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Vishay General Semiconductor - Diodes Division P6SMB30CAHE3/52
- Part No.:
- P6SMB30CAHE3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB30CAHE3/52.pdf
- Description:
- TVS DIODE 25.6VWM 41.4VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,425
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Product details
Overview
P6SMB30CAHE3/52 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 30 V standoff voltage (VWM), 33.3 V minimum breakdown voltage (VBR), 41.4 V maximum clamping voltage (VC) at 14.5 A peak pulse current (IPPM), and 600 W peak pulse power (PPPM) with a 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor signal lines in automotive and industrial electronics.
For engineers reviewing the P6SMB30CAHE3/52 datasheet, P6SMB30CAHE3/52 pinout, P6SMB30CAHE3/52 application, or P6SMB30CAHE3/52 equivalent, key selection considerations include bidirectional clamping capability, AEC-Q101 qualification, SMB (DO-214AA) package compatibility, and thermal resistance (RθJA = 100 °C/W) for board-level surge protection design.
Technical Context
This device operates as a voltage-clamping protector with symmetrical bidirectional conduction - no polarity marking required. Its glass-passivated junction ensures stable avalanche behavior under repetitive 10/1000 μs surges at 0.01 % duty cycle, and it meets MSL Level 1 per J-STD-020 with 260 °C lead-free reflow peak temperature.
The P6SMB30CAHE3/52 delivers low incremental surge resistance and fast response time (<1 ns), enabling effective suppression of ESD, lightning-induced transients, and inductive switching spikes. Its TJ max of 150 °C and -65 °C to +150 °C operating range support deployment in under-hood automotive and harsh industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 30 V - Maximum continuous reverse working voltage before clamping initiates |
| VBR (Breakdown Voltage) | 33.3 V min at IT = 1.0 mA - Confirmed avalanche onset threshold for reliable transient detection |
| VC (Clamping Voltage) | 41.4 V max at IPPM = 14.5 A - Peak line voltage seen by protected circuit during worst-case surge |
| PPPM (Peak Pulse Power) | 600 W - Sustained energy absorption capability with 10/1000 μs waveform |
| RθJA | 100 °C/W - Thermal resistance from junction to ambient, defining derating above 25 °C ambient |
| TJ max | +150 °C - Maximum allowable junction temperature for long-term reliability |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
Package: SMB (DO-214AA) - Surface-mount plastic case with matte tin-plated leads, UL 94 V-0 rated molding compound, and 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad layout recommendation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional terminal pair | No polarity marking; terminals interchangeable - enables clamping in both voltage polarities |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against IEC 61000-4-5 Level 3/4 surges without derating penalties |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive applications including engine control units and ADAS sensor interfaces |
| Low profile SMB (DO-214AA) package | 0.220" × 0.155" footprint supports high-density PCB layouts and automated placement |
| Glass passivated junction | Ensures stable VBR over lifetime and immunity to humidity-induced parameter drift |
| MSL Level 1, 260 °C peak reflow | Compatible with standard lead-free SMT assembly processes without pre-baking |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional clamping element placed across differential or single-ended signal lines upstream of interface ICs. Use Value: Limits transient voltage to ≤41.4 V while absorbing up to 600 W, preventing latch-up or gate oxide damage in connected transceivers. |
Use Scenario: Shielding digital input/output channels of programmable logic controllers from inductive kickback and EFT bursts. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 24 V DC field wiring, mounted directly at connector entry point. Use Value: Maintains system uptime by suppressing >1 kV transients without degradation after repeated 14.5 A surge events. |
| Consumer Power Adapter Output | Telecom Line Interface Protection |
Use Scenario: Safeguarding secondary-side DC outputs of AC/DC adapters against surges induced by nearby motor switching. IC Role / Device Role / Timing Role: Secondary-side TVS placed between VOUT and GND, downstream of output capacitor. Use Value: Clamps 30 V nominal rail to 41.4 V during surge, preserving downstream USB-PD or PMIC regulation integrity. |
Use Scenario: Protecting Ethernet PHY or DSL line drivers from lightning-induced common-mode surges on twisted-pair lines. IC Role / Device Role / Timing Role: Bidirectional suppressor bridging tip/ring or differential pairs before transformer coupling. Use Value: Symmetrical clamping preserves signal integrity while meeting GR-1089-CORE telecom 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 |
|---|---|---|---|
| SMAJ30CA-E3/52 | Same VWM/VBR/VC specs but lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 150 °C/W) | Limited to lower-energy transients; less suitable for automotive load dump where 600 W is required | Select when board space is constrained and surge energy remains below 400 W |
| 1.5KE30CA-T | Through-hole DO-201 package, same 30 V bidirectional rating, 600 W PPPM, but larger size and manual assembly requirement | Used in legacy industrial power supplies where through-hole mounting is mandated or thermal mass is prioritized | Choose for high-reliability, high-thermal-mass designs where automated SMT is not available |
Compared with SMAJ30CA-E3/52 and 1.5KE30CA-T, the P6SMB30CAHE3/52 uniquely combines AEC-Q101 qualification, SMB surface-mount compatibility, and full 600 W surge handling - making it the preferred choice for new automotive and high-volume industrial designs requiring validated reliability and SMT scalability.
Availability
P6SMB30CAHE3/52 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, consumer power adapter outputs, and telecom line interface protection requiring stable component supply and AEC-Q101 compliance.
Supply support for P6SMB30CAHE3/52 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, rectifiers, MOSFETs, and passive components with emphasis on reliability, efficiency, and application-specific performance.
The P6SMB Series is engineered for high-energy transient suppression in automotive, industrial, and communications systems - delivering consistent clamping performance and AEC-Q101 validation across its bidirectional voltage range.
FAQ
What is the clamping voltage of the P6SMB30CAHE3/52 at its rated peak pulse current?
The P6SMB30CAHE3/52 has a maximum clamping voltage (VC) of 41.4 V at its rated peak pulse current (IPPM) of 14.5 A, measured using a 10/1000 μs waveform. This value defines the highest voltage imposed on the protected circuit during a standardized surge event and is critical for ensuring downstream ICs remain within absolute maximum ratings. The P6SMB30CAHE3/52 maintains this clamping performance across its operational temperature range and after repeated surge exposures.
Is the P6SMB30CAHE3/52 suitable for automotive applications?
Yes, the P6SMB30CAHE3/52 is AEC-Q101 qualified (indicated by the HE3 suffix), having passed stress tests including high-temperature reverse bias, temperature cycling, and ESD per automotive standards. It is explicitly recommended for use in engine control units, body electronics, and ADAS sensor interfaces where bidirectional transient suppression and long-term reliability under thermal cycling are required. The P6SMB30CAHE3/52 meets these criteria without derating in typical under-hood ambient conditions.
How does the SMB (DO-214AA) package of the P6SMB30CAHE3/52 compare to SMA or SMC packages in terms of thermal performance?
The SMB (DO-214AA) package of the P6SMB30CAHE3/52 offers a balanced trade-off: smaller than SMC but larger than SMA, with a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W on 0.2" × 0.2" copper pads. In contrast, SMAJ-series devices in SMA packages exhibit RθJA ≈ 150 °C/W, limiting power dissipation, while SMC-packaged equivalents offer ~65 °C/W but require more board area. The P6SMB30CAHE3/52's SMB footprint thus supports higher surge energy handling than SMA while maintaining compactness for dense layouts.
Does the P6SMB30CAHE3/52 have polarity markings, and how is it installed on the PCB?
No, the P6SMB30CAHE3/52 is a bidirectional TVS diode and carries no cathode band or polarity marking - both terminals are functionally identical. It is installed symmetrically across the protected line and ground (or across differential lines), with no orientation dependency. This simplifies PCB layout and eliminates risk of reverse installation errors during automated assembly. The P6SMB30CAHE3/52's symmetrical construction ensures identical clamping behavior for positive and negative transients.
What is the maximum operating temperature and storage range for the P6SMB30CAHE3/52?
The P6SMB30CAHE3/52 has an operating and storage temperature range of -65 °C to +150 °C, with a maximum junction temperature (TJ max) of +150 °C. This wide range supports deployment in extreme environments such as automotive under-hood locations, industrial motor drives, and outdoor telecom enclosures. Derating of peak pulse power begins above 25 °C ambient per Figure 2 in the datasheet, and the P6SMB30CAHE3/52 maintains full specification compliance throughout its rated temperature span.
P6SMB30CAHE3/52 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):
- 25.6V
- Voltage - Breakdown (Min):
- 28.5V
- Voltage - Clamping (Max) @ Ipp:
- 41.4V
- Current - Peak Pulse (10/1000µs):
- 14.5A
- 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)
P6SMB30CAHE3/52 FAQ
1.How can I place an order for P6SMB30CAHE3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB30CAHE3/52 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 P6SMB30CAHE3/52 reliable?
The price and inventory of P6SMB30CAHE3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB30CAHE3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB30CAHE3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB30CAHE3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB30CAHE3/52?
P6SMB30CAHE3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB30CAHE3/52 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 P6SMB30CAHE3/52?
For technical support, including P6SMB30CAHE3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB30CAHE3/52 requirements.
6.How does Aetrix verify that P6SMB30CAHE3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB30CAHE3/52 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 P6SMB30CAHE3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB30CAHE3/52?
All P6SMB30CAHE3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB30CAHE3/52, 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 P6SMB30CAHE3/52 part is unused and in its original packaging.
Return procedure for P6SMB30CAHE3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB30CAHE3/52 Tags
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