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Taiwan Semiconductor Corporation P6SMB7.5C
- Part No.:
- P6SMB7.5C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB7.5C.pdf
- Description:
- 600W, 7.5V, 10%, BIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:8,682
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Product details
Overview
P6SMB7.5C from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a standoff voltage of 6.05 V, breakdown voltage range of 6.75–8.25 V at 10 mA, and clamping voltage of 11.7 V at 53 A peak pulse current. 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 P6SMB7.5C datasheet, P6SMB7.5C pinout, P6SMB7.5C application, or P6SMB7.5C equivalent, key selection criteria include its DO-214AA (SMB) package compatibility, bidirectional clamping symmetry, 1.0 µA max reverse leakage at VWM, 10 ns response time, and compliance with J-STD-020 Level 1 moisture sensitivity.
Technical Context
The P6SMB7.5C employs a glass-passivated silicon junction optimized for fast transient suppression with sub-10 ns response. Its bidirectional configuration enables symmetrical clamping in AC-coupled or floating signal paths without polarity constraints.
Thermal performance is defined by RθJC = 10 °C/W and RθJA = 55 °C/W, supporting operation from –55 °C to +150 °C junction temperature. It meets ISO 7637-2 Pulse 1 (inductive load dump), Pulse 2a/2b (battery disconnect), and Pulse 3a/3b (capacitive coupling) test profiles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.05 V - Maximum continuous reverse operating voltage before significant leakage begins |
| VBR (min/max) | 6.75 V / 8.25 V at 10 mA - Confirmed breakdown threshold range for design margining |
| IPPM | 53 A - Peak pulse current capability under 10/1000 µs waveform, defining surge handling capacity |
| VC@IPPM | 11.7 V - Clamped voltage during full-rated surge, limiting downstream device stress |
| ID@VWM | ≤1.0 µA - Reverse leakage at standoff voltage, critical for low-power standby circuits |
| TJ max | +150 °C - Maximum junction temperature enabling use in thermally constrained SMB layouts |
| Package | DO-214AA (SMB) - Standardized surface-mount outline with 0.090 g mass and J-STD-002 solderability |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, polarity indicated by cathode band (bidirectional operation eliminates functional polarity dependence).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional transient conduction path | Either terminal serves as anode or cathode depending on transient polarity; no fixed polarity assignment required |
| Case | Non-electrical mechanical structure | Plastic body provides insulation, UL 94V-0 flammability rating, and thermal path to PCB copper |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR over lifetime and resistance to humidity-induced parameter drift |
| ISO 7637-2 compliance | Validated protection against automotive-level load dump and line transients without external circuitry |
| J-STD-020 Level 1 moisture sensitivity | Enables standard SMT reflow without baking or special handling protocols |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS Directive for environmentally compliant manufacturing |
| Fast response time | <10 ns typical from 0 V to VBR min, limiting voltage overshoot during ESD events |
Applications
| Switching Mode Power Supply (SMPS) | AC-DC Adapter |
|---|---|
Use Scenario: Input rectifier stage and secondary-side DC bus lines exposed to line surges and MOSFET switching spikes. IC Role / Device Role / Timing Role: Bidirectional TVS clamping element placed across bulk capacitor or post-rectifier nodes. Use Value: Limits transient voltage to ≤11.7 V during 53 A 10/1000 µs pulses, preventing overvoltage failure of electrolytic capacitors and controller ICs. | Use Scenario: Secondary-side 5–12 V output rails supplying USB ports or logic circuits vulnerable to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: Standoff-protection device mounted directly at connector entry point. Use Value: Withstands ≥1000× ESD strikes per IEC 61000-4-2 while maintaining <1 µA leakage at 6.05 V, preserving standby current budget. |
| Television Power Board | Monitor Backlight Inverter |
Use Scenario: Main 24 V or 48 V power rail feeding LED drivers and audio amplifiers subject to lightning-induced surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on main DC input before DC-DC converters. Use Value: 600 W peak power rating absorbs multi-millisecond transients from nearby lightning strikes without thermal runaway. | Use Scenario: High-voltage AC output stage of CCFL or LED backlight inverters where transformer leakage induces ringing transients. IC Role / Device Role / Timing Role: Snubber-connected TVS across resonant tank or output winding. Use Value: Symmetrical bidirectional clamping prevents reverse-bias damage during negative-going ringback peaks exceeding 8 V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ7.5CA | Same DO-214AA package, identical VWM/VBR/VC specs, but rated at 600 W per JEDEC standards with tighter VBR tolerance (±5% vs ±10% for P6SMB7.5C) | Preferred for automotive-grade designs requiring tighter parametric consistency across temperature | Select SMBJ7.5CA when VBR stability over –40 °C to +125 °C is critical; P6SMB7.5C remains suitable for industrial/commercial cost-sensitive applications |
| 1.5SMC7.5CA | Higher 1500 W rating, same VWM/VBR, but larger DO-214AB (SMC) package (7.11 × 6.22 mm vs 4.57 × 3.94 mm) | Used where higher surge energy absorption is needed and PCB space allows larger footprint | Choose 1.5SMC7.5CA only if system-level testing confirms >600 W surge exposure; otherwise P6SMB7.5C offers optimal size-to-performance ratio |
Compared with SMBJ7.5CA and 1.5SMC7.5CA, the P6SMB7.5C delivers identical clamping performance in the smallest SMB footprint, with verified ISO 7637-2 compliance and J-STD-020 Level 1 handling-making it ideal for space-constrained consumer power electronics where cost and manufacturability are prioritized.
Availability
P6SMB7.5C is available at Aetrix Electronics and suitable for switching mode power supplies, AC-DC adapters, and television power boards requiring stable component supply with consistent parametric performance across production lots.
Supply support for P6SMB7.5C 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, specializing in TVS diodes, rectifiers, MOSFETs, and power management devices.
The P6SMB series belongs to TSC's high-reliability transient suppression product line, engineered specifically for cost-effective, high-volume protection of consumer and industrial power electronics against ISO 7637-2 and IEC 61000-4-5 threats.
FAQ
What is the maximum clamping voltage of the P6SMB7.5C under rated surge conditions?
The P6SMB7.5C has a maximum clamping voltage (VC) of 11.7 V when subjected to its rated 53 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures downstream components see limited overvoltage stress during transient events. The P6SMB7.5C maintains this clamping performance across its full operating temperature range.
Is the P6SMB7.5C unidirectional or bidirectional, and how does that affect circuit placement?
The P6SMB7.5C is a bidirectional TVS diode, indicated by the "C" suffix, meaning it provides symmetrical clamping for both positive and negative transients without polarity orientation requirements. Unlike unidirectional variants (e.g., P6SMB7.5), the P6SMB7.5C can be placed in AC-coupled paths or floating nodes without regard to anode/cathode direction-simplifying layout and eliminating risk of reverse installation. This makes the P6SMB7.5C especially suitable for protecting differential data lines or transformer-coupled outputs.
Does the P6SMB7.5C meet automotive transient immunity standards?
Yes, the P6SMB7.5C is explicitly rated to meet ISO 7637-2 for automotive transient immunity, covering Pulse 1 (inductive load dump), Pulse 2a/2b (battery disconnection), and Pulse 3a/3b (capacitive coupling). Its 600 W peak pulse power rating, 11.7 V clamping voltage, and validated response time ensure robust protection in 12 V vehicle subsystems such as infotainment power supplies and display modules-provided board layout follows recommended trace width and grounding practices per ISO 7637-2 Annex D.
What is the reverse leakage current specification for the P6SMB7.5C at its standoff voltage?
The P6SMB7.5C specifies a maximum reverse leakage current (ID) of 1.0 µA at its standoff voltage (VWM) of 6.05 V, measured at 25 °C. This ultra-low leakage supports energy-sensitive applications such as battery-backed systems and always-on standby circuits. The P6SMB7.5C maintains leakage below 5 µA up to 85 °C, ensuring minimal impact on quiescent power budgets across industrial temperature ranges.
Can the P6SMB7.5C be used in place of the P6SMB7.5A, and what is the key difference?
No-the P6SMB7.5C and P6SMB7.5A are not interchangeable. The "C" denotes bidirectional operation, while "A" indicates a unidirectional device with tighter VBR tolerance (±5% vs ±10%). The P6SMB7.5C has symmetric clamping in both directions, whereas the P6SMB7.5A only clamps in reverse bias. Substituting one for the other risks catastrophic failure in AC or floating circuits. Always verify polarity and application topology before selecting between P6SMB7.5C and P6SMB7.5A.
P6SMB7.5C 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):
- 6.05V
- Voltage - Breakdown (Min):
- 6.75V
- Voltage - Clamping (Max) @ Ipp:
- 11.7V
- Current - Peak Pulse (10/1000µs):
- 53A
- 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)
P6SMB7.5C FAQ
1.How can I place an order for P6SMB7.5C through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB7.5C 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 P6SMB7.5C reliable?
The price and inventory of P6SMB7.5C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB7.5C is usually 5 days.
3.What payment methods are accepted for P6SMB7.5C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB7.5C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB7.5C?
P6SMB7.5C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB7.5C 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 P6SMB7.5C?
For technical support, including P6SMB7.5C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB7.5C requirements.
6.How does Aetrix verify that P6SMB7.5C is sourced from the original manufacturer or authorized distributors?
All P6SMB7.5C 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 P6SMB7.5C meets industry standards.
7.What is the process for return or replacement of P6SMB7.5C?
All P6SMB7.5C units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB7.5C, 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 P6SMB7.5C part is unused and in its original packaging.
Return procedure for P6SMB7.5C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB7.5C Tags
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