Nexperia USA Inc. PTVS16VS1UTR-QX
- Part No.:
- PTVS16VS1UTR-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SOD-123W
- Datasheet:
-
PTVS16VS1UTR-QX.pdf
- Description:
- PTVS16VS1UTR-Q/SOD123W/SOD2
- Quantity:
- Payment:

- Shipping:

Inventory:9,532
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Product details
Overview
PTVS16VS1UTR-QX from Nexperia is a unidirectional 400 W Transient Voltage Suppressor (TVS) in SOD123W (CFP3) package, designed for high-temperature transient overvoltage protection in automotive power rails. It features VRWM = 16 V, VBR(min) = 17.8 V, VCL = 26.0 V at IPPM = 15.4 A (10/1000 µs), and operates up to Tj = 185 °C.
For engineers reviewing the PTVS16VS1UTR-QX datasheet, PTVS16VS1UTR-QX pinout, PTVS16VS1UTR-QX application, or PTVS16VS1UTR-QX equivalent, this device is selected for robust ESD/EMI suppression in 12 V automotive subsystems, battery management inputs, and industrial DC power interfaces where thermal stability and AEC-Q101 qualification are mandatory.
Technical Context
This unidirectional TVS diode clamps transients using avalanche breakdown in silicon PN junction. Its low-profile SOD123W package enables high-density PCB layout while maintaining thermal resistance Rth(j-sp) = 18 K/W to solder point - critical for sustained surge handling in confined engine-bay environments.
It complies with IEC 61643-321 (10/1000 µs waveform) and delivers 30 kV IEC 61000-4-2 contact discharge immunity. The temperature coefficient of breakdown voltage is +0.5 mV/K, ensuring stable clamping across –55 °C to +185 °C junction range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 16 V reverse standoff voltage - blocks normal 12 V system operation while triggering only above safe threshold |
| VBR (min) | 17.8 V at IR = 1 mA - guarantees reliable avalanche initiation before downstream IC damage |
| VCL | 26.0 V at IPPM = 15.4 A - limits peak voltage seen by protected load during 10/1000 µs surge |
| PPPM | 400 W rated peak pulse power - sustains high-energy transients without degradation |
| Tj max | 185 °C maximum junction temperature - supports under-hood placement without derating |
| ESD rating | 30 kV contact discharge (IEC 61000-4-2) - eliminates need for additional ESD front-end stages |
| AEC-Q101 | Qualified per Automotive Electronics Council standard - validated for automotive production use |
Pinout & Package
SOD123W (CFP3) surface-mount plastic package: 2.6 mm × 1.7 mm × 1.0 mm body height, flat leads, cathode marked by bar.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to protected line side; carries full surge current during clamping |
| 2 | Anode (A) | Connected to ground reference; forms low-impedance path to shunt transient energy |
Key Features
| Feature | Design Value |
|---|---|
| High-temperature operation | Junction-rated to 185 °C - enables direct mounting near heat sources without thermal derating |
| Low-profile packaging | 1.0 mm max height - fits beneath low-clearance shields and in compact ADAS modules |
| Automotive qualification | AEC-Q101 qualified - meets stress-test requirements for automotive discrete semiconductors |
| Low leakage | IRM ≤ 0.001 µA at VRWM - prevents parasitic drain in always-on vehicle networks |
| Stable clamping | +0.5 mV/K temperature coefficient - minimizes VCL drift across ambient extremes |
Applications
| Engine Control Unit (ECU) Power Input | Automotive Infotainment USB Port |
|---|---|
Use Scenario: Protects 12 V supply rail from load-dump and ISO 7637-2 pulses in engine bay ECUs. IC Role / Device Role / Timing Role: Unidirectional TVS placed between input fuse and DC-DC converter input. Use Value: Clamps 120 V/50 ms load dump to ≤26 V within 1 ns, preserving downstream regulator integrity. |
Use Scenario: Shields USB data and VBUS lines from ESD events and cable-induced surges. IC Role / Device Role / Timing Role: Dual-device configuration: one on VBUS, one on D+/D− differential pair. Use Value: Withstands ±30 kV contact ESD without latch-up or parameter shift, meeting USB-IF compliance. |
| Body Control Module (BCM) LIN Bus | Electric Power Steering (EPS) Sensor Interface |
Use Scenario: Guards LIN transceiver pins against battery reverse-connection and jump-start spikes. IC Role / Device Role / Timing Role: Single TVS on LIN bus line referenced to chassis ground. Use Value: Limits transient overshoot to <26 V while maintaining <1 µA leakage at 12 V - no LIN signal distortion. |
Use Scenario: Protects analog sensor inputs (e.g., torque, position) from motor switching noise. IC Role / Device Role / Timing Role: Placed at connector entry point before signal conditioning amplifier. Use Value: Sub-1 ns response time suppresses >1 kV fast-edge transients without affecting 12-bit ADC accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A-Q | Lower PPPM (400 W same), but VRWM = 16 V, VCL = 26.0 V - identical clamping, higher IR (5 µA) | Not AEC-Q101 qualified; limited to industrial-grade systems | Select when automotive qualification is not required and cost sensitivity outweighs long-term reliability needs |
| TPSMD16A | Same VRWM/VCL, but larger SMA package (2.8 mm height); Tj max = 175 °C; AEC-Q101 qualified | Requires more board area; less suitable for ultra-thin modules | Choose when existing SMA footprint is fixed and thermal margin allows 10 °C lower Tj limit |
Compared with SMAJ16A-Q and TPSMD16A, PTVS16VS1UTR-QX uniquely combines AEC-Q101 qualification, 1 mm profile, and 185 °C junction rating - enabling next-generation compact, high-temperature automotive designs without trade-offs in surge capability or reliability.
Availability
PTVS16VS1UTR-QX is available at Aetrix Electronics and suitable for automotive ECU power protection, infotainment interface hardening, and EPS sensor conditioning requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for PTVS16VS1UTR-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, delivering high-performance, high-reliability devices for automotive, industrial, and consumer markets.
The PTVSxS1UTR-Q series belongs to Nexperia's AEC-Q101-qualified TVS portfolio, engineered specifically for high-temperature transient suppression in automotive power distribution and signal integrity applications.
FAQ
What is the maximum clamping voltage for PTVS16VS1UTR-QX under standard test conditions?
The clamping voltage VCL is 26.0 V at peak pulse current IPPM = 15.4 A, measured per IEC 61643-321 using a 10/1000 µs waveform. This value is guaranteed across the full operating temperature range (–55 °C to +185 °C junction), with typical variation <±5 %.
Is PTVS16VS1UTR-QX suitable for bidirectional transient protection?
No - PTVS16VS1UTR-QX is a unidirectional TVS diode, optimized for DC-biased lines like automotive 12 V power rails. For AC or dual-polarity signals, a bidirectional variant such as PTVS16VS1UTR-Q (not offered in -QX suffix) or separate back-to-back configuration is required.
How does the SOD123W package affect thermal performance compared to SMA or SMB?
The SOD123W package achieves Rth(j-sp) = 18 K/W to solder point - superior to standard SMA (≈35 K/W) due to its low-profile copper tab design. This enables higher sustained surge duty cycles in thermally constrained layouts without external heatsinking.
Does PTVS16VS1UTR-QX require derating at elevated ambient temperatures?
Yes - while rated for Tj ≤ 185 °C, the peak pulse power must be derated above Tamb = 85 °C per Figure 2 in the datasheet. At 125 °C ambient, PPPM reduces to ≈220 W; full 400 W is only valid at Tamb ≤ 25 °C with proper PCB copper area.
PTVS16VS1UTR-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SOD-123W
- Series:
- PTVSxS1UTR
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 16V (Max)
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 15.4A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 185°C (TA)
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123W
PTVS16VS1UTR-QX FAQ
1.How can I place an order for PTVS16VS1UTR-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS16VS1UTR-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 PTVS16VS1UTR-QX reliable?
The price and inventory of PTVS16VS1UTR-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS16VS1UTR-QX is usually 5 days.
3.What payment methods are accepted for PTVS16VS1UTR-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS16VS1UTR-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS16VS1UTR-QX?
PTVS16VS1UTR-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS16VS1UTR-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 PTVS16VS1UTR-QX?
For technical support, including PTVS16VS1UTR-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS16VS1UTR-QX requirements.
6.How does Aetrix verify that PTVS16VS1UTR-QX is sourced from the original manufacturer or authorized distributors?
All PTVS16VS1UTR-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 PTVS16VS1UTR-QX meets industry standards.
7.What is the process for return or replacement of PTVS16VS1UTR-QX?
All PTVS16VS1UTR-QX units undergo pre-shipment inspection (PSI). If there is an issue with PTVS16VS1UTR-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 PTVS16VS1UTR-QX part is unused and in its original packaging.
Return procedure for PTVS16VS1UTR-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS16VS1UTR-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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Diodes Incorporated

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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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Nexperia USA Inc.

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Toshiba Semiconductor and Storage

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Diodes Incorporated
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