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Taiwan Semiconductor Corporation P6SMB10A
- Part No.:
- P6SMB10A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB10A.pdf
- Description:
- TVS DIODE 8.55VWM 14.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,177
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Product details
Overview
P6SMB10A from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a breakdown voltage range of 9.5–10.5 V, clamping voltage of 14.5 V at 43 A peak pulse current, and stand-off voltage of 8.55 V. It protects DC power rails in switching mode power supplies, adapters, and display electronics against ESD and surge events per ISO 7637-2 Pulse 1/2a/2b/3a/3b.
For engineers reviewing the P6SMB10A datasheet, P6SMB10A pinout, P6SMB10A application, or P6SMB10A equivalent, key selection criteria include its 14.5 V clamping performance at 43 A, <1 µA leakage at 8.55 V, DO-214AA (SMB) package compatibility with automated placement, and compliance with J-STD-020 Level 1 moisture sensitivity.
Technical Context
The P6SMB10A operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its minimum breakdown threshold of 9.5 V at 1.0 mA test current. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low temperature coefficient (0.073 %/°C), enabling predictable clamping across industrial temperature ranges (−55 °C to +150 °C).
With a 10/1000 µs waveform rating of 600 W peak pulse power and thermal resistance of 55 °C/W (junction-to-ambient), the device sustains transient energy without thermal runaway under repetitive surge conditions typical in automotive and industrial power input stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 9.5 V / 10.5 V - Ensures reliable turn-on above 8.55 V operating rail while avoiding false triggering |
| VWM | 8.55 V - Maximum continuous reverse voltage before leakage exceeds 10 µA |
| VC @ IPPM | 14.5 V at 43 A - Limits downstream IC voltage stress during 10/1000 µs transients |
| IPPM | 43 A - Peak surge current capability for ISO 7637-2 Pulse 1 (inductive load dump) immunity |
| PPPSM | 600 W - Sustains high-energy transients without failure under standardized test waveforms |
| TJ max | +150 °C - Enables operation in enclosed power supply enclosures with limited airflow |
| Package | DO-214AA (SMB) - Surface-mount footprint compatible with IPC-7351B standard land patterns |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, polarity indicated by cathode band; weight ≈ 0.090 g; meets UL 94V-0 flammability and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to system ground or low-side return path in unidirectional TVS configuration |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., +12 V rail); conducts during overvoltage to clamp voltage to ≤14.5 V |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR and long-term reliability under thermal cycling and humidity exposure |
| Clamping ratio (VC/VBR) | 1.45 - Low ratio minimizes voltage overshoot on protected lines during fast transients |
| Response time | <1.0 ps - Sub-nanosecond turn-on enables protection of high-speed digital interfaces powered from same rail |
| Moisture sensitivity | Level 1 per J-STD-020 - No bake requirement prior to reflow, simplifying SMT manufacturing |
| RoHS & halogen-free | Complies with IEC 61249-2-21 - Supports environmentally regulated industrial and consumer product certifications |
Applications
| Switching Mode Power Supply (SMPS) | AC-DC Adapter |
|---|---|
Use Scenario: Input rectifier output rail subjected to line surges and load-dump transients in offline SMPS designs. IC Role / Device Role: Unidirectional TVS placed between bulk capacitor positive terminal and chassis ground. Use Value: Clamps 600 W transients to ≤14.5 V, preventing overvoltage damage to primary-side controller ICs and MOSFETs rated for 20 V maximum. | Use Scenario: Secondary-side 12 V DC output rail exposed to ESD and cable discharge events in wall-mounted adapters. IC Role / Device Role: TVS connected anode-to-ground, cathode-to-rail to suppress fast-rising common-mode noise. Use Value: 1 µA leakage at 8.55 V avoids loading regulation feedback networks; 14.5 V clamping preserves ±5% output tolerance during IEC 61000-4-2 contact discharge. |
| Television Power Board | Monitor Backlight Inverter |
Use Scenario: 24 V main power rail feeding LED driver ICs and microcontrollers in smart TV mainboards. IC Role / Device Role: Primary overvoltage protection stage upstream of DC-DC converters and LDOs. Use Value: Withstands repeated ISO 7637-2 Pulse 2b (battery disconnect) events up to 43 A without degradation, ensuring field reliability. | Use Scenario: High-voltage boost converter output (≈300 V) feeding CCFL or LED strings in LCD monitor inverters. IC Role / Device Role: Secondary-side TVS on auxiliary 12 V logic supply derived from inverter transformer winding. Use Value: 0.073 %/°C VBR drift maintains consistent clamping across −20 °C to +70 °C ambient, critical for factory calibration stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10A | Same DO-214AA package, identical VBR (9.5–10.5 V), but higher PPPSM = 600 W and lower VC = 14.0 V | Marginally tighter clamping; preferred where downstream IC absolute maximum rating is ≤14.5 V | Select SMBJ10A if layout allows same footprint and lower clamping voltage is required for margin-critical designs |
| 1.5SMC10A | DO-214AB (SMC) package - larger footprint (7.11 × 6.22 mm vs. 4.57 × 3.94 mm), same electrical specs | Higher thermal mass supports longer surge duration; not suitable for space-constrained adapter PCBs | Choose 1.5SMC10A only when board area permits larger package and enhanced thermal dissipation is needed |
Compared with SMBJ10A and 1.5SMC10A, the P6SMB10A offers optimal balance of compact DO-214AA size, 14.5 V clamping, and proven qualification for automotive-grade surge immunity-making it ideal for cost- and space-sensitive consumer power applications.
Availability
P6SMB10A is available at Aetrix Electronics and suitable for switching mode power supplies, AC-DC adapters, and television power boards requiring stable component supply with full traceability and lifecycle management.
Supply support for P6SMB10A 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving global industrial, computing, and consumer markets since 1979.
The P6SMB series belongs to TSC's high-reliability TVS portfolio designed specifically for robust transient suppression in automotive-compliant power systems and consumer-grade power conversion equipment.
FAQ
What is the maximum clamping voltage of the P6SMB10A under standard test conditions?
The P6SMB10A has a maximum clamping voltage (VC) of 14.5 V when subjected to its rated peak pulse current of 43 A using the 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and guarantees that protected circuitry sees no more than 14.5 V during surge events, making the P6SMB10A suitable for safeguarding 12 V systems with tight voltage margins.
Is the P6SMB10A unidirectional or bidirectional, and how is polarity marked?
The P6SMB10A is a unidirectional TVS diode, intended for DC rail protection where reverse voltage is blocked. Polarity is marked by a cathode band on the DO-214AA package body; the banded end connects to the protected line, and the unbanded end connects to ground. Bidirectional variants use the "C" or "CA" suffix (e.g., P6SMB10CA), which the P6SMB10A does not carry.
Does the P6SMB10A meet automotive surge immunity standards?
Yes, the P6SMB10A meets ISO 7637-2 requirements for Pulse 1 (inductive load dump), Pulse 2a/2b (supply disconnection), and Pulse 3a/3b (switching noise), making it suitable for front-end protection in automotive accessory power modules. Its 600 W peak pulse rating and 14.5 V clamping align with LV124 and similar OEM specifications when used with appropriate series impedance.
What is the leakage current specification for the P6SMB10A at its working voltage?
At its maximum stand-off voltage (VWM) of 8.55 V, the P6SMB10A exhibits a maximum reverse leakage current (ID) of 10 µA at 25 °C. This low leakage ensures minimal impact on power rail efficiency and prevents false triggering in precision voltage-monitoring circuits, confirming the P6SMB10A's suitability for always-on power domains.
Can the P6SMB10A be used in reflow soldering processes without moisture sensitivity concerns?
Yes, the P6SMB10A is rated at Moisture Sensitivity Level 1 per J-STD-020, meaning it may be stored indefinitely at ≤30 °C/60% RH and requires no baking prior to standard lead-free reflow profiles. Its matte tin-plated leads ensure solderability per J-STD-002, and the DO-214AA package withstands peak temperatures up to 260 °C, supporting high-yield automated assembly of the P6SMB10A.
P6SMB10A 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8.55V
- Voltage - Breakdown (Min):
- 9.5V
- Voltage - Clamping (Max) @ Ipp:
- 14.5V
- Current - Peak Pulse (10/1000µs):
- 43A
- 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)
P6SMB10A FAQ
1.How can I place an order for P6SMB10A through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB10A 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 P6SMB10A reliable?
The price and inventory of P6SMB10A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB10A is usually 5 days.
3.What payment methods are accepted for P6SMB10A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB10A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB10A?
P6SMB10A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB10A 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 P6SMB10A?
For technical support, including P6SMB10A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB10A requirements.
6.How does Aetrix verify that P6SMB10A is sourced from the original manufacturer or authorized distributors?
All P6SMB10A 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 P6SMB10A meets industry standards.
7.What is the process for return or replacement of P6SMB10A?
All P6SMB10A units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB10A, 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 P6SMB10A part is unused and in its original packaging.
Return procedure for P6SMB10A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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