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Nexperia USA Inc. PTVS12VP1UTP-QX
- Part No.:
- PTVS12VP1UTP-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SOD-128
- Datasheet:
-
PTVS12VP1UTP-QX.pdf
- Description:
- PTVS12VP1UTP-Q/SOD128/FLATPOWE
- Quantity:
- Payment:
- Shipping:
Inventory:7,536
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Product details
Overview
PTVS12VP1UTP-QX from Nexperia is a unidirectional 600 W Transient Voltage Suppressor (TVS) in SOD128 (CFP5) package, designed for high-temperature transient overvoltage protection in automotive power rails. Confirmed parameters: VRWM = 12 V, VBR(min) = 13.3 V, VCL = 19.9 V at IPPM = 30.2 A (10/1000 µs), Tj(max) = 185 °C, and AEC-Q101 qualified.
For engineers reviewing the PTVS12VP1UTP-QX datasheet, PTVS12VP1UTP-QX pinout, PTVS12VP1UTP-QX application, or PTVS12VP1UTP-QX equivalent, key selection criteria include clamping voltage under 20 V at 30 A, junction temperature capability up to 185 °C, low IRM ≤ 2.5 µA at VRWM, and SOD128 footprint compatibility with high-density automotive PCB layouts.
Technical Context
This TVS diode operates as a unidirectional clamping device, conducting only during negative transients relative to its anode–cathode polarity. Its breakdown initiates at ≥13.3 V (typical 14.0 V), clamps to ≤19.9 V at 30.2 A peak pulse current, and maintains stable performance up to 185 °C junction temperature.
It complies with IEC 61643-321 (10/1000 µs waveform) and AEC-Q101 stress testing, featuring 30 kV ESD immunity (IEC 61000-4-2 contact/air), 8 kV HBM rating, and thermal resistance Rth(j-sp) = 12 K/W to solder point - enabling robust integration into engine control units and battery management systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 12 V reverse standoff voltage - defines maximum continuous operating voltage before leakage exceeds 2.5 µA |
| VBR (min) | 13.3 V at IR = 1 mA - guaranteed minimum breakdown threshold ensuring reliable turn-on during overvoltage events |
| VCL | 19.9 V at IPPM = 30.2 A (10/1000 µs) - clamping voltage limiting downstream IC stress during surge conditions |
| PPPM | 600 W peak pulse power - sustains 30.2 A transient current without failure under standardized surge waveform |
| Tj(max) | 185 °C - enables operation in under-hood automotive environments where ambient exceeds 125 °C |
| IRM | ≤2.5 µA at VRWM - ultra-low leakage preserves system standby power integrity in always-on modules |
| ESD Rating | 30 kV contact / 30 kV air discharge (IEC 61000-4-2) - protects against human-body and system-level electrostatic events |
Pinout & Package
Package: CFP5 (SOD128) - surface-mount plastic package, 3.8 mm × 2.6 mm × 1.0 mm body, 4 mm lead pitch, flat lead profile optimized for automated placement and reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to protected circuit's positive rail; marking bar identifies this terminal - conducts during negative transients on anode side |
| 2 | Anode (A) | Connected to ground or low-impedance return path - completes clamping loop when cathode-side voltage exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive use per discrete semiconductor stress test standard - eliminates need for customer requalification |
| 185 °C junction rating | Enables direct placement near high-power components (e.g., DC-DC converters, motor drivers) without derating |
| SOD128 footprint | Standardized 3.8 mm × 2.6 mm land pattern supports high-volume SMT assembly and thermal relief via cathode pad |
| Low clamping ratio (VCL/VBR ≈ 1.42) | Minimizes voltage overshoot across protected ICs - critical for 12 V automotive microcontrollers and CAN transceivers |
| 12 K/W Rth(j-sp) | Direct thermal path from junction to cathode solder point - reduces thermal impedance by >80% vs. junction-to-ambient |
Applications
| Engine Control Unit (ECU) Power Input | Automotive Body Control Module (BCM) |
|---|---|
|
Use Scenario: Protects 12 V supply rail from load dump (ISO 7637-2 Pulse 5a) and alternator ripple in gasoline/diesel ECUs. IC Role / Device Role: Unidirectional clamping TVS placed between battery input and primary DC-DC converter input stage. Use Value: Clamps to 19.9 V at 30.2 A, preventing damage to 36 V-rated input stages while maintaining <2.5 µA leakage in sleep mode. |
Use Scenario: Shields LIN bus power pins and microcontroller I/O from ESD and switching noise in door modules and lighting controllers. IC Role / Device Role: Local rail protection adjacent to MCU VDD pins, mounted directly on compact BCM PCBs. Use Value: 30 kV ESD immunity and 185 °C operation ensure reliability in hot, vibration-prone cabin environments without thermal derating. |
| Electric Power Steering (EPS) Sensor Supply | On-Board Charger (OBC) Auxiliary 12 V Rail |
|
Use Scenario: Guards Hall-effect sensor and analog front-end supplies against inductive kickback from EPS motor drivers. IC Role / Device Role: Point-of-load TVS on isolated 12 V sensor rail, placed within 5 mm of protected ADC inputs. Use Value: 1 mm profile fits tight mechanical envelopes; low capacitance (<100 pF at 0 V) avoids signal integrity degradation on analog paths. |
Use Scenario: Safeguards auxiliary 12 V logic supply in high-voltage OBCs exposed to conducted transients from AC/DC conversion stages. IC Role / Device Role: Secondary protection after primary MOV/fuse stage, absorbing residual surges before reaching MCU and gate drivers. Use Value: 600 W PPPM rating handles repetitive 10/1000 µs transients common in EV charging infrastructure without 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 |
|---|---|---|---|
| SMAJ12A-Q | Lower PPPM (400 W), higher VCL (23.2 V at 25.9 A), same SOD-123 package but not AEC-Q101 qualified | Limited to non-safety-critical industrial use; insufficient for ISO 7637-2 Pulse 5a compliance in automotive | Select only if cost sensitivity outweighs automotive qualification and clamping performance requirements |
| TPSMD12H | Higher VRWM (12.8 V), lower VCL (18.2 V), same 600 W rating, but rated only to 175 °C junction temperature | Marginally acceptable for under-hood applications below 150 °C ambient; fails AEC-Q101 thermal cycling validation | Prefer for commercial-temperature automotive subsystems where 185 °C margin is not required |
Compared with SMAJ12A-Q and TPSMD12H, PTVS12VP1UTP-QX delivers superior thermal resilience (185 °C), tighter clamping (19.9 V), and full AEC-Q101 compliance - making it the only choice for safety-relevant 12 V rail protection in modern vehicle architectures.
Availability
PTVS12VP1UTP-QX is available at Aetrix Electronics and suitable for automotive ECU design, electric power steering systems, and on-board charger auxiliary power management requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for PTVS12VP1UTP-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 diodes, MOSFETs, and logic devices for automotive, industrial, and consumer markets.
The PTVSxP1UTP-Q series belongs to Nexperia's AEC-Q101-qualified TVS portfolio, engineered specifically for high-temperature transient suppression in next-generation automotive electronics where junction stability beyond 175 °C is mandatory.
FAQ
What is the maximum clamping voltage of PTVS12VP1UTP-QX under standard surge conditions?
The maximum clamping voltage is 19.9 V at a peak pulse current of 30.2 A, measured using the IEC 61643-321 10/1000 µs waveform. This value is guaranteed across the full operating temperature range (−55 °C to 185 °C) and ensures protected downstream ICs remain within safe voltage limits during load-dump or inductive-switching events.
Does PTVS12VP1UTP-QX meet automotive qualification standards?
Yes - it is fully qualified to AEC-Q101 for discrete semiconductors, including stress tests for high-temperature operating life, temperature cycling, and ESD (30 kV contact/air). It is explicitly recommended for automotive applications in Nexperia's official documentation and supports ISO 7637-2 compliance when used per layout guidelines.
How does the SOD128 package affect thermal performance in high-power designs?
The SOD128 (CFP5) package provides a dedicated cathode thermal pad with Rth(j-sp) = 12 K/W to solder point - significantly lower than typical junction-to-ambient values. This allows efficient heat transfer to the PCB copper pour, enabling sustained 600 W pulse handling without thermal runaway, even in confined under-hood spaces.
Can PTVS12VP1UTP-QX replace older SMAJ12A devices in existing automotive designs?
No direct drop-in replacement: PTVS12VP1UTP-QX uses SOD128 (3.8 mm × 2.6 mm), while SMAJ12A uses SOD-123 (3.7 mm × 1.6 mm). Layout revision is required. However, its lower VCL (19.9 V vs. 23.2 V), higher temperature rating (185 °C vs. 150 °C), and AEC-Q101 status justify redesign for improved system robustness in new or refreshed platforms.
PTVS12VP1UTP-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SOD-128
- Series:
- PTVSxP1UP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12V (Max)
- Voltage - Breakdown (Min):
- 13.3V
- Voltage - Clamping (Max) @ Ipp:
- 19.9V
- Current - Peak Pulse (10/1000µs):
- 30.2A
- Power - Peak Pulse:
- 600W
- 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-128/CFP5
PTVS12VP1UTP-QX FAQ
1.How can I place an order for PTVS12VP1UTP-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS12VP1UTP-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 PTVS12VP1UTP-QX reliable?
The price and inventory of PTVS12VP1UTP-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS12VP1UTP-QX is usually 5 days.
3.What payment methods are accepted for PTVS12VP1UTP-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS12VP1UTP-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS12VP1UTP-QX?
PTVS12VP1UTP-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS12VP1UTP-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 PTVS12VP1UTP-QX?
For technical support, including PTVS12VP1UTP-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS12VP1UTP-QX requirements.
6.How does Aetrix verify that PTVS12VP1UTP-QX is sourced from the original manufacturer or authorized distributors?
All PTVS12VP1UTP-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 PTVS12VP1UTP-QX meets industry standards.
7.What is the process for return or replacement of PTVS12VP1UTP-QX?
All PTVS12VP1UTP-QX units undergo pre-shipment inspection (PSI). If there is an issue with PTVS12VP1UTP-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 PTVS12VP1UTP-QX part is unused and in its original packaging.
Return procedure for PTVS12VP1UTP-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS12VP1UTP-QX Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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ESD5Z3.3T1G
onsemi
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D5V0H1B2LP-7B
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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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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D5V0L1B2WS-7
Diodes Incorporated
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