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Vishay General Semiconductor - Diodes Division P6SMB8.2CAHE3_A/I
- Part No.:
- P6SMB8.2CAHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB8.2CAHE3_A/I.pdf
- Description:
- TVS DIODE 7.02VWM 12.1VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,634
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Product details
Overview
P6SMB8.2CAHE3_A/I 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 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 interfaces in automotive and industrial control systems.
For engineers reviewing the P6SMB8.2CAHE3_A/I datasheet, P6SMB8.2CAHE3_A/I pinout, P6SMB8.2CAHE3_A/I application, or P6SMB8.2CAHE3_A/I equivalent, key selection criteria 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 TVS diode operates symmetrically in both directions due to its bidirectional construction, enabling suppression of positive and negative transients without polarity sensitivity. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<200 μA at VWM), while the 10/1000 μs waveform rating reflects standardized surge immunity testing per IEC 61000-4-5.
The device is rated for TJ = -65 °C to +150 °C operation and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak. Its 12.1 V clamping voltage at 49.6 A IPPM provides predictable overvoltage limiting during ESD or inductive switching events in 12 V automotive subsystems and industrial I/O circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 7.02 V - maximum continuous reverse voltage before conduction begins; defines operating margin below clamping threshold |
| VBR (Breakdown) | 7.79–8.61 V at 10 mA - guaranteed voltage range where avalanche conduction initiates reliably |
| VC (Clamping) | 12.1 V at 49.6 A IPPM - peak voltage seen by protected circuit during worst-case transient; critical for downstream component survivability |
| PPPM | 600 W - peak surge power handling with 10/1000 μs waveform; enables robust protection against lightning-induced surges and load dump |
| RθJA | 100 °C/W - thermal resistance junction-to-ambient; determines temperature rise under sustained power dissipation on standard PCB pads |
| TJ max. | +150 °C - maximum junction temperature; supports operation in under-hood automotive environments and high-temperature industrial enclosures |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD stress per AEC specification |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, molded plastic case with matte tin-plated leads solderable per J-STD-002. Bidirectional construction means no cathode/anode marking; terminals are symmetrical.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode / Cathode (bidirectional) | Either terminal serves as input/output for transient energy; no polarity dependency in circuit layout |
| Terminal 2 | Anode / Cathode (bidirectional) | Paired terminal completes symmetrical clamping path; enables placement across differential or single-ended lines without orientation check |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without external polarity management |
| 600 W peak pulse power | Supports IEC 61000-4-5 Level 4 surge immunity (4 kV line-earth) when properly mounted on 5 mm × 5 mm copper pads |
| AEC-Q101 qualification | Validated for automotive powertrain, body electronics, and ADAS modules requiring extended lifetime and stress resilience |
| MSL Level 1 | Allows unlimited floor life and standard reflow profile (260 °C peak) without dry-pack or baking requirements |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ESD > 15 kV contact discharge) |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input |
|---|---|
Use Scenario: Protects microcontroller GPIOs and LIN bus transceivers from load-dump spikes and battery reversal transients in 12 V vehicle electrical systems. IC Role / Device Role / Timing Role: Bidirectional TVS clamps both positive and negative excursions on shared signal/power rails. Use Value: Prevents latch-up or permanent damage to 5 V logic interfaces during ISO 16750-2 pulse 5a (35 V/200 ms) events. |
Use Scenario: Shields 24 V DC digital input channels from inductive kickback caused by relay or solenoid de-energization in factory automation cabinets. IC Role / Device Role / Timing Role: Fast-response voltage clamp placed across input terminals upstream of optocoupler isolation stage. Use Value: Limits transient voltage to <12.1 V, ensuring optocoupler LED remains within safe forward-bias range and avoids false triggering. |
| Consumer Appliance Motor Driver | Telecom Power Supply Monitoring |
Use Scenario: Installed across H-bridge gate drive signals in smart washing machine motor controllers to suppress shoot-through-induced ringing. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp absorbs sub-100 ns voltage spikes without distorting PWM timing integrity. Use Value: Maintains MOSFET gate oxide reliability by preventing VGS excursion beyond ±20 V absolute maximum rating. |
Use Scenario: Applied to 48 V telecom power feed monitoring lines to guard against lightning-induced surges entering via outdoor cabling. IC Role / Device Role / Timing Role: Primary front-end transient suppressor in multi-stage protection architecture ahead of precision voltage reference ICs. Use Value: Clamps incoming surge to ≤12.1 V before secondary TVS or crowbar circuit engages, reducing system response latency and energy burden. |
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 49.2 A; same SMB package but lower clamping threshold and tighter VBR tolerance (7.6–8.4 V) | Suitable for tighter 5 V rail protection where 0.2 V lower VWM improves noise margin | Select when precise 8.0 V standoff is required and AEC-Q101 is not mandatory |
| 1.5SMC8.2CA | Same VWM/VC specs but in larger SMC (DO-214AB) package; RθJA = 50 °C/W vs. 100 °C/W; higher IPPM (52.6 A) | Better thermal performance in high-duty-cycle surge environments; requires larger PCB footprint | Choose when board space permits and sustained surge repetition rate exceeds P6SMB's 0.01% duty cycle limit |
Compared with SMBJ8.0CA and 1.5SMC8.2CA, the P6SMB8.2CAHE3_A/I offers AEC-Q101 qualification in the smallest SMB footprint, making it optimal for space-constrained automotive modules where reliability validation and thermal budget are balanced against size constraints.
Availability
P6SMB8.2CAHE3_A/I is available at Aetrix Electronics and suitable for automotive body electronics, industrial programmable logic controllers, consumer appliance motor drives, and telecom power monitoring systems requiring stable component supply and long-term lifecycle support.
Supply support for P6SMB8.2CAHE3_A/I 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 surge protection needs in automotive, industrial, and consumer markets - engineered for automated assembly, AEC-Q101 compliance, and consistent clamping performance across temperature and surge repetition rates.
FAQ
What is the standoff voltage (VWM) of the P6SMB8.2CAHE3_A/I?
The P6SMB8.2CAHE3_A/I has a standoff voltage (VWM) of 7.02 V, meaning it remains non-conductive up to this reverse voltage level under normal operating conditions. This value ensures compatibility with 5 V and 12 V logic and power rails while maintaining sufficient margin below its 7.79–8.61 V breakdown range. The P6SMB8.2CAHE3_A/I is specified per Vishay Document 88370, Rev. 09-Jan-2024.
Is the P6SMB8.2CAHE3_A/I suitable for automotive applications?
Yes, the P6SMB8.2CAHE3_A/I is AEC-Q101 qualified and carries the "HE3" suffix indicating RoHS-compliant and automotive-grade construction. It is tested for temperature cycling, high-temperature reverse bias, and mechanical shock per AEC standards, making it appropriate for under-hood and cabin-mounted ECUs. The P6SMB8.2CAHE3_A/I operates from −65 °C to +150 °C and meets MSL Level 1 for lead-free reflow.
What does the "CA" suffix mean in P6SMB8.2CAHE3_A/I?
The "CA" suffix denotes a bidirectional configuration - the P6SMB8.2CAHE3_A/I functions identically in both polarities, eliminating the need for orientation during placement and enabling use on AC-coupled or floating lines. Unlike unidirectional "A" variants, the CA version has no cathode band marking and delivers symmetrical clamping above ±7.02 V. This is confirmed in Vishay's P6SMB datasheet section "DEVICES FOR BIDIRECTION APPLICATIONS".
What is the maximum clamping voltage (VC) of the P6SMB8.2CAHE3_A/I at rated surge current?
The P6SMB8.2CAHE3_A/I exhibits a maximum clamping voltage (VC) of 12.1 V when subjected to its rated peak pulse current (IPPM) of 49.6 A using the standard 10/1000 μs waveform. This VC value represents the highest voltage imposed on the protected circuit during surge events and is measured under defined test conditions per JEDEC standards. The P6SMB8.2CAHE3_A/I maintains this performance across its full operating temperature range.
How does the SMB (DO-214AA) package of the P6SMB8.2CAHE3_A/I affect thermal performance?
The SMB (DO-214AA) package of the P6SMB8.2CAHE3_A/I delivers a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This thermal characteristic limits continuous power dissipation to 5.0 W at TA = 50 °C and requires careful PCB layout to avoid localized overheating during repetitive surge events. The P6SMB8.2CAHE3_A/I's low-profile form factor supports high-density automated assembly without compromising surge capability.
P6SMB8.2CAHE3_A/I 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:
- Obsolete
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB8.2CAHE3_A/I FAQ
1.How can I place an order for P6SMB8.2CAHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB8.2CAHE3_A/I 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 P6SMB8.2CAHE3_A/I reliable?
The price and inventory of P6SMB8.2CAHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB8.2CAHE3_A/I is usually 5 days.
3.What payment methods are accepted for P6SMB8.2CAHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB8.2CAHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB8.2CAHE3_A/I?
P6SMB8.2CAHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB8.2CAHE3_A/I 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 P6SMB8.2CAHE3_A/I?
For technical support, including P6SMB8.2CAHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB8.2CAHE3_A/I requirements.
6.How does Aetrix verify that P6SMB8.2CAHE3_A/I is sourced from the original manufacturer or authorized distributors?
All P6SMB8.2CAHE3_A/I 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 P6SMB8.2CAHE3_A/I meets industry standards.
7.What is the process for return or replacement of P6SMB8.2CAHE3_A/I?
All P6SMB8.2CAHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB8.2CAHE3_A/I, 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 P6SMB8.2CAHE3_A/I part is unused and in its original packaging.
Return procedure for P6SMB8.2CAHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB8.2CAHE3_A/I Tags
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