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Nexperia USA Inc. PTVS26VZ1USKYL
- Part No.:
- PTVS26VZ1USKYL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 0603 (1608 Metric)
- Datasheet:
-
PTVS26VZ1USKYL.pdf
- Description:
- TVS DIODE 26VWM 46VC DSN1608-2
- Quantity:
- Payment:
- Shipping:
Inventory:7,979
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Product details
Overview
PTVS26VZ1USK from Nexperia is a unidirectional transient voltage suppressor (TVS) diode in a DSN1608-2 (SOD964) leadless package, designed for ESD and surge protection of low-voltage DC power rails and signal lines in space-constrained mobile electronics. It delivers 1850 W peak pulse power (8/20 µs), clamps at 47.9 V under 32 A surge, features 0.15 Ω dynamic resistance, and maintains only 0.1 nA reverse leakage at 26 V standoff.
For engineers reviewing the PTVS26VZ1USK datasheet, PTVS26VZ1USK pinout, PTVS26VZ1USK application, or PTVS26VZ1USK equivalent, key selection criteria include clamping voltage at rated IPPM, ultra-low profile (0.29 mm height), IEC 61000-4-2 ±30 kV ESD rating, and compatibility with high-density PCB layouts requiring minimal board area.
Technical Context
This TVS operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds 26 V VRWM and breaks down at 28.9–33.4 V (VBR @ 10 mA). Its low Rdyn = 0.15 Ω ensures rapid voltage clamping during fast transients like ESD (0.6–1 ns rise time) and lightning-induced surges (8/20 µs).
The device is optimized for placement directly at I/O or power entry points in portable devices, where its 1.6 mm × 0.8 mm footprint and cathode-marked top-side orientation enable automated optical inspection and precise alignment in fine-pitch reflow processes per JEDEC J-STD-020.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 26 V reverse standoff voltage - defines maximum continuous operating voltage before conduction begins. |
| VBR | 28.9–33.4 V breakdown voltage @ 10 mA - specifies precise avalanche initiation threshold for predictable protection onset. |
| VCL | 47.9–57.5 V clamping voltage @ 32 A (8/20 µs) - limits downstream IC stress during worst-case surge events. |
| Rdyn | 0.15 Ω dynamic resistance - enables low-voltage overshoot and efficient energy dissipation during transient suppression. |
| PPPM | 1850 W peak pulse power @ 8/20 µs - supports robust protection against IEC 61000-4-5 Level 4 surges. |
| ESD Rating | ±30 kV contact/air discharge per IEC 61000-4-2 - eliminates need for external ESD staging in USB, audio, and sensor interfaces. |
| Capacitance | 215 pF @ 1 MHz, 0 V - suitable for DC power rail protection but not high-speed data lines (>10 Mbps). |
Pinout & Package
DSN1608-2 (SOD964) is a 2-terminal, leadless, surface-mount package measuring 1.6 mm × 0.8 mm × 0.29 mm with 0.6 mm pitch and cathode-indicating marking bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to protected line (e.g., VBUS); conducts current toward ground during overvoltage event. |
| 2 (A) | Anode | Connected to system ground; completes current path during clamping, requiring low-inductance grounding. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low profile | 0.29 mm height - enables integration beneath mechanical shields and in stacked PCB assemblies common in smartphones and wearables. |
| High surge capability | 32 A peak pulse current (8/20 µs) - protects against IEC 61000-4-5 surges without derating in compact layouts. |
| Low dynamic resistance | 0.15 Ω - minimizes clamping voltage overshoot and reduces thermal stress during repetitive transients. |
| Low leakage | 0.1 nA typical IRM @ 26 V - prevents battery drain in always-on mobile subsystems such as RTC or PMIC standby rails. |
| ESD-hardened construction | ±30 kV IEC 61000-4-2 rating - eliminates need for cascaded protection in USB-C, SIM card, and button interfaces. |
Applications
| USB Power Delivery Input Protection | Smartphone Battery Charging Circuit |
|---|---|
|
Use Scenario: Protects VBUS line in USB-C receptacles from hot-plug surges and cable-induced transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VBUS and GND, activated within nanoseconds upon overvoltage detection. Use Value: Clamps to ≤57.5 V at 32 A, preventing damage to USB PD controller and buck converter ICs rated for 36 V max input. |
Use Scenario: Shields lithium-ion battery charge management ICs from voltage spikes during adapter plug/unplug cycles. IC Role / Device Role / Timing Role: Standoff diode on input side of linear charger or switching charger IC, absorbing 8/20 µs surges before they reach regulation circuitry. Use Value: 1850 W peak power handling sustains repeated surge events without degradation, supporting >10,000 mating cycles in consumer devices. |
| Industrial Sensor Node Power Rail | Wireless Earbud Charging Case |
|
Use Scenario: Guards 3.3 V or 5 V supply rails feeding MEMS sensors and low-power MCUs in IIoT edge nodes exposed to field wiring transients. IC Role / Device Role / Timing Role: Primary surge clamp on main DC input, positioned upstream of LDOs and level shifters. Use Value: 26 V VRWM allows use on 24 V industrial buses with margin; 0.15 Ω Rdyn ensures sub-100 ns response to fast-rising noise from motor drives. |
Use Scenario: Protects micro-USB or proprietary charging port in compact earbud cases against ESD from user handling and connector insertion. IC Role / Device Role / Timing Role: ESD suppressor on charging input line, placed adjacent to connector pad to minimize trace inductance. Use Value: ±30 kV contact discharge rating meets IEC 61000-4-2 Level 4, eliminating secondary protection components and saving 0.5 mm² PCB area per port. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ26A | DO-214AC package (4.5 mm × 2.7 mm), 400 W PPPM, 12.5 A IPPM, 1.0 mm height | Higher power rating insufficient for ultra-thin mobile designs; requires 5× more board area | Select when higher surge endurance is needed and board space is unconstrained. |
| TPSMF26A | SOD-123FL package (2.7 mm × 1.7 mm), 400 W PPPM, 12.5 A IPPM, 1.1 mm height | Larger footprint and lower surge rating; lacks ±30 kV ESD rating | Choose only for cost-sensitive industrial applications where ESD immunity is secondary. |
Compared with SMAJ26A and TPSMF26A, PTVS26VZ1USK uniquely combines 1850 W surge capacity with sub-0.3 mm height and ±30 kV ESD rating-enabling single-device protection in next-gen mobile form factors where both space and robustness are non-negotiable.
Availability
PTVS26VZ1USK is available at Aetrix Electronics and suitable for USB-C power delivery systems, smartphone battery management circuits, industrial sensor node power rails, and wireless earbud charging case designs requiring stable component supply across high-volume production ramps.
Supply support for PTVS26VZ1USK 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 discrete and logic devices, with leadership in advanced packaging and automotive-grade qualification.
PTVS26VZ1USK belongs to Nexperia's ultra-small-footprint TVS portfolio, engineered specifically for mobile and wearable electronics where board space, thickness, and ESD resilience are critical design constraints.
FAQ
What is the maximum junction temperature for continuous operation?
The PTVS26VZ1USK has a maximum junction temperature (Tj) of 150 °C, validated per IEC 60134 limiting values. This allows reliable operation in sealed mobile enclosures where ambient temperatures reach 85 °C, provided PCB copper area and thermal vias meet Nexperia's recommended layout for DSN1608-2.
Can this TVS be used on bidirectional signal lines like USB D+/D−?
No - PTVS26VZ1USK is unidirectional and only protects against positive transients on the cathode-connected line. For bidirectional data lines, a symmetric TVS such as PUSB3FR4 or ESD5V3U2U must be used; placing this part on D+/D− would cause forward conduction and signal distortion.
How does the 0.15 Ω dynamic resistance impact PCB layout?
A low Rdyn demands minimal trace inductance to realize full clamping performance. Layout best practice requires direct connection from cathode to protected net and anode to a solid ground plane using ≥2 thermal vias within 2 mm - longer or narrower traces increase effective clamping voltage beyond datasheet VCL.
Is the 26 V VRWM rating suitable for protecting a 24 V industrial bus?
Yes - with 2 V margin above nominal 24 V, PTVS26VZ1USK provides safe continuous operation while allowing headroom for normal bus ripple (±5 %) and transient tolerance. Its 28.9 V minimum VBR ensures no false triggering during 24 V ±10 % variations.
PTVS26VZ1USKYL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- 0603 (1608 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 26V (Max)
- Voltage - Breakdown (Min):
- 28.9V
- Voltage - Clamping (Max) @ Ipp:
- 46V
- Current - Peak Pulse (10/1000µs):
- 4.5A
- Power - Peak Pulse:
- 200W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 215pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DSN1608-2
PTVS26VZ1USKYL FAQ
1.How can I place an order for PTVS26VZ1USKYL through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS26VZ1USKYL 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 PTVS26VZ1USKYL reliable?
The price and inventory of PTVS26VZ1USKYL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS26VZ1USKYL is usually 5 days.
3.What payment methods are accepted for PTVS26VZ1USKYL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS26VZ1USKYL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS26VZ1USKYL?
PTVS26VZ1USKYL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS26VZ1USKYL 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 PTVS26VZ1USKYL?
For technical support, including PTVS26VZ1USKYL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS26VZ1USKYL requirements.
6.How does Aetrix verify that PTVS26VZ1USKYL is sourced from the original manufacturer or authorized distributors?
All PTVS26VZ1USKYL 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 PTVS26VZ1USKYL meets industry standards.
7.What is the process for return or replacement of PTVS26VZ1USKYL?
All PTVS26VZ1USKYL units undergo pre-shipment inspection (PSI). If there is an issue with PTVS26VZ1USKYL, 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 PTVS26VZ1USKYL part is unused and in its original packaging.
Return procedure for PTVS26VZ1USKYL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS26VZ1USKYL 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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