Nexperia USA Inc. PTVS12VZ1USKNYL
- Part No.:
- PTVS12VZ1USKNYL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 0603 (1608 Metric)
- Datasheet:
-
PTVS12VZ1USKNYL.pdf
- Description:
- TVS DIODE 12VWM 32VC DSN1608-2
- Quantity:
- Payment:

- Shipping:

Inventory:7,705
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Product details
Overview
PTVS12VZ1USKN from Nexperia is a unidirectional transient voltage suppressor (TVS) diode in a DSN1608-2 (SOD963) leadless package, designed for ESD and surge protection of low-voltage DC lines in space-constrained mobile electronics. It delivers 2100 W peak pulse power (8/20 µs), clamps at ≤32 V under 65 A surge, and exhibits 0.1 Ω dynamic resistance with only 1 nA reverse leakage at 12 V standoff.
For engineers reviewing the PTVS12VZ1USKN datasheet, PTVS12VZ1USKN pinout, PTVS12VZ1USKN application, or PTVS12VZ1USKN equivalent, key selection criteria include its ultra-low 0.25 mm profile, IEC 61000-4-2 ±30 kV ESD rating, 12 V reverse standoff voltage, and verified clamping performance on high-speed data and power rails in portable devices.
Technical Context
This TVS operates as a unidirectional clamping device between anode and cathode terminals, activating when reverse voltage exceeds 13.3 V (typical breakdown). Its low dynamic resistance ensures minimal voltage overshoot during fast transients, while its 430 pF capacitance at 0 V bias supports signal integrity on USB, SIM, and audio lines without degrading edge rates.
The device complies with IEC 61000-4-5 (8/20 µs surge) and IEC 61000-4-2 (ESD), delivering 30 kV contact/air discharge protection. Its thermal design sustains junction temperatures up to 150 °C, and its SOD963 footprint enables automated placement in high-density mobile PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 12 V - Maximum continuous operating voltage before conduction begins; defines safe DC rail protection threshold. |
| Breakdown Voltage | 13.3–15.4 V @ 10 mA - Confirmed turn-on range ensures reliable triggering above nominal supply without false trips. |
| Clamping Voltage | ≤32 V @ 65 A (8/20 µs) - Limits downstream IC stress during worst-case lightning-induced surges. |
| Peak Pulse Power | 2100 W @ 8/20 µs - Supports robust protection against IEC 61000-4-5 Level 4 surges in compact form factor. |
| Dynamic Resistance | 0.1 Ω - Minimizes clamping voltage rise per ampere, critical for maintaining low overvoltage during high-current events. |
| Capacitance | 430 pF @ 1 MHz, 0 V - Enables use on 10–50 Mbps data lines (e.g., UART, I²C) without signal distortion. |
| ESD Rating | ±30 kV (IEC 61000-4-2) - Fully protects exposed ports (USB, SIM, buttons) against human-body-model discharges. |
Pinout & Package
PTVS12VZ1USKN uses the DSN1608-2 (SOD963) ultra-small leadless package: 1.6 mm × 0.8 mm × 0.25 mm body height, compatible with standard reflow profiles and high-density mobile PCB assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to protected line (e.g., VBUS, SIM_DATA); conducts current to ground during overvoltage event. |
| 2 (A) | Anode | Connected to system ground; completes clamping path and establishes unidirectional polarity orientation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low profile | 0.25 mm height enables integration beneath camera modules and display flex cables in smartphones and wearables. |
| High surge capability | 65 A peak pulse current (8/20 µs) provides margin against coupled surges in automotive accessory and industrial USB-C ports. |
| Low leakage | 1 nA reverse current at 12 V minimizes battery drain in always-on mobile subsystems (e.g., RTC, sensor hubs). |
| Fast response | Sub-nanosecond turn-on time ensures clamping before sensitive logic inputs exceed absolute maximum ratings. |
Applications
| USB Type-C Port Protection | SIM Card Interface Protection |
|---|---|
|
Use Scenario: Protecting VBUS, CC, and SBU lines in smartphone and tablet USB-C receptacles from ESD and hot-plug surges. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed between each signal line and ground, activated within <1 ns upon overvoltage detection. Use Value: Prevents latch-up and gate oxide damage in USB controller ICs while maintaining signal integrity via 430 pF capacitance. |
Use Scenario: Shielding SIM data, clock, and reset lines from electrostatic discharge during card insertion/removal in mobile handsets. IC Role / Device Role / Timing Role: Low-capacitance TVS connected inline on each SIM interface trace, referenced to ground plane. Use Value: Ensures >30 kV ESD immunity without distorting 1–5 MHz SIM clock edges or corrupting serial data framing. |
| Wireless Audio Charging Pad | Industrial Handheld Scanner |
|
Use Scenario: Safeguarding 5 V power input and UART debug lines in Qi-certified charging pads exposed to user-handling ESD. IC Role / Device Role / Timing Role: Standoff-rated TVS on input rail and bidirectional data lines, leveraging 12 V VRWM and low Rdyn for stable clamping. Use Value: Maintains uninterrupted charging operation after repeated ±8 kV contact discharges, validated by IEC 61000-4-2 testing. |
Use Scenario: Protecting 12 V power input and RS-232/USB interfaces in rugged barcode scanners used in warehouses and logistics. IC Role / Device Role / Timing Role: Primary surge suppression element on main power entry point, coordinated with upstream fuse and filter. Use Value: Withstands 2100 W transient energy per IEC 61000-4-5, preventing field failures due to induced surges on long cable runs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A | DO-214AC package (4.5 mm × 2.7 mm), 200 W PPPM, 13.3 V VRWM, 19.9 V VCL @ 10.1 A | Larger footprint; suited for board-level primary protection, not space-limited mobile PCBs | Select when higher surge margin is needed and board area permits larger package. |
| TPSMF12A | SOD-123FL package (2.7 mm × 1.7 mm), 200 W PPPM, 12 V VRWM, 19.9 V VCL @ 10.1 A, 550 pF | Higher capacitance limits use on >10 Mbps signals; lacks 30 kV ESD rating | Choose for cost-sensitive industrial power rails where ESD immunity is secondary to surge handling. |
Compared with SMAJ12A and TPSMF12A, PTVS12VZ1USKN uniquely combines ultra-miniature size, 2100 W surge rating, and ±30 kV ESD immunity-enabling single-device protection for both IEC 61000-4-2 and -4-5 compliance in mobile front-end interfaces.
Availability
PTVS12VZ1USKN is available at Aetrix Electronics and suitable for USB-C port protection, SIM interface hardening, wireless charging pad input staging, and industrial handheld scanner power management requiring stable component supply across high-mix production runs.
Supply support for PTVS12VZ1USKN 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 high-volume, high-reliability essential semiconductors for automotive, industrial, and mobile markets, with leadership in logic, discrete, and MOSFET technologies.
PTVS12VZ1USKN belongs to Nexperia's ultra-compact TVS diode portfolio, engineered specifically for ESD and surge protection in next-generation mobile platforms where board space, thickness, and signal integrity are critical constraints.
FAQ
What is the maximum clamping voltage of PTVS12VZ1USKN under a 65 A surge?
The maximum clamping voltage is 32 V when subjected to a 65 A, 8/20 µs transient pulse per IEC 61000-4-5. This value is measured across pins 1 (cathode) and 2 (anode) at 25 °C ambient, ensuring downstream ICs see no more than 32 V during worst-case surge events.
Can PTVS12VZ1USKN be used on bidirectional signal lines like USB D+ and D−?
No - PTVS12VZ1USKN is unidirectional and must be oriented with cathode toward the protected line and anode to ground. For bidirectional data lines, a symmetric TVS array (e.g., PUSB3FR4) or two back-to-back unidirectional devices are required to clamp both positive and negative transients.
Does this TVS require a series current-limiting resistor for ESD protection?
No - unlike polymer-based or multilayer varistors, PTVS12VZ1USKN has intrinsic low dynamic resistance (0.1 Ω) and sub-nanosecond response, enabling direct placement without external impedance. Adding a resistor would degrade clamping speed and increase voltage overshoot.
Is PTVS12VZ1USKN qualified for automotive applications?
No - this device is not AEC-Q200 qualified and lacks automotive-grade screening or temperature range validation beyond −40 °C to +125 °C ambient. It is intended for consumer mobile and industrial applications; automotive designs require explicitly qualified alternatives such as PTVS26VS1UR.
PTVS12VZ1USKNYL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- 0603 (1608 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12V (Max)
- Voltage - Breakdown (Min):
- 13.3V
- Voltage - Clamping (Max) @ Ipp:
- 32V
- Current - Peak Pulse (10/1000µs):
- 65A (8/20µs)
- Power - Peak Pulse:
- 2100W (2.1kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 430pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DSN1608-2
PTVS12VZ1USKNYL FAQ
1.How can I place an order for PTVS12VZ1USKNYL through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS12VZ1USKNYL 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 PTVS12VZ1USKNYL reliable?
The price and inventory of PTVS12VZ1USKNYL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS12VZ1USKNYL is usually 5 days.
3.What payment methods are accepted for PTVS12VZ1USKNYL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS12VZ1USKNYL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS12VZ1USKNYL?
PTVS12VZ1USKNYL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS12VZ1USKNYL 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 PTVS12VZ1USKNYL?
For technical support, including PTVS12VZ1USKNYL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS12VZ1USKNYL requirements.
6.How does Aetrix verify that PTVS12VZ1USKNYL is sourced from the original manufacturer or authorized distributors?
All PTVS12VZ1USKNYL 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 PTVS12VZ1USKNYL meets industry standards.
7.What is the process for return or replacement of PTVS12VZ1USKNYL?
All PTVS12VZ1USKNYL units undergo pre-shipment inspection (PSI). If there is an issue with PTVS12VZ1USKNYL, 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 PTVS12VZ1USKNYL part is unused and in its original packaging.
Return procedure for PTVS12VZ1USKNYL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS12VZ1USKNYL Tags

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