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Vishay General Semiconductor - Diodes Division P6SMB7.5CA-E3/5B
- Part No.:
- P6SMB7.5CA-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB7.5CA-E3/5B.pdf
- Description:
- TVS DIODE 6.4VWM 11.3VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,123
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Product details
Overview
P6SMB7.5CA-E3/5B 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 or power lines. It features 600 W peak pulse power (10/1000 μs), 7.13 V minimum breakdown voltage at 10 mA test current, 6.40 V standoff voltage, and clamps to ≤11.3 V at 53.1 A peak pulse current - ideal for protecting I/O ports and sensor interfaces in industrial control systems.
For engineers reviewing the P6SMB7.5CA-E3/5B datasheet, P6SMB7.5CA-E3/5B pinout, P6SMB7.5CA-E3/5B application, or P6SMB7.5CA-E3/5B equivalent, key selection criteria include bidirectional clamping capability, low clamping voltage under surge, RoHS-compliant matte tin terminations, MSL Level 1 moisture sensitivity, and compatibility with automated SMT placement on 0.2" × 0.2" copper pads.
Technical Context
The P6SMB7.5CA-E3/5B operates as a symmetrical avalanche diode, conducting in both directions when reverse voltage exceeds its breakdown threshold (VBR = 7.13–7.88 V). Its glass-passivated junction ensures stable leakage (<500 μA at VWM) and fast response time (<1 ns), enabling suppression of ESD and inductive switching spikes before sensitive downstream circuitry is damaged.
Thermally, it exhibits RθJA = 100 °C/W and RθJL = 20 °C/W, supporting continuous power dissipation up to 5.0 W at TA = 50 °C. The device is rated for TJ = –65 to +150 °C and meets JESD201 Class 2 whisker resistance, making it suitable for automotive-grade applications when ordered with HE3/HM3 suffixes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (10/1000 μs) | 600 W - sustains high-energy transients without failure during repetitive surge events at 0.01% duty cycle |
| Standoff Voltage (VWM) | 6.40 V - maximum continuous working voltage before significant leakage begins; sets system operating margin |
| Breakdown Voltage (VBR) | 7.13–7.88 V at 10 mA - defines precise clamping onset threshold for bidirectional protection |
| Clamping Voltage (VC) | ≤11.3 V at 53.1 A IPPM - limits transient voltage seen by protected ICs to safe levels |
| Package | SMB (DO-214AA) - standardized surface-mount outline with 0.220" × 0.205" footprint and 0.096" height for high-density PCB layouts |
| RoHS Compliance | E3 suffix - lead-free, halogen-free compliant per JEDEC standards, qualified for commercial temperature range |
| Moisture Sensitivity | MSL Level 1 - no floor life limitation; safe for reflow without baking prior to assembly |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Cathode/anode terminals are symmetrical; both ends function identically in either direction.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient return path (bidirectional) | Provides low-impedance conduction path to ground or rail during overvoltage in either polarity |
| Cathode | Transient return path (bidirectional) | Functionally identical to anode; enables symmetrical clamping without orientation dependency |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power rating | Enables robust protection against IEC 61000-4-5 Level 4 surges (4 kV line-to-line) without derating on standard PCB pads |
| Glass passivated junction | Ensures long-term stability of VBR and leakage current across temperature and lifetime stress conditions |
| Low clamping ratio (VC/VBR ≈ 1.49) | Minimizes voltage overshoot during clamping, reducing risk of latch-up or damage to 5 V logic interfaces |
| Matte tin plated leads | Guarantees solderability per J-STD-002 and JESD22-B102, supporting reliable reflow in high-volume manufacturing |
| Automated placement compatible | Standardized SMB outline and terminal geometry enable direct integration into pick-and-place workflows without custom feeders |
Applications
| Industrial Sensor Interface Protection | Automotive Body Control Module (BCM) I/O |
|---|---|
Use Scenario: Protecting analog sensor inputs (e.g., temperature, pressure) from load dump and relay coil flyback in factory automation PLCs. IC Role / Device Role / Timing Role: Bidirectional TVS placed between sensor line and ground, clamping transients before they reach ADC input or op-amp buffer. Use Value: Limits induced voltage to ≤11.3 V, preserving signal integrity and preventing ADC saturation or input stage damage during 53.1 A surge events. | Use Scenario: Safeguarding LIN bus transceiver pins and switch inputs in BCM modules exposed to battery voltage fluctuations and ESD. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across LIN data line and ground, suppressing ±8 kV contact ESD per ISO 10605 without affecting signal rise/fall times. Use Value: Maintains <500 μA leakage at 6.40 V, ensuring minimal impact on LIN bus biasing while delivering sub-nanosecond response to fast transients. |
| USB Port ESD Protection | Power Supply Rail Clamp |
Use Scenario: Secondary-level ESD protection on USB 2.0 D+/D− lines in embedded host controllers where primary protection resides upstream. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp placed differential across data pair, referenced to ground. Use Value: Clamps ±15 kV air discharge to <12 V peak, meeting IEC 61000-4-2 Level 4 without degrading 480 Mbps signal integrity due to symmetrical structure. | Use Scenario: Overvoltage clamp on 5 V or 3.3 V supply rails feeding microcontrollers or FPGAs in edge computing gateways. IC Role / Device Role / Timing Role: Parallel-connected TVS between rail and ground, triggered only during fault conditions exceeding VWM. Use Value: Absorbs 600 W surge energy without thermal runaway, allowing downstream LDOs or DC-DC converters to remain functional after transient clearance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ7.5CA | Same SMB package, identical VWM (6.4 V) and VC (11.3 V), but rated for 600 W with tighter VBR tolerance (7.13–7.88 V vs. 7.22–7.98 V) | Designed for higher-reliability industrial use with tighter parametric binning; not AEC-Q101 qualified in base version | Select SMBJ7.5CA if tighter VBR distribution is required for precision clamping thresholds |
| 1.5SMC7.5CA | Larger SMC (DO-214AB) package, same electrical specs but higher thermal mass (RθJA = 60 °C/W), 1500 W peak power rating | Better suited for high-power board-level protection where PCB space allows larger footprint and higher surge immunity is needed | Choose 1.5SMC7.5CA when system-level surge testing requires >600 W headroom or improved thermal performance under sustained pulse trains |
Compared with SMBJ7.5CA, P6SMB7.5CA-E3/5B offers identical clamping performance in a cost-optimized SMB form factor; versus 1.5SMC7.5CA, it trades peak power headroom for compactness and lower assembly cost - critical for space-constrained consumer and industrial modules.
Availability
P6SMB7.5CA-E3/5B is available at Aetrix Electronics and suitable for industrial sensor interfaces, automotive body electronics, USB port protection, and power rail clamping requiring stable component supply and full traceability.
Supply support for P6SMB7.5CA-E3/5B 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, MOSFETs, and protection devices with emphasis on reliability, efficiency, and manufacturability.
The P6SMB Series is engineered for high-volume surface-mount transient suppression in automotive, industrial, and communications equipment - balancing surge robustness, compact packaging, and process compatibility for automated assembly.
FAQ
What is the maximum clamping voltage of the P6SMB7.5CA-E3/5B under specified surge conditions?
The P6SMB7.5CA-E3/5B clamps to a maximum of 11.3 V when subjected to its rated 53.1 A peak pulse current (IPPM) using a 10/1000 μs waveform. This value is measured at TA = 25 °C with devices mounted on 0.2" × 0.2" copper pads per JEDEC standards. The clamping voltage directly determines the peak stress imposed on protected circuitry, making it a critical parameter for interface-level surge design.
Is the P6SMB7.5CA-E3/5B suitable for automotive applications?
The base P6SMB7.5CA-E3/5B is commercial-grade and not AEC-Q101 qualified; however, Vishay offers automotive variants such as P6SMB7.5CAHE3_B with the same electrical characteristics and enhanced qualification. For automotive use, specify the HE3 or HM3 suffix and revision code (e.g., _B) - the P6SMB7.5CA-E3/5B itself is intended for industrial and consumer applications where extended temperature or qualification is not mandated.
How does the bidirectional configuration of P6SMB7.5CA-E3/5B affect PCB layout?
The P6SMB7.5CA-E3/5B has no polarity marking and functions identically in both directions, eliminating orientation constraints during placement. This simplifies PCB layout by removing the need for silkscreen polarity indicators or directional routing - especially beneficial for differential signal protection like USB or RS-485. Layout must still follow Vishay's recommended 0.2" × 0.2" copper pad dimensions to ensure rated thermal and surge performance.
What is the standoff voltage rating of P6SMB7.5CA-E3/5B and why does it matter?
The standoff voltage (VWM) of P6SMB7.5CA-E3/5B is 6.40 V - the maximum continuous reverse voltage the device can withstand without entering breakdown. This parameter ensures the TVS remains non-conductive during normal operation, avoiding power loss or signal distortion. It must be selected ≥10–20% above the system's maximum operating voltage (e.g., 5 V rail) to prevent false triggering while maintaining adequate margin for tolerance and ripple.
Does P6SMB7.5CA-E3/5B require special handling during reflow soldering?
No special handling is required for P6SMB7.5CA-E3/5B beyond standard SMT practices: it is rated MSL Level 1 (unlimited floor life) and qualified for peak reflow temperatures up to 260 °C per J-STD-020. Its matte tin terminations comply with J-STD-002 for solderability, and the glass-passivated junction ensures stability through multiple thermal cycles - making it fully compatible with standard lead-free reflow profiles used in commercial electronics manufacturing.
P6SMB7.5CA-E3/5B 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:
- Active
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB7.5CA-E3/5B FAQ
1.How can I place an order for P6SMB7.5CA-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB7.5CA-E3/5B 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 P6SMB7.5CA-E3/5B reliable?
The price and inventory of P6SMB7.5CA-E3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB7.5CA-E3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB7.5CA-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB7.5CA-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB7.5CA-E3/5B?
P6SMB7.5CA-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB7.5CA-E3/5B 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 P6SMB7.5CA-E3/5B?
For technical support, including P6SMB7.5CA-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB7.5CA-E3/5B requirements.
6.How does Aetrix verify that P6SMB7.5CA-E3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB7.5CA-E3/5B 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 P6SMB7.5CA-E3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB7.5CA-E3/5B?
All P6SMB7.5CA-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB7.5CA-E3/5B, 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 P6SMB7.5CA-E3/5B part is unused and in its original packaging.
Return procedure for P6SMB7.5CA-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB7.5CA-E3/5B Tags
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ESD9B5.0ST5G
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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