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Vishay General Semiconductor - Diodes Division P6SMB7.5CAHE3/5B
- Part No.:
- P6SMB7.5CAHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB7.5CAHE3/5B.pdf
- Description:
- TVS DIODE 6.4VWM 11.3VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,701
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Product details
Overview
P6SMB7.5CAHE3/5B from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on signal and power lines. It features a 7.5 V standoff voltage (VWM), 11.3 V maximum clamping voltage at 53.1 A peak pulse current, and 600 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor interfaces in automotive and industrial control systems.
For engineers reviewing the P6SMB7.5CAHE3/5B datasheet, P6SMB7.5CAHE3/5B pinout, P6SMB7.5CAHE3/5B application, or P6SMB7.5CAHE3/5B equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, low clamping ratio (VC/VWM = 1.51), RoHS-compliant matte tin plating, and compatibility with automated SMT assembly on standard PCB pads.
Technical Context
This device operates as a voltage-clamped surge protector with symmetrical breakdown behavior in both polarities due to its bidirectional construction. Its glass-passivated junction ensures stable leakage performance and fast response time (<1 ns), while the low incremental surge resistance supports effective energy diversion during ESD or lightning-induced transients.
The P6SMB7.5CAHE3/5B is rated for continuous operation from −65 °C to +150 °C junction temperature and meets MSL Level 1 per J-STD-020 with peak reflow of 260 °C. Its thermal resistance (RθJA = 100 °C/W) reflects standard SMB package limitations under natural convection conditions on 5.0 mm × 5.0 mm copper pads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 6.40 V - Maximum reverse working voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (Breakdown, min/max) | 7.13 V / 7.88 V at 10 mA - Tight 7.5 V nominal breakdown tolerance ensures predictable turn-on across production lots. |
| VC @ IPPM | 11.3 V at 53.1 A - Clamping voltage under 600 W 10/1000 μs surge; determines protected circuit's maximum transient exposure. |
| PPPM | 600 W - Peak pulse power handling capacity; enables protection against IEC 61000-4-5 Level 4 surges when properly laid out. |
| IPPM | 53.1 A - Peak pulse current supported with 10/1000 μs waveform; defines minimum series impedance required for compliance. |
| TJ max. | +150 °C - Maximum junction temperature; allows operation in under-hood automotive environments without derating. |
| AEC-Q101 Qualified | Yes - Validated for automotive electronics per stress test requirements including HTOL, TC, and HTRB. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); terminals are matte tin plated, solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient return path (bidirectional) | Common terminal for symmetrical clamping; connects to protected line or ground reference depending on layout. |
| Cathode | Transient return path (bidirectional) | Electrically identical to Anode in bidirectional TVS; no functional distinction - device has no polarity marking. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns. |
| 600 W peak pulse power | Supports robust immunity to IEC 61000-4-5 surges up to 4 kV (open-circuit) when combined with appropriate series impedance. |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive powertrain, body electronics, and ADAS modules requiring long-term reliability under thermal cycling. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and direct placement into reflow without baking - reduces manufacturing overhead. |
| Glass passivated junction | Ensures stable leakage current (<500 μA at VWM) and consistent breakdown over temperature and lifetime. |
Applications
| Automotive Sensor Interface Protection | Industrial CAN Bus Line Protection |
|---|---|
Use Scenario: Protecting analog output lines of pressure, temperature, and position sensors in engine control units and battery management systems. IC Role / Device Role / Timing Role: Bidirectional TVS placed between sensor signal line and chassis ground to clamp ESD and load-dump transients. Use Value: Prevents latch-up or permanent damage to precision op-amps and ADC inputs by limiting transient voltage to ≤11.3 V. |
Use Scenario: Safeguarding CAN_H and CAN_L differential pair against coupling noise, EFT bursts, and ISO 7637-2 pulses in vehicle networks. IC Role / Device Role / Timing Role: Dual TVS array (one per line) referenced to common ground, leveraging symmetrical clamping for balanced protection. Use Value: Maintains signal integrity during 10/1000 μs surges up to ±30 A while preserving CAN timing margins and bit error rate. |
| Consumer Power Adapter Input Stage | Telecom DSL Line Surge Protection |
Use Scenario: Input-side transient suppression on 5–12 V DC power rails feeding USB-C PD controllers and PMICs in wall adapters. IC Role / Device Role / Timing Role: Primary clamping device located after input fuse and before bulk capacitor, shunting surge energy to ground. Use Value: Limits voltage overshoot to <12 V during 1 kV/0.5 J surges, preventing overvoltage shutdown or gate oxide failure in downstream FETs. |
Use Scenario: Front-end protection of ADSL/VDSL line interface circuits exposed to lightning-induced surges on twisted-pair telephone lines. IC Role / Device Role / Timing Role: Bidirectional TVS connected between tip/ring and ground, absorbing common-mode transients before transformer coupling. Use Value: Withstands repeated 10/700 μs surges up to 10 A while maintaining <1 pF junction capacitance to avoid signal attenuation above 1 MHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ7.5CA | Same VWM (6.4 V) and VC (11.3 V), but lower PPPM = 400 W; SMA package (smaller footprint, higher RθJA). | Less suitable for high-energy surges (e.g., ISO 7637-2 Pulse 5a); preferred where board space is constrained and surge levels are moderate. | Select SMAJ7.5CA only if layout area is limited and peak surge energy does not exceed 400 W capability. |
| 1.5KE7.5CA | Higher PPPM = 1500 W, axial leaded DO-201 package; VC = 12.4 V at 121 A; not surface-mount. | Requires through-hole assembly and larger board area; better for high-power industrial AC mains protection, not automotive SMT designs. | Choose 1.5KE7.5CA only for non-SMT applications needing >600 W surge handling and where manual or wave soldering is acceptable. |
Compared with SMAJ7.5CA and 1.5KE7.5CA, the P6SMB7.5CAHE3/5B uniquely balances AEC-Q101 qualification, 600 W capability, and SMB footprint - making it the optimal choice for automotive and industrial SMT designs requiring validated reliability and standardized reflow compatibility.
Availability
P6SMB7.5CAHE3/5B is available at Aetrix Electronics and suitable for automotive sensor protection, industrial CAN bus hardening, and telecom DSL line safeguarding requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for P6SMB7.5CAHE3/5B 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 devices, and optoelectronics with emphasis on reliability and application-specific validation.
The P6SMB Series was developed for high-reliability transient suppression in automotive, industrial, and communications equipment - prioritizing AEC-Q101 compliance, tight parametric distribution, and robust surge endurance in compact surface-mount packages.
FAQ
What does the "CA" suffix indicate in P6SMB7.5CAHE3/5B?
The "CA" suffix denotes a bidirectional configuration, meaning the P6SMB7.5CAHE3/5B provides symmetrical clamping for both positive and negative transients without polarity dependence. This differs from unidirectional variants (e.g., P6SMB7.5A) that require correct cathode orientation. The CA version is ideal for AC signal lines, differential buses like CAN, and floating sensor outputs where voltage polarity reversal occurs.
Is P6SMB7.5CAHE3/5B suitable for automotive applications?
Yes, the P6SMB7.5CAHE3/5B is AEC-Q101 qualified (indicated by the "HE3" suffix), having passed stress tests including high-temperature operating life, temperature cycling, and humidity testing. It is approved for use in automotive subsystems such as body control modules, infotainment interfaces, and ADAS sensor front-ends where transient immunity and long-term reliability are mandatory.
What is the clamping ratio of P6SMB7.5CAHE3/5B, and why does it matter?
The clamping ratio of P6SMB7.5CAHE3/5B is 1.51 (VC/VWM = 11.3 V / 6.40 V), indicating how tightly the device limits transient voltage relative to its rated standoff level. A lower ratio means superior protection - here, it ensures downstream ICs see less than 1.5× the normal operating voltage during a 600 W surge, reducing risk of overvoltage damage to sensitive analog or digital inputs.
How does the SMB package of P6SMB7.5CAHE3/5B compare to SMA or SMC alternatives?
The SMB (DO-214AA) package of P6SMB7.5CAHE3/5B offers a balance of surge capability and board space efficiency: larger than SMA (lower RθJA, higher PPPM) but smaller than SMC. Its 4.57 mm × 3.94 mm footprint supports automated placement while delivering full 600 W rating - unlike SMA variants limited to 400 W - making it the preferred choice for space-constrained yet high-energy protection needs.
Does P6SMB7.5CAHE3/5B require a heatsink for standard operation?
No, the P6SMB7.5CAHE3/5B is designed for operation without an external heatsink under typical conditions. Its RθJA of 100 °C/W assumes mounting on 5.0 mm × 5.0 mm copper pads per terminal, sufficient for pulsed surge dissipation. Continuous power dissipation is limited to 5.0 W, but transient events are short-duration; thermal design focuses on PCB copper area rather than added heatsinking.
P6SMB7.5CAHE3/5B 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):
- 6.4V
- Voltage - Breakdown (Min):
- 7.13V
- Voltage - Clamping (Max) @ Ipp:
- 11.3V
- Current - Peak Pulse (10/1000µs):
- 53.1A
- 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)
P6SMB7.5CAHE3/5B FAQ
1.How can I place an order for P6SMB7.5CAHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB7.5CAHE3/5B 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 P6SMB7.5CAHE3/5B reliable?
The price and inventory of P6SMB7.5CAHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB7.5CAHE3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB7.5CAHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB7.5CAHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB7.5CAHE3/5B?
P6SMB7.5CAHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB7.5CAHE3/5B 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 P6SMB7.5CAHE3/5B?
For technical support, including P6SMB7.5CAHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB7.5CAHE3/5B requirements.
6.How does Aetrix verify that P6SMB7.5CAHE3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB7.5CAHE3/5B 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 P6SMB7.5CAHE3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB7.5CAHE3/5B?
All P6SMB7.5CAHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB7.5CAHE3/5B, 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 P6SMB7.5CAHE3/5B part is unused and in its original packaging.
Return procedure for P6SMB7.5CAHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB7.5CAHE3/5B Tags
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