Nexperia USA Inc. PTVS6V5S1UR-QX
- Part No.:
- PTVS6V5S1UR-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SOD-123W
- Datasheet:
-
PTVS6V5S1UR-QX.pdf
- Description:
- PTVS6V5S1UR-Q/SOD123W/SOD2
- Quantity:
- Payment:

- Shipping:

Inventory:5,622
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Product details
Overview
PTVS6V5S1UR-QX from Nexperia is a unidirectional 400 W Transient Voltage Suppressor (TVS) in SOD123W (CFP3) package, designed for automotive-grade overvoltage protection at 6.5 V reverse standoff voltage. It delivers 35.7 A peak pulse current (IPPM), clamps transients to 11.2 V at rated current, and exhibits ≤5 µA reverse leakage at VRWM, with AEC-Q101 qualification for under-hood power rail protection.
For engineers reviewing the PTVS6V5S1UR-QX datasheet, PTVS6V5S1UR-QX pinout, PTVS6V5S1UR-QX application, or PTVS6V5S1UR-QX equivalent, key selection criteria include clamping voltage (11.2 V), peak pulse power (400 W), AEC-Q101 compliance, SOD123W footprint compatibility, and unidirectional polarity for DC power line surge suppression.
Technical Context
This TVS diode operates as a unidirectional clamping device, triggering when transient voltage exceeds its 6.5 V reverse standoff threshold (VRWM) and conducting to limit downstream voltage to 11.2 V (VCL) at 250 A IPPM. Its silicon junction design enables sub-10 ns response time to IEC 61643-321 10/1000 μs surges.
Thermal performance is defined by Rth(j-sp) = 18 K/W to solder point and Rth(j-a) = 70 K/W on ceramic PCB, supporting sustained operation up to 150 °C junction temperature. ESD robustness includes 30 kV contact discharge per IEC 61000-4-2 and 8 kV HBM rating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 6.5 V - Maximum continuous reverse operating voltage before clamping initiates |
| VBR (min) | 7.22 V - Minimum breakdown voltage at 10 mA test current, ensuring reliable turn-on margin |
| VCL @ IPPM | 11.2 V - Clamped voltage during 35.7 A 10/1000 μs surge, defining protected circuit voltage ceiling |
| PPPM | 400 W - Peak pulse power handling per IEC 61643-321, enabling robust transient absorption |
| IRM | 5 µA - Reverse leakage current at VRWM, minimizing standby power loss in low-current systems |
| Package | SOD123W (CFP3) - 2.6 × 1.7 × 1.0 mm surface-mount outline with 1 mm height for space-constrained layouts |
| AEC-Q101 | Qualified - Certified for automotive applications including engine control units and body electronics |
Pinout & Package
SOD123W (CFP3) plastic surface-mount package with 2 terminals, 2.6 mm × 1.7 mm × 1.0 mm body dimensions and cathode-marked side (bar marking).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to protected circuit's positive rail; marking bar identifies this terminal |
| 2 (A) | Anode | Connected to ground or low-impedance return path; completes clamping current path during surge |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power | Enables protection against high-energy ISO 7637-2 Load Dump and EFT bursts without thermal runaway |
| AEC-Q101 qualification | Validated reliability for automotive environments including temperature cycling, humidity, and mechanical shock |
| 1 mm profile height | Reduces board clearance requirements in stacked or shielded modules such as ADAS domain controllers |
| Low IRM (≤5 µA) | Minimizes quiescent current draw in always-on vehicle networks like CAN FD wake-up circuits |
| 30 kV ESD rating | Eliminates need for additional ESD protection on 12 V supply inputs in infotainment head units |
Applications
| Engine Control Unit (ECU) Power Input | Automotive Lighting Driver |
|---|---|
|
Use Scenario: 12 V battery-supplied ECU exposed to load dump transients up to 40 V during alternator regulation failure. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between fuse and main regulator input. Use Value: Limits input voltage to ≤11.2 V during 35.7 A surges, preventing damage to 5 V/3.3 V LDOs and microcontrollers. |
Use Scenario: LED headlamp driver IC powered from vehicle battery with PWM dimming and CAN diagnostics. IC Role / Device Role / Timing Role: Primary overvoltage clamp on high-side switch supply rail. Use Value: Absorbs switching-induced spikes and ISO 16750-2 pulses while maintaining <5 µA leakage for accurate current sensing. |
| Body Control Module (BCM) LIN Bus | Infotainment System USB Power Port |
|
Use Scenario: LIN transceiver power rail subjected to coupled noise from adjacent motor drivers and relay switching. IC Role / Device Role / Timing Role: Localized TVS at LIN IC VCC pin, downstream of bulk capacitance. Use Value: Clamps fast-rising transients (<10 ns) to protect LIN PHY without affecting 19.2 kbps signal integrity. |
Use Scenario: 5 V USB Type-C port in center console sharing power with display backlight and audio amplifiers. IC Role / Device Role / Timing Role: Secondary surge suppressor after primary DC-DC converter output filter. Use Value: Provides 30 kV ESD immunity and 400 W surge capacity without derating due to compact SOD123W thermal resistance (18 K/W to solder point). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ6.5A-Q | Same VRWM (6.5 V) and VCL (11.2 V), but lower PPPM (400 W vs. SMAJ series' 400 W); identical SOD-123 package | No AEC-Q101 qualification; rated only for industrial temp range (−65 °C to 150 °C) without automotive stress validation | Select when AEC-Q101 is not required and cost sensitivity outweighs automotive qualification needs |
| PTVS6V5S1UR | Identical electrical specs and package, but lacks AEC-Q101 qualification and automotive-specific marking (no "-Q" suffix) | Not recommended for production automotive designs; limited to prototyping or non-safety-critical aftermarket modules | Choose only for pre-production evaluation where full automotive qualification is deferred to later BOM revision |
Compared with PTVS6V5S1UR-QX, SMAJ6.5A-Q offers identical clamping performance but no automotive qualification, while PTVS6V5S1UR matches all parameters except AEC-Q101 validation-making the -QX version the sole choice for production automotive ECUs requiring certified reliability.
Availability
PTVS6V5S1UR-QX is available at Aetrix Electronics and suitable for automotive power supply protection, engine control unit (ECU) input conditioning, and body control module (BCM) transient suppression requiring stable component supply across multi-year vehicle production cycles.
Supply support for PTVS6V5S1UR-QX 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
Nexperia is a global semiconductor expert focused on essential efficiency-enhancing components, with leadership in logic, discrete, and MOSFET technologies for automotive, industrial, and mobile markets.
The PTVSxS1UR-Q series belongs to Nexperia's AEC-Q101-qualified TVS portfolio, engineered specifically for robust, space-efficient overvoltage protection in automotive power networks and safety-critical electronic control units.
FAQ
What is the maximum clamping voltage of PTVS6V5S1UR-QX at its rated peak pulse current?
The maximum clamping voltage (VCL) is 11.2 V at 35.7 A peak pulse current (IPPM), measured under IEC 61643-321 10/1000 μs waveform conditions. This value ensures downstream ICs see no more than 11.2 V during worst-case surge events, protecting 12 V system regulators and microcontrollers.
Does PTVS6V5S1UR-QX support bidirectional transient suppression?
No, PTVS6V5S1UR-QX is a unidirectional TVS diode, configured for DC power line protection where polarity is fixed. It conducts only when cathode voltage exceeds anode voltage by ≥7.22 V (VBR min), making it unsuitable for AC or data-line applications requiring symmetrical clamping.
How does the SOD123W package affect thermal performance in high-density PCB layouts?
The SOD123W package achieves Rth(j-sp) = 18 K/W to the cathode solder point, enabling efficient heat transfer to copper pour even in tight layouts. Its 1 mm height avoids interference with adjacent tall components, and the standardized footprint supports automated reflow with 0.1 mm stencil thickness per Nexperia's recommended process.
Is PTVS6V5S1UR-QX compatible with lead-free reflow profiles?
Yes, PTVS6V5S1UR-QX is qualified for standard lead-free reflow processes with peak temperatures up to 260 °C. Nexperia specifies JEDEC J-STD-020-compliant thermal profiles, and the CFP3 package withstands multiple reflow cycles without degradation to clamping performance or leakage characteristics.
PTVS6V5S1UR-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SOD-123W
- Series:
- PTVSxS1UR
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.5V (Max)
- Voltage - Breakdown (Min):
- 7.22V
- Voltage - Clamping (Max) @ Ipp:
- 11.2V
- Current - Peak Pulse (10/1000µs):
- 35.7A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123W
PTVS6V5S1UR-QX FAQ
1.How can I place an order for PTVS6V5S1UR-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS6V5S1UR-QX 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 PTVS6V5S1UR-QX reliable?
The price and inventory of PTVS6V5S1UR-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS6V5S1UR-QX is usually 5 days.
3.What payment methods are accepted for PTVS6V5S1UR-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS6V5S1UR-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS6V5S1UR-QX?
PTVS6V5S1UR-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS6V5S1UR-QX 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 PTVS6V5S1UR-QX?
For technical support, including PTVS6V5S1UR-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS6V5S1UR-QX requirements.
6.How does Aetrix verify that PTVS6V5S1UR-QX is sourced from the original manufacturer or authorized distributors?
All PTVS6V5S1UR-QX 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 PTVS6V5S1UR-QX meets industry standards.
7.What is the process for return or replacement of PTVS6V5S1UR-QX?
All PTVS6V5S1UR-QX units undergo pre-shipment inspection (PSI). If there is an issue with PTVS6V5S1UR-QX, 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 PTVS6V5S1UR-QX part is unused and in its original packaging.
Return procedure for PTVS6V5S1UR-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS6V5S1UR-QX Tags

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ESD9B5.0ST5G
onsemi

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DESD3V3E1BL-7B
Diodes Incorporated

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Diodes Incorporated

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D5V0P1B2LP-7B
Diodes Incorporated

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DESD5V0U1BA-7
Diodes Incorporated

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ESD5Z5.0T1G
onsemi

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DESD5V0U1BB-7
Diodes Incorporated

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D12V0L1B2LP-7B
Diodes Incorporated

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PESD2V0Y1BSFYL
Nexperia USA Inc.

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Toshiba Semiconductor and Storage

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Diodes Incorporated
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