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Vishay General Semiconductor - Diodes Division P6SMB82CAHM3/H
- Part No.:
- P6SMB82CAHM3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB82CAHM3/H.pdf
- Description:
- TVS DIODE 70.1VWM 113VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,562
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Product details
Overview
P6SMB82CAHM3/H 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 70.1 V standoff voltage (VWM), 77.9–86.1 V breakdown voltage (VBR) at 1 mA, 113 V maximum clamping voltage (VC) at 5.3 A peak pulse current, and 600 W peak pulse power capability with a 10/1000 µs waveform - deployed in automotive-grade protection circuits for sensor interfaces and power rails.
For engineers reviewing the P6SMB82CAHM3/H datasheet, P6SMB82CAHM3/H pinout, P6SMB82CAHM3/H application, or P6SMB82CAHM3/H equivalent, this device is selected for bidirectional overvoltage protection where AEC-Q101 qualification, low incremental surge resistance, and MSL Level 1 reflow compatibility are required in harsh-environment electronics.
Technical Context
The P6SMB82CAHM3/H operates as a symmetrical avalanche diode, conducting in both directions when reverse voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable VBR tolerance (±5%) and fast response time (<1 ns), enabling effective suppression of ESD, lightning-induced surges, and inductive switching transients.
Thermally, it supports operation from –65 °C to +150 °C with a junction-to-ambient thermal resistance of 100 °C/W (on standard 0.2" × 0.2" copper pads). The halogen-free, RoHS-compliant HM3 suffix confirms AEC-Q101 qualification and JESD201 Class 2 whisker resistance - critical for automotive and industrial reliability validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 70.1 V - Maximum continuous reverse voltage before significant leakage; defines operating margin below clamping threshold. |
| VBR (Breakdown) | 77.9–86.1 V at 1 mA - Guaranteed avalanche initiation range; ensures predictable turn-on under transient stress. |
| VC (Clamping) | 113 V at 5.3 A (10/1000 µs) - Peak voltage seen by protected circuit during worst-case surge; limits downstream stress. |
| PPPM | 600 W - Sustains high-energy transients without failure; validated per IEC 61000-4-5 surge standards. |
| IPPM | 5.3 A - Peak surge current capability at rated clamping voltage; determines minimum trace width and layout robustness. |
| TJ max. | +150 °C - Enables use in under-hood automotive environments and high-ambient industrial enclosures. |
| Package | SMB (DO-214AA) - Low-profile SMT package (4.57 mm × 3.94 mm) compatible with automated placement and reflow up to 260 °C. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional - no polarity marking; symmetrical terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically; conducts bidirectionally when voltage exceeds ±VBR, eliminating orientation constraints during placement. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or differential signal lines (e.g., CAN, RS-485) without polarity concerns. |
| AEC-Q101 qualified (HM3) | Validated for automotive applications including engine control modules and ADAS sensor interfaces requiring zero-failure reliability. |
| 600 W peak pulse power | Withstands IEC 61000-4-5 Level 4 (4 kV) surge events on 2 Ω source impedance without degradation. |
| MSL Level 1, 260 °C peak reflow | Supports standard lead-free reflow profiles without moisture-related popcorning or delamination risks. |
| Halogen-free & RoHS-compliant | Meets automotive OEM environmental requirements (e.g., GMW3172, Ford WSS-M99P9999-A1) and EU compliance mandates. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
|
Use Scenario: Protecting analog output lines of temperature/pressure sensors in engine bay modules exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector entry point to shunt transients before reaching ADC input or op-amp buffer. Use Value: Maintains signal integrity under 12 V system load dump (ISO 16750-2) by limiting voltage to ≤113 V, preventing latch-up or damage to 16-bit SAR ADCs. |
Use Scenario: Safeguarding 24 V DC digital input channels on programmable logic controllers against field-wiring induced surges and relay coil flyback. IC Role / Device Role / Timing Role: Standoff-clamp TVS mounted across input terminals to absorb repetitive 10/1000 µs transients from inductive loads. Use Value: Enables >100,000 surge cycles at 5.3 A without parameter shift, extending maintenance intervals in factory automation systems. |
| Telecom Line Interface | Consumer Power Adapter Output |
|
Use Scenario: Shielding RS-485 transceiver bus lines in outdoor telecom cabinets from lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Paired bidirectional TVS devices on A/B lines referenced to ground, forming low-inductance surge path. Use Value: Clamps differential surges to <150 V while preserving signal rise/fall times due to sub-1 ns response and <100 pF junction capacitance. |
Use Scenario: Secondary-side overvoltage suppression on 5 V/12 V USB-C PD adapter outputs subjected to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Final-stage TVS between output capacitor and connector to prevent voltage overshoot during dynamic load steps. Use Value: Limits output rail excursion to 113 V during 30 kV ESD contact discharge (IEC 61000-4-2), protecting connected mobile devices. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ85CA | Higher VWM (72.2 V), higher VC (121 V), same SMB package but lower PPPM (400 W). | Limited to lower-energy transients; not AEC-Q101 qualified. | Select when cost sensitivity outweighs automotive qualification and 600 W surge headroom. |
| 1.5KE82CA | Through-hole DO-201 package, identical VWM/VBR/VC, 600 W rating, but no AEC-Q101 or MSL Level 1 support. | Requires manual assembly or wave solder; unsuitable for high-density SMT automotive PCBs. | Choose only for legacy through-hole designs or prototyping where reflow compatibility is irrelevant. |
Compared with SMAJ85CA and 1.5KE82CA, the P6SMB82CAHM3/H delivers verified AEC-Q101 qualification, halogen-free compliance, and full MSL Level 1 process readiness - making it the sole option for production automotive SMT designs requiring zero-rework surge immunity.
Availability
P6SMB82CAHM3/H is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, telecom line drivers, and consumer power adapter outputs requiring stable component supply with guaranteed long-term lifecycle support.
Supply support for P6SMB82CAHM3/H 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and telecom systems - engineered for robustness under repetitive surge stress and extended thermal cycling.
FAQ
What does the "CA" suffix indicate in P6SMB82CAHM3/H?
The "CA" suffix denotes a bidirectional configuration - meaning the P6SMB82CAHM3/H provides symmetrical clamping in both polarities, unlike unidirectional variants (e.g., P6SMB82AHM3/H) that conduct only in reverse bias. This makes P6SMB82CAHM3/H ideal for protecting AC signals, differential buses, or any line where voltage polarity may reverse during fault conditions.
Is P6SMB82CAHM3/H suitable for automotive applications?
Yes - the "HM3" suffix certifies that P6SMB82CAHM3/H is halogen-free, RoHS-compliant, and AEC-Q101 qualified. It has passed stress tests including temperature cycling, humidity bias, and high-acceleration life testing required for under-hood and chassis-mounted automotive electronics, confirming suitability for production ECUs and ADAS sensor nodes.
What is the maximum clamping voltage of P6SMB82CAHM3/H under surge conditions?
The maximum clamping voltage (VC) of P6SMB82CAHM3/H is 113 V at 5.3 A peak pulse current with a 10/1000 µs waveform. This value is measured per JEDEC standards and represents the highest voltage imposed on the protected circuit during a standardized surge event - a key parameter for ensuring downstream ICs remain within absolute maximum ratings.
How does the SMB package of P6SMB82CAHM3/H compare to SMA or SMC packages?
The SMB (DO-214AA) package of P6SMB82CAHM3/H measures 4.57 mm × 3.94 mm - smaller than SMC (DO-214AB) but larger than SMA (DO-214AC). It offers optimal trade-off between surge handling (600 W), board space, and thermal dissipation, supporting reflow up to 260 °C (MSL Level 1), unlike some smaller packages with lower power ratings or tighter thermal limits.
Does P6SMB82CAHM3/H require external series impedance for effective protection?
No - P6SMB82CAHM3/H functions as a shunt protector and does not require series impedance to operate, but adding a small series resistor or ferrite bead upstream improves energy sharing and reduces diode stress during multi-pulse events. Layout best practice places P6SMB82CAHM3/H as close as possible to the protected port with minimal trace inductance to preserve its <1 ns response advantage.
P6SMB82CAHM3/H 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):
- 70.1V
- Voltage - Breakdown (Min):
- 77.9V
- Voltage - Clamping (Max) @ Ipp:
- 113V
- Current - Peak Pulse (10/1000µs):
- 5.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB82CAHM3/H FAQ
1.How can I place an order for P6SMB82CAHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB82CAHM3/H 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 P6SMB82CAHM3/H reliable?
The price and inventory of P6SMB82CAHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB82CAHM3/H is usually 5 days.
3.What payment methods are accepted for P6SMB82CAHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB82CAHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB82CAHM3/H?
P6SMB82CAHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB82CAHM3/H 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 P6SMB82CAHM3/H?
For technical support, including P6SMB82CAHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB82CAHM3/H requirements.
6.How does Aetrix verify that P6SMB82CAHM3/H is sourced from the original manufacturer or authorized distributors?
All P6SMB82CAHM3/H 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 P6SMB82CAHM3/H meets industry standards.
7.What is the process for return or replacement of P6SMB82CAHM3/H?
All P6SMB82CAHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB82CAHM3/H, 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 P6SMB82CAHM3/H part is unused and in its original packaging.
Return procedure for P6SMB82CAHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB82CAHM3/H Tags
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