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Vishay General Semiconductor - Diodes Division P6SMB8.2CA-E3/52
- Part No.:
- P6SMB8.2CA-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB8.2CA-E3/52.pdf
- Description:
- TVS DIODE 7.02VWM 12.1VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,590
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Product details
Overview
P6SMB8.2CA-E3/52 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, designed for clamping voltage transients on signal or power lines. It features a 8.2 V standoff voltage (VWM), 12.1 V maximum clamping voltage (VC) at 49.6 A peak pulse current (IPPM), and 600 W peak pulse power (PPPM) with 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor signal lines in industrial and automotive electronics.
For engineers reviewing the P6SMB8.2CA-E3/52 datasheet, P6SMB8.2CA-E3/52 pinout, P6SMB8.2CA-E3/52 application, or P6SMB8.2CA-E3/52 equivalent, key selection considerations include bidirectional clamping capability, low clamping ratio (VC/VWM ≈ 1.48), RoHS-compliant matte tin terminals, MSL Level 1 moisture sensitivity, and compatibility with automated SMT placement on standard PCB copper pads.
Technical Context
This device operates as a voltage-clamped surge protector with symmetrical breakdown behavior in both directions due to its bidirectional construction. Its glass-passivated junction ensures stable avalanche characteristics and fast response time (<1 ns), enabling effective suppression of ESD, lightning-induced surges, and inductive switching transients.
The P6SMB8.2CA-E3/52 delivers repeatable clamping performance under 0.01% duty cycle conditions, with thermal resistance RθJA = 100 °C/W and RθJL = 20 °C/W. It maintains specified electrical parameters across -65 °C to +150 °C operating junction temperature range and meets JESD201 Class 2 whisker resistance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 7.02 V - Maximum continuous reverse voltage before significant leakage; defines safe operating margin below clamping threshold |
| VBR (Breakdown Voltage) | 7.79 V (min) to 8.61 V (max) at 10 mA - Ensures reliable, repeatable avalanche initiation within tight tolerance band |
| VC (Clamping Voltage) | 12.1 V at 49.6 A IPPM - Limits transient voltage seen by protected circuitry during worst-case surge event |
| PPPM (Peak Pulse Power) | 600 W with 10/1000 μs waveform - Supports high-energy transient suppression without failure under standardized surge test |
| ID (Reverse Leakage) | 200 μA max at VWM - Low leakage preserves signal integrity and minimizes standby power loss in sensitive circuits |
| TJ max | +150 °C - Enables reliable operation in under-hood automotive and industrial environments with elevated ambient temperatures |
| Package | SMB (DO-214AA) - Standardized surface-mount outline with 0.220" x 0.130" footprint; compatible with JEDEC MS-012AC |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case with matte tin-plated leads; no polarity marking for bidirectional configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry point (either direction) | Accepts surge current during positive or negative voltage excursion; symmetric conduction path |
| Cathode | Transient current exit point (either direction) | Completes bidirectional clamping loop; no functional distinction from anode in CA devices |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or differential signal lines without polarity concerns |
| 600 W peak pulse power | Handles IEC 61000-4-5 Level 4 surges (4 kV line-earth) when mounted per recommended 0.2" × 0.2" copper pads |
| Low clamping ratio (VC/VWM ≈ 1.48) | Minimizes overvoltage stress on downstream components compared to higher-ratio suppressors |
| MSL Level 1 rating | Allows unlimited floor life and reflow soldering at peak temperature up to 260 °C without baking |
| AEC-Q101 qualification option | HE3/HM3 variants available for automotive applications requiring validated reliability under temperature cycling and humidity testing |
Applications
| Automotive Sensor Signal Protection | Industrial PLC Input Protection |
|---|---|
|
Use Scenario: Protecting CAN/LIN bus transceiver inputs and analog sensor outputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector interface to shunt transients before reaching signal conditioning circuitry. Use Value: Prevents latch-up or permanent damage to precision op-amps and ADC front-ends while maintaining signal fidelity below 7.02 V normal operation. |
Use Scenario: Safeguarding 24 V DC digital input modules in programmable logic controllers against field-wiring induced surges and relay coil flyback. IC Role / Device Role / Timing Role: Primary overvoltage clamp on input terminal block, coordinated with series current-limiting resistor and optocoupler isolation. Use Value: Enables robust immunity to IEC 61000-4-4 EFT bursts and 1 kV/500 A surge events without derating or parallel device stacking. |
| Telecom Line Interface Protection | Consumer Appliance Motor Control |
|
Use Scenario: Shielding RS-485 transceivers and Ethernet PHY magnetics from lightning-induced common-mode surges on outdoor cabling. IC Role / Device Role / Timing Role: Common-mode TVS pair (one per line) referenced to chassis ground, placed upstream of TVS diode arrays and choke filters. Use Value: Clamps differential and common-mode transients simultaneously with sub-12.1 V clamping ceiling, preserving data integrity during surge events. |
Use Scenario: Suppressing commutation spikes from brushed DC motors in washing machines, HVAC blowers, and power tools. IC Role / Device Role / Timing Role: Snubber-style clamp across motor terminals or H-bridge MOSFET drains to limit dv/dt and prevent shoot-through. Use Value: Extends MOSFET lifetime by limiting drain-source voltage overshoot to ≤12.1 V during 49.6 A inductive turn-off events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0CA | 8.0 V VWM, 12.0 V VC at 50.0 A IPPM; same SMB package but tighter VWM tolerance (±5% vs ±10% for P6SMB8.2CA) | Preferred where precise clamping threshold is critical, e.g., 3.3 V or 5 V rail protection with narrow voltage margins | Select SMBJ8.0CA if design requires lower VWM headroom and tighter parametric control; verify layout compatibility with identical SMB footprint |
| 1.5KE8.2CA | Through-hole DO-15 package; 8.2 V VWM, 13.4 V VC at 44.8 A IPPM; higher thermal mass but larger board area | Suitable for prototyping, high-reliability legacy systems, or where manual assembly or wave soldering is used | Choose 1.5KE8.2CA only when through-hole mounting is mandated or when higher single-pulse energy handling (same PPPM) justifies larger footprint |
Compared with SMBJ8.0CA and 1.5KE8.2CA, the P6SMB8.2CA-E3/52 offers optimal balance of SMT manufacturability, bidirectional clamping, and industry-standard SMB footprint - making it ideal for high-volume automotive and industrial PCBs where space, automation, and consistency are prioritized.
Availability
P6SMB8.2CA-E3/52 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC inputs, telecom line protection, and consumer appliance motor control requiring stable component supply and full traceability.
Supply support for P6SMB8.2CA-E3/52 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 protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets cost-sensitive, high-volume transient suppression needs in automotive, industrial, and communications equipment - delivering standardized TVS performance in compact, automated-assembly-ready packages.
FAQ
What does the "CA" suffix indicate in P6SMB8.2CA-E3/52?
The "CA" suffix denotes that the P6SMB8.2CA-E3/52 is a bidirectional Transient Voltage Suppressor. Unlike unidirectional variants (e.g., P6SMB8.2A), this device provides symmetrical clamping in both polarities - essential for protecting AC-coupled signals, differential buses, or circuits where voltage polarity reversal may occur. Electrical characteristics apply identically in either direction.
Is P6SMB8.2CA-E3/52 RoHS-compliant and lead-free?
Yes, the P6SMB8.2CA-E3/52 is RoHS-compliant and lead-free. The "-E3" suffix explicitly indicates commercial-grade, RoHS-compliant construction with matte tin-plated leads that meet J-STD-002 and JESD 22-B102 solderability standards. It also satisfies JESD201 Class 2 whisker resistance requirements.
What is the maximum clamping voltage of P6SMB8.2CA-E3/52 under surge conditions?
The maximum clamping voltage (VC) of the P6SMB8.2CA-E3/52 is 12.1 V, measured at a peak pulse current (IPPM) of 49.6 A using the standardized 10/1000 μs waveform. This value represents the highest voltage the device allows to pass through to the protected circuit during a defined transient event, ensuring downstream components remain within safe operating limits.
Can P6SMB8.2CA-E3/52 be used in automotive applications?
Yes - while the base P6SMB8.2CA-E3/52 is commercial-grade, Vishay offers AEC-Q101 qualified versions (e.g., P6SMB8.2CAHE3_B) with the same electrical specs. These qualified variants undergo rigorous stress testing for temperature cycling, humidity, and mechanical shock, making them suitable for under-hood and body-control module applications where automotive reliability standards apply.
How does the thermal performance of P6SMB8.2CA-E3/52 affect PCB layout?
The P6SMB8.2CA-E3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W, which assumes mounting on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. To maintain reliability during repetitive surges, PCB layout must replicate this pad area - undersized pads increase junction temperature, reducing surge endurance and accelerating degradation. Thermal vias beneath pads further improve heat dissipation.
P6SMB8.2CA-E3/52 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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 7.02V
- Voltage - Breakdown (Min):
- 7.79V
- Voltage - Clamping (Max) @ Ipp:
- 12.1V
- Current - Peak Pulse (10/1000µs):
- 49.6A
- 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)
P6SMB8.2CA-E3/52 FAQ
1.How can I place an order for P6SMB8.2CA-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB8.2CA-E3/52 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 P6SMB8.2CA-E3/52 reliable?
The price and inventory of P6SMB8.2CA-E3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB8.2CA-E3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB8.2CA-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB8.2CA-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB8.2CA-E3/52?
P6SMB8.2CA-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB8.2CA-E3/52 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 P6SMB8.2CA-E3/52?
For technical support, including P6SMB8.2CA-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB8.2CA-E3/52 requirements.
6.How does Aetrix verify that P6SMB8.2CA-E3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB8.2CA-E3/52 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 P6SMB8.2CA-E3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB8.2CA-E3/52?
All P6SMB8.2CA-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB8.2CA-E3/52, 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 P6SMB8.2CA-E3/52 part is unused and in its original packaging.
Return procedure for P6SMB8.2CA-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB8.2CA-E3/52 Tags
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