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Taiwan Semiconductor Corporation P6SMB100CA
- Part No.:
- P6SMB100CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB100CA.pdf
- Description:
- TVS DIODE 85.5VWM 137VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,588
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Product details
Overview
P6SMB100CA from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode designed for overvoltage protection in DC power lines and signal paths. It features a standoff voltage of 81.0 V, breakdown voltage range of 90–110 V at 1 mA test current, clamping voltage of 144 V at 4.3 A peak pulse current, and operates across –55°C to +150°C junction temperature.
For engineers reviewing the P6SMB100CA datasheet, P6SMB100CA pinout, P6SMB100CA application, or P6SMB100CA equivalent, key selection criteria include bidirectional clamping performance under ISO 7637-2 Pulse 1/2a/2b/3a/3b, low leakage (<1 µA @ 81 V), DO-214AA (SMB) package compatibility with automated placement, and thermal resistance (RθJA = 55°C/W) for board-level power dissipation planning.
Technical Context
The P6SMB100CA implements a glass-passivated silicon junction optimized for fast transient suppression, with typical response time <1.0 ps from 0 V to VBR(min). Its bidirectional configuration enables symmetrical clamping in AC-coupled or floating systems without polarity constraints.
It meets ISO 7637-2 for automotive transients and complies with J-STD-020 moisture sensitivity level 1. The device uses a single-die DO-214AA (SMB) package with matte tin-plated leads, UL 94V-0 molding compound, and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 81.0 V - Maximum continuous reverse operating voltage before significant leakage begins |
| VBR (min/max) | 90–110 V @ 1 mA - Confirmed breakdown threshold ensures reliable turn-on during surges above system rail |
| VC @ IPPM | 144 V @ 4.3 A - Clamping voltage limits downstream component stress during 10/1000 µs transients |
| PPPSM | 600 W - Peak pulse power rating defines maximum surge energy absorption capability |
| IR @ VWM | <1 µA - Ultra-low leakage preserves efficiency in high-impedance bias or sensing circuits |
| TJ max | +150°C - Enables operation in under-hood automotive or enclosed industrial environments |
| RθJA | 55°C/W - Thermal resistance informs PCB copper area and airflow requirements for sustained power handling |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, bidirectional, cathode band not applicable (symmetrical terminals).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (bidirectional) | Transient conduction path | Either terminal serves as anode or cathode depending on instantaneous polarity - no fixed polarity marking required |
| Case / Body | Thermal and mechanical interface | DO-214AA molded body provides mechanical robustness and 0.090 g mass for reflow compatibility |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables use in AC, differential, or floating bus protection without external polarity management |
| ISO 7637-2 compliance | Validated for automotive load dump and switching transient immunity (Pulse 1/2a/2b/3a/3b) |
| Glass passivated junction | Improves long-term reliability and stability of VBR under thermal cycling and humidity exposure |
| Moisture sensitivity level 1 | Eliminates bake requirements prior to reflow, reducing manufacturing cost and process complexity |
| RoHS & halogen-free | Meets IEC 61249-2-21 and environmental compliance mandates for global electronics markets |
Applications
| Switching Mode Power Supply (SMPS) | Automotive Infotainment System |
|---|---|
Use Scenario: Protection of 12 V/24 V DC input rails against load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Transient voltage suppressor placed across input terminals to clamp surges before they reach DC-DC controllers and gate drivers. Use Value: Limits voltage excursion to ≤144 V during 600 W transients, preventing latch-up or destruction of upstream MOSFETs and PWM ICs. | Use Scenario: Surge suppression on USB, LVDS, or CAN-FD data lines exposed to ESD and conducted noise in vehicle cabins. IC Role / Device Role / Timing Role: Bidirectional TVS placed at connector entry points to shunt fast transients while preserving signal integrity. Use Value: Sub-1 ps response and <1 µA leakage ensure minimal impact on high-speed signaling margins and standby current budgets. |
| Industrial Motor Drive Control Board | AC-DC Adapter Secondary Side |
Use Scenario: Input protection for isolated feedback circuits and microcontroller I/O pins connected to field sensors. IC Role / Device Role / Timing Role: Low-leakage TVS safeguarding analog inputs and digital GPIOs from ground bounce and coupling-induced spikes. Use Value: 81 V standoff and 144 V clamping provide margin above 48 V nominal bus while maintaining sub-µA bias current error. | Use Scenario: Output overvoltage protection on regulated 5 V/12 V secondary rails feeding consumer electronics. IC Role / Device Role / Timing Role: Clamp device placed across output capacitor to prevent damage during regulator fault or transformer saturation events. Use Value: 600 W peak power rating absorbs energy from short-duration faults without thermal runaway or parametric shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ100CA | Same DO-214AA package; 600 W rating; VBR = 111–122 V; VC = 162 V @ 3.7 A | Higher clamping voltage reduces margin for 100 V-class systems; lower IPPM | Select when higher VBR tolerance is acceptable and layout allows minor derating of protected circuitry |
| 1.5KE100CA | Through-hole DO-15; 1500 W rating; VBR = 105–116 V; VC = 165 V @ 9.1 A | Larger footprint and manual assembly requirement; higher surge capacity but no SMT compatibility | Choose for legacy through-hole designs or where >1 kW surge headroom is mandatory and space permits |
Compared with SMBJ100CA and 1.5KE100CA, the P6SMB100CA offers tighter VBR (90–110 V), lower clamping (144 V), and surface-mount readiness - making it optimal for space-constrained, high-volume automotive and industrial PCBs requiring precise 100 V-level protection.
Availability
P6SMB100CA is available at Aetrix Electronics and suitable for switching mode power supplies, automotive infotainment interfaces, and industrial motor control boards requiring stable component supply and full compliance with ISO 7637-2 and RoHS standards.
Supply support for P6SMB100CA 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 for industrial, automotive, and consumer applications.
The P6SMB series belongs to TSC's surface-mount TVS platform engineered specifically for high-reliability transient suppression in harsh environments - emphasizing low leakage, fast response, and AEC-Q200-aligned robustness.
FAQ
What is the maximum clamping voltage of the P6SMB100CA under standard 10/1000 µs surge conditions?
The P6SMB100CA has a maximum clamping voltage (VC) of 144 V when subjected to its rated peak pulse current of 4.3 A using the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures predictable voltage limiting during automotive and industrial transients. The P6SMB100CA maintains this clamping performance across its full operating temperature range.
Is the P6SMB100CA suitable for bidirectional signal line protection?
Yes, the P6SMB100CA is explicitly designed for bidirectional operation, as indicated by the "CA" suffix and confirmed in the datasheet's "Devices for Bipolar Applications" section. Its symmetrical breakdown characteristics allow it to protect AC-coupled, differential, or floating data lines - such as USB, RS-485, or CAN - without polarity concerns. The P6SMB100CA delivers identical clamping in both directions.
Does the P6SMB100CA meet automotive transient immunity standards?
Yes, the P6SMB100CA is specified to meet ISO 7637-2 for automotive electrical disturbances, covering Pulse 1 (inductive load disconnect), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupled noise). This validation is documented in the official Taiwan Semiconductor datasheet (Version Q2209) and supports deployment in engine control units, body electronics, and infotainment modules.
What is the thermal resistance from junction to ambient for the P6SMB100CA in standard PCB mounting?
The P6SMB100CA has a junction-to-ambient thermal resistance (RθJA) of 55°C/W under standard JEDEC test conditions (single-layer 1 in² copper pad). This value assumes typical SMB footprint layout and natural convection; actual RθJA improves with added copper area or forced airflow. The P6SMB100CA's RθJC is 10°C/W, enabling effective heat transfer to internal ground planes.
How does the P6SMB100CA differ from the unidirectional P6SMB100C?
The P6SMB100CA is bidirectional, while the P6SMB100C is unidirectional. Per the datasheet, the "CA" suffix denotes symmetrical clamping in both polarities, whereas "C" devices have a defined cathode band and only conduct in reverse bias. The P6SMB100CA eliminates polarity marking and orientation checks during assembly - critical for automated placement of differential or AC signals. Both share identical VWM, VBR, and PPPSM ratings.
P6SMB100CA 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):
- 85.5V
- Voltage - Breakdown (Min):
- 95V
- Voltage - Clamping (Max) @ Ipp:
- 137V
- Current - Peak Pulse (10/1000µs):
- 4.5A
- 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)
P6SMB100CA FAQ
1.How can I place an order for P6SMB100CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB100CA 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 P6SMB100CA reliable?
The price and inventory of P6SMB100CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB100CA is usually 5 days.
3.What payment methods are accepted for P6SMB100CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB100CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB100CA?
P6SMB100CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB100CA 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 P6SMB100CA?
For technical support, including P6SMB100CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB100CA requirements.
6.How does Aetrix verify that P6SMB100CA is sourced from the original manufacturer or authorized distributors?
All P6SMB100CA 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 P6SMB100CA meets industry standards.
7.What is the process for return or replacement of P6SMB100CA?
All P6SMB100CA units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB100CA, 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 P6SMB100CA part is unused and in its original packaging.
Return procedure for P6SMB100CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB100CA Tags
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