CAHE3/52 reliable?
The price and inventory of P6SMB150CAHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150CAHE3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB150CAHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150CAHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150CAHE3/52?
P6SMB150CAHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150CAHE3/52 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 P6SMB150CAHE3/52?
For technical support, including P6SMB150CAHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150CAHE3/52 requirements.
6.How does Aetrix verify that P6SMB150CAHE3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB150CAHE3/52 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 P6SMB150CAHE3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB150CAHE3/52?
All P6SMB150CAHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150CAHE3/52, 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 P6SMB150CAHE3/52 part is unused and in its original packaging.
Return procedure for P6SMB150CAHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB150CAHE3/52 Tags
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