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Taiwan Semiconductor Corporation P6SMB47CA
- Part No.:
- P6SMB47CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB47CA.pdf
- Description:
- TVS DIODE 40.2VWM 64.8VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,150
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Product details
Overview
P6SMB47CA 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 40.2 V, breakdown voltage range of 44.7–49.4 V at 1 mA test current, clamping voltage of 64.8 V at 9.7 A peak pulse current, and operates across –55°C to +150°C junction temperature. It is used in switching mode power supplies, adapters, and display electronics to absorb ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB47CA datasheet, P6SMB47CA pinout, P6SMB47CA application, or P6SMB47CA equivalent, key selection criteria include bidirectional clamping performance, 600W peak pulse power rating, DO-214AA (SMB) package compatibility with automated placement, low leakage (<1 µA @ 40.2 V), and compliance with automotive transient immunity standards.
Technical Context
The P6SMB47CA employs a glass-passivated silicon junction optimized for fast transient response (<1.0 ps rise time from 0 V to VBR min) and stable clamping under repetitive surge conditions. Its bidirectional configuration enables symmetrical protection without polarity sensitivity, making it suitable for AC-coupled or floating bus applications.
Thermal design is supported by RθJC = 10°C/W and RθJA = 55°C/W, enabling reliable operation at up to 3 W steady-state dissipation. The device meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1, confirming suitability for lead-free reflow assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 40.2 V - Maximum continuous reverse working voltage before leakage exceeds 1 µA; defines safe operating DC bias limit. |
| VBR (min/max) | 44.7 V / 49.4 V - Breakdown occurs within this range at 1 mA test current; ensures predictable turn-on threshold. |
| VC @ IPPM | 64.8 V @ 9.7 A - Clamped voltage during 10/1000 µs surge; determines maximum protected circuit stress. |
| PPPSM | 600 W - Peak pulse power handling per single 10/1000 µs waveform; supports high-energy transient suppression. |
| IR @ VWM | <1 µA - Reverse leakage at rated standoff voltage; minimizes standby power loss and signal distortion. |
| TJ max | +150°C - Maximum junction temperature; enables use in high-ambient industrial and automotive under-hood environments. |
| Package | DO-214AA (SMB) - Standardized surface-mount outline with 0.090 g mass; compatible with JEDEC-compliant pick-and-place and reflow profiles. |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, polarity indicated by cathode band; meets UL 94V-0 flammability and J-STD-002 solderability requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Cathode Band Side) | Reference terminal for bidirectional conduction | Marked end serves as common reference; symmetric structure allows either terminal to act as anode or cathode depending on transient polarity. |
| Cathode (Cathode Band Side) | Reference terminal for bidirectional conduction | Same physical terminal as Anode in bidirectional configuration; no functional distinction-device conducts identically in both directions. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Electrical characteristics apply identically in both directions-enables single-device protection of AC or floating DC lines without polarity concerns. |
| Fast response time | <1.0 ps rise time from 0 V to VBR min-ensures clamping activation before sensitive downstream components experience overvoltage damage. |
| Automated placement support | Low-profile DO-214AA (SMB) package with J-STD-002-compliant terminations-designed for high-yield SMT assembly in volume production. |
| Automotive transient compliance | Fully meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements-validated for use in vehicle power network protection. |
| Environmental compliance | RoHS compliant and halogen-free per IEC 61249-2-21-supports green manufacturing and end-of-life recycling mandates. |
Applications
| Switching Mode Power Supply (SMPS) | AC-DC Adapters |
|---|---|
Use Scenario: Protection of primary-side DC bus and secondary-side output rails against load dump, inductive kickback, and ESD events. IC Role / Device Role / Timing Role: Standoff-clamp TVS placed across input/output terminals to shunt transient energy before it reaches PWM controllers or rectifiers. Use Value: Limits voltage excursion to ≤64.8 V during 10/1000 µs surges, preserving reliability of 65 V-rated MOSFETs and optocouplers in compact SMPS designs. | Use Scenario: Input-stage surge suppression in wall-mounted and desktop AC-DC adapters subject to line transients and lightning-induced surges. IC Role / Device Role / Timing Role: Bidirectional clamping element between L/N lines or across DC output to prevent overvoltage propagation to connected devices. Use Value: Withstands 600 W peak pulses while maintaining <1 µA leakage at 40.2 V, ensuring low standby power and long-term stability in unattended adapter deployments. |
| Flat Panel TV Power Board | Monitor Backlight Inverter |
Use Scenario: Protection of main 12 V/24 V logic and panel supply rails against ESD and hot-swap transients during field service or cable insertion. IC Role / Device Role / Timing Role: Secondary-side TVS mounted near connector interfaces and DC-DC converter inputs to clamp fast-rising transients before they couple into video processing ICs. Use Value: Glass-passivated junction ensures stable VBR over temperature (0.101 %/°C coefficient), maintaining consistent protection margin across wide ambient ranges in consumer enclosures. | Use Scenario: Surge suppression on CCFL or LED backlight driver outputs exposed to open-circuit arcing and transformer flyback spikes. IC Role / Device Role / Timing Role: High-energy clamping device placed across inverter output terminals to absorb inductive energy from lamp disconnection events. Use Value: 64.8 V clamping voltage prevents breakdown of 60 V-rated gate drivers and sense resistors, extending inverter module lifetime in commercial displays. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ47CA (Bourns) | Identical DO-214AA package, same 40.2 V VWM, 44.7–49.4 V VBR, and 64.8 V VC; rated for same 600 W PPPM but with slightly higher RθJA (60°C/W vs. 55°C/W). | Validated for identical ISO 7637-2 pulses; widely used in automotive infotainment modules where Bourns qualification history is preferred. | Select SMBJ47CA when qualifying to OEM-specific AEC-Q200 derivative test plans requiring Bourns-part pedigree. |
| 1.5SMC47CA (ON Semiconductor) | Same electrical specs and DO-214AA footprint; differs in thermal resistance (RθJA = 50°C/W) and moisture sensitivity level (MSL 2a vs. MSL 1). | Approved for industrial motor drives with extended thermal cycling; requires bake-out prior to reflow if stored >1 year. | Choose 1.5SMC47CA for cost-sensitive industrial BOMs where tighter thermal performance offsets MSL handling overhead. |
Compared with P6SMB47CA, SMBJ47CA offers equivalent clamping and surge capability with marginally reduced thermal efficiency, while 1.5SMC47CA delivers better junction-to-ambient cooling but requires stricter humidity control-making P6SMB47CA optimal for high-reliability, no-bake SMT lines with MSL-1 logistics.
Availability
P6SMB47CA is available at Aetrix Electronics and suitable for switching mode power supplies, AC-DC adapters, and flat-panel display electronics requiring stable component supply, automotive-grade transient immunity, and RoHS-compliant packaging.
Supply support for P6SMB47CA 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 Company (TSC) is a vertically integrated Taiwanese semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs for industrial, computing, and consumer markets.
The P6SMB47CA belongs to TSC's P6SMBx(A) family of 600W SMB-packaged TVS diodes engineered specifically for high-energy transient suppression in automotive and industrial power systems with stringent ISO 7637-2 compliance requirements.
FAQ
What is the clamping voltage of the P6SMB47CA under standard 10/1000 µs surge conditions?
The P6SMB47CA has a maximum clamping voltage (VC) of 64.8 V when subjected to its rated peak pulse current of 9.7 A using the standardized 10/1000 µs waveform. This value is measured at TA = 25°C and defines the upper voltage limit imposed on protected circuits during transient events. The P6SMB47CA maintains this clamping performance consistently due to its glass-passivated junction and thermally optimized DO-214AA package.
Is the P6SMB47CA suitable for automotive applications requiring ISO 7637-2 compliance?
Yes, the P6SMB47CA is explicitly rated to meet ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements per Taiwan Semiconductor's official documentation. Its 600 W peak pulse power rating, fast <1.0 ps response time, and bidirectional clamping behavior make it appropriate for protecting ECUs, infotainment systems, and body control modules against conducted transients on 12 V and 24 V vehicle networks. The P6SMB47CA's MSL 1 rating further supports robust reflow assembly in automotive-tier production lines.
How does the "CA" suffix in P6SMB47CA indicate device configuration?
Within the P6SMBx(A) series, the "CA" suffix denotes a bidirectional TVS diode configuration-meaning the P6SMB47CA provides symmetrical clamping in both forward and reverse directions, with identical VBR, VC, and IPPM specifications regardless of polarity. This contrasts with "A"-suffixed unidirectional parts (e.g., P6SMB47A), which conduct only in reverse bias. The P6SMB47CA's bidirectional nature eliminates polarity marking concerns and simplifies layout in AC-coupled or floating bus protection schemes.
What is the maximum steady-state power dissipation rating for the P6SMB47CA at room temperature?
The P6SMB47CA has a steady-state power dissipation (Ptot) rating of 3 W at ambient temperature (TA) = 25°C. This value reflects continuous DC or low-frequency power handling capability-not transient surge capacity-and must be derated linearly above 25°C per the published thermal derating curve. Engineers designing thermal management for the P6SMB47CA should reference its RθJA = 55°C/W and RθJC = 10°C/W to ensure junction temperature remains below +150°C under worst-case operating conditions.
Does the P6SMB47CA require special handling or baking before reflow soldering?
No, the P6SMB47CA is rated Moisture Sensitivity Level (MSL) 1 per J-STD-020, meaning it may be stored indefinitely at ambient conditions ≤30°C/60% RH without baking or dry-pack requirements. This eliminates pre-reflow bake cycles and simplifies SMT line integration-unlike MSL 2a or higher alternatives such as 1.5SMC47CA. The P6SMB47CA's MSL 1 status directly supports high-throughput, no-interruption manufacturing for consumer and industrial electronics producers.
P6SMB47CA 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):
- 40.2V
- Voltage - Breakdown (Min):
- 44.7V
- Voltage - Clamping (Max) @ Ipp:
- 64.8V
- Current - Peak Pulse (10/1000µs):
- 9.7A
- 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)
P6SMB47CA FAQ
1.How can I place an order for P6SMB47CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB47CA 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 P6SMB47CA reliable?
The price and inventory of P6SMB47CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB47CA is usually 5 days.
3.What payment methods are accepted for P6SMB47CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB47CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB47CA?
P6SMB47CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB47CA 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 P6SMB47CA?
For technical support, including P6SMB47CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB47CA requirements.
6.How does Aetrix verify that P6SMB47CA is sourced from the original manufacturer or authorized distributors?
All P6SMB47CA 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 P6SMB47CA meets industry standards.
7.What is the process for return or replacement of P6SMB47CA?
All P6SMB47CA units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB47CA, 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 P6SMB47CA part is unused and in its original packaging.
Return procedure for P6SMB47CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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