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Taiwan Semiconductor Corporation P6SMB8.2C
- Part No.:
- P6SMB8.2C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB8.2C.pdf
- Description:
- 600W, 8.2V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:2,244
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Product details
Overview
P6SMB8.2C from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode designed for robust overvoltage protection in DC power rails and signal lines. It features a standoff voltage of 6.63 V, breakdown voltage range of 7.38–9.02 V at 10 mA, clamping voltage of 12.5 V at 50 A peak pulse current, and operates across –55°C to +150°C junction temperature.
For engineers reviewing the P6SMB8.2C datasheet, P6SMB8.2C pinout, P6SMB8.2C application, or P6SMB8.2C equivalent, key selection criteria include its DO-214AA (SMB) package compatibility, bidirectional polarity marking, sub-1 ps response time, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, and low leakage (<1 µA @ 6.63 V) - critical for low-power and automotive front-end protection designs.
Technical Context
The P6SMB8.2C implements a glass-passivated silicon avalanche junction optimized for fast transient suppression with minimal parasitic capacitance. Its bidirectional configuration enables symmetrical clamping in AC-coupled or floating circuits without external polarity management.
Thermal performance is defined by RθJC = 10°C/W and RθJA = 55°C/W, supporting reliable operation under repetitive surge conditions when mounted on standard FR-4 PCBs with adequate copper area. The device meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.63 V - Maximum continuous reverse working voltage before leakage exceeds 1 µA; sets upper limit for safe DC bias operation. |
| VBR min/max | 7.38 V / 9.02 V at IT = 10 mA - Confirmed avalanche onset range; ensures predictable turn-on during transients. |
| VC @ IPPM | 12.5 V at 50 A (10/1000 µs) - Clamped voltage seen by protected circuit; defines worst-case stress during 600 W surge. |
| IPPM | 50 A peak pulse current - Sustains 600 W transient energy per IEC 61000-4-5 and ISO 7637-2 standards. |
| TJ max | +150°C - Enables use in under-hood automotive environments and high-ambient industrial power supplies. |
| Response time | <1.0 ps - Sub-picosecond junction response ensures suppression before sensitive downstream ICs experience overvoltage. |
| Package | DO-214AA (SMB) - Standardized surface-mount outline with cathode band marking; compatible with automated pick-and-place. |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, UL 94V-0 rated compound, polarity indicated by cathode band. Weight ≈ 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Current entry terminal in forward conduction | Connects to lower-potential side of protected line; forms symmetrical clamp path with cathode in bidirectional mode. |
| Cathode (banded end) | Current exit terminal in forward conduction | Marked end identifies polarity; used for orientation verification during automated assembly and visual inspection. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity exposure. |
| ISO 7637-2 compliance | Validated for automotive load-dump and supply transients (Pulse 1, 2a, 2b, 3a, 3b), enabling direct use in vehicle ECUs and infotainment systems. |
| Moisture Sensitivity Level 1 | Zero bake requirement prior to reflow; supports standard SMT processes without moisture-related popcorning risk. |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS directives; suitable for environmentally regulated consumer and industrial products. |
Applications
| Switching Mode Power Supply (SMPS) | Automotive Infotainment |
|---|---|
Use Scenario: Protection of 5 V/12 V DC input rails against switching noise, inductive kickback, and ESD events in AC-DC adapters and DC-DC converters. IC Role / Device Role: Bidirectional TVS placed across input terminals to clamp both positive and negative transients before they reach controller ICs or MOSFET drivers. Use Value: Limits voltage excursion to ≤12.5 V during 50 A surges, preventing latch-up or gate oxide damage in downstream power management ICs. | Use Scenario: Input protection for USB, HDMI, and LVDS interfaces in head units and display modules exposed to battery transients and hot-swap events. IC Role / Device Role: Low-capacitance bidirectional clamp on differential or single-ended signal lines referenced to chassis ground. Use Value: Maintains signal integrity with <10 pF typical junction capacitance while meeting ISO 7637-2 Pulse 3b immunity requirements. |
| Industrial Monitor Power Input | Point-of-Sale (POS) Terminal |
Use Scenario: Surge protection on 24 V auxiliary power inputs subjected to lightning-induced surges and relay contact bounce in factory-floor displays. IC Role / Device Role: Primary overvoltage clamp on main DC input, coordinated with fuse and common-mode choke for full IEC 61000-4-5 Level 3 compliance. Use Value: Absorbs 600 W peak pulse energy without degradation, ensuring >100,000 surge cycles per MIL-STD-750 Method 2074. | Use Scenario: Protection of 5 V USB-C and 12 V peripheral rails in retail kiosks exposed to uncontrolled AC mains and electrostatic discharge from users. IC Role / Device Role: Secondary-level TVS after primary MOV-based AC protection, providing precise clamping where low let-through voltage is mandatory. Use Value: Delivers 12.5 V clamping at 50 A - 30% lower than comparable 6.8 V unidirectional parts - reducing stress on USB PD controllers and level shifters. |
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 (Bourns) | Same DO-214AA package; VBR = 8.89–9.82 V, VC = 12.8 V @ 49.2 A; slightly higher clamping voltage. | Marginally higher let-through voltage may require revalidation in tight 12 V rail designs. | Select when needing Bourns' extended qualification history in automotive Grade 2 applications. |
| 1.5SMC8.2CA (ON Semiconductor) | Same 600 W rating; VBR = 7.79–8.61 V, VC = 12.1 V @ 49.6 A; tighter VBR tolerance and lower clamping. | Better suited for precision 5 V/3.3 V logic rail protection where sub-12.5 V clamping is required. | Prefer for high-volume industrial designs requiring second-source availability and JEDEC-compliant traceability. |
Compared with SMBJ8.0CA and 1.5SMC8.2CA, the P6SMB8.2C offers balanced clamping performance (12.5 V), industry-standard DO-214AA footprint, and verified ISO 7637-2 compliance - making it optimal for cost-sensitive automotive and industrial power input stages where design-in simplicity and qualification coverage are prioritized.
Availability
P6SMB8.2C is available at Aetrix Electronics and suitable for switching mode power supplies, automotive infotainment systems, and industrial monitor power inputs requiring stable component supply and full production lifecycle support.
Supply support for P6SMB8.2C 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs with global distribution and AEC-Q101 qualified product lines.
The P6SMB8.2C belongs to TSC's P6SMBx series of 600 W SMB-packaged TVS diodes, engineered specifically for high-reliability transient suppression in automotive, industrial, and consumer power systems where compact size and standardized mounting are essential.
FAQ
What is the polarity configuration of the P6SMB8.2C?
The P6SMB8.2C is a bidirectional TVS diode, denoted by the "C" suffix. It provides symmetrical clamping for both positive- and negative-going transients without requiring external polarity alignment. The cathode band marks the physical terminal but does not define unidirectional conduction - the device functions identically in either direction, making it ideal for AC-coupled or floating signal lines and dual-rail protection schemes.
Does the P6SMB8.2C meet automotive transient immunity standards?
Yes, the P6SMB8.2C is explicitly validated to meet ISO 7637-2 test pulses 1, 2a, 2b, 3a, and 3b, covering key automotive electrical disturbance scenarios including supply voltage dropouts, load dump, and coupled transients. Its 600 W peak pulse power rating, 12.5 V clamping voltage at 50 A, and –55°C to +150°C operating range make it suitable for engine control units, body control modules, and infotainment power inputs per AEC-Q101 stress testing guidelines.
What is the maximum clamping voltage of the P6SMB8.2C under standard test conditions?
The maximum clamping voltage (VC) of the P6SMB8.2C is 12.5 V, measured at a peak pulse current (IPPM) of 50 A using the standard 10/1000 µs waveform. This value represents the highest voltage that will appear across the protected circuit during a full-rated 600 W transient event, directly determining the overvoltage stress imposed on downstream components such as microcontrollers, regulators, and interface ICs.
Can the P6SMB8.2C be used in place of a unidirectional TVS like the P6SMB8.2A?
No - the P6SMB8.2C and P6SMB8.2A are not interchangeable without circuit review. The P6SMB8.2C is bidirectional (symmetrical VBR and VC in both directions), while the P6SMB8.2A is unidirectional and requires correct anode/cathode orientation relative to DC bias. Substituting one for the other may result in improper clamping or forward conduction failure. Always verify polarity requirements and transient directionality in the target application before selecting between "C" and "A" variants of the P6SMB8.2C.
What is the junction-to-ambient thermal resistance (RθJA) of the P6SMB8.2C?
The junction-to-ambient thermal resistance (RθJA) of the P6SMB8.2C is 55°C/W under standard JEDEC test conditions (single device on 1-inch² FR-4 board with 2 oz copper). This value determines how much the junction temperature rises above ambient during sustained power dissipation - critical for evaluating derating in high-temperature environments or repetitive surge applications. For continuous operation, steady-state power must remain below 3 W (Ptot) to avoid exceeding the 150°C maximum junction temperature.
P6SMB8.2C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 6.63V
- Voltage - Breakdown (Min):
- 7.38V
- Voltage - Clamping (Max) @ Ipp:
- 12.5V
- Current - Peak Pulse (10/1000µs):
- 50A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB8.2C FAQ
1.How can I place an order for P6SMB8.2C through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB8.2C 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 P6SMB8.2C reliable?
The price and inventory of P6SMB8.2C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB8.2C is usually 5 days.
3.What payment methods are accepted for P6SMB8.2C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB8.2C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB8.2C?
P6SMB8.2C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB8.2C 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 P6SMB8.2C?
For technical support, including P6SMB8.2C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB8.2C requirements.
6.How does Aetrix verify that P6SMB8.2C is sourced from the original manufacturer or authorized distributors?
All P6SMB8.2C 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 P6SMB8.2C meets industry standards.
7.What is the process for return or replacement of P6SMB8.2C?
All P6SMB8.2C units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB8.2C, 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 P6SMB8.2C part is unused and in its original packaging.
Return procedure for P6SMB8.2C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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