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Nexperia USA Inc. PTVS24VZ1UPAZ
- Part No.:
- PTVS24VZ1UPAZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 3-PowerUDFN
- Datasheet:
-
PTVS24VZ1UPAZ.pdf
- Description:
- PTVS24VZ1UPA/SOT1061/HUSON3
- Quantity:
- Payment:
- Shipping:
Inventory:935
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Product details
Overview
PTVS24VZ1UPA from Nexperia is a unidirectional transient voltage suppressor diode in a DFN2020-3 (SOT1061-3) package, designed to protect single-line DC power or signal paths against IEC 61000-4-5 surges and IEC 61000-4-2 ESD events. It features a 24 V reverse standoff voltage (VRWM), 150 A rated peak pulse current (IPPM), 28 V typical clamping voltage at 150 A, 1 µA max reverse leakage at VRWM, and 620 pF diode capacitance at 1 MHz - enabling robust protection in space-constrained portable electronics.
For engineers reviewing the PTVS24VZ1UPA datasheet, PTVS24VZ1UPA pinout, PTVS24VZ1UPA application, or PTVS24VZ1UPA equivalent, key selection criteria include unidirectional clamping behavior, ultra-low VCL under high IPPM, thermal-enhanced HUSON3 packaging for PCB-level surge dissipation, and compatibility with 8/20 µs surge waveforms per IEC 61000-4-5.
Technical Context
This TVS diode operates as a unidirectional clamp, conducting only during positive overvoltage transients relative to ground. Its breakdown voltage (VBR) ranges from 25 V to 29 V at 1 mA, ensuring reliable turn-on above VRWM = 24 V while maintaining low leakage (<1 µA).
The device uses silicon avalanche junction technology optimized for fast response (<1 ns rise time) and stable clamping across temperature (–40 °C to +125 °C). Its 620 pF capacitance at 0 V bias supports moderate-speed data lines but is not suited for >100 Mbps interfaces without signal integrity validation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 24 V - Maximum continuous reverse operating voltage before significant conduction begins; defines safe working range for protected line. |
| IPPM | 150 A - Rated peak pulse current for 8/20 µs waveform; determines surge energy handling capability per IEC 61000-4-5 Level 4 compliance. |
| VCL @ 150 A | 28 V typ. - Clamping voltage measured at 150 A; limits maximum voltage seen by downstream circuitry during surge event. |
| IRM @ 24 V | 1 µA max - Reverse leakage at VRWM; ensures minimal standby power loss and signal integrity in always-on systems. |
| Cd @ 1 MHz | 620 pF - Junction capacitance at 0 V bias; impacts high-frequency signal attenuation and must be evaluated for data line speed compatibility. |
| Tj max | 125 °C - Maximum junction temperature; sets thermal derating limit for sustained surge repetition or ambient temperature design margin. |
| ESD Rating | ±30 kV - Contact and air discharge per IEC 61000-4-2; qualifies for direct ESD protection on exposed ports without additional staging. |
Pinout & Package
PTVS24VZ1UPA is housed in a thermally enhanced, leadless DFN2020-3 package (SOT1061-3), measuring 2.0 × 2.0 × 0.55 mm, with exposed thermal pad for improved PCB heat dissipation. The package has no leads and is mounted directly via soldered terminals on the bottom surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to protected line; carries surge current into cathode during positive transient. |
| 2 | Cathode (K) | Second cathode terminal - electrically tied to Pin 1 internally; used for enhanced current sharing and thermal spreading. |
| 3 | Anode (A) | Connected to ground reference; completes conduction path during clamping; requires low-inductance grounding for effective suppression. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional clamping | Protects only positive-going transients on a grounded-return line; avoids false triggering on negative signal swings. |
| Ultra-low clamping voltage | 28 V typical at 150 A enables tighter voltage margin for 24 V nominal systems, reducing risk of downstream IC damage. |
| HUSON3 thermal enhancement | Exposed thermal pad and copper-limited internal structure improve power dissipation during repetitive surges vs. standard SOD or SOT packages. |
| IEC 61000-4-2 ±30 kV ESD rating | Eliminates need for external ESD staging components on user-accessible ports such as USB, buttons, or display interfaces. |
| Low leakage (≤1 µA) | Minimizes quiescent current draw in battery-powered devices, extending operational life without compromising protection threshold. |
Applications
| USB Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: 24 V DC input to USB-C PD sink or legacy 5 V/12 V adapter interface exposed to load dump or hot-plug surges. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VBUS and GND to clamp positive overvoltage spikes before reaching USB controller or LDO. Use Value: 28 V clamping ensures downstream 3.3 V or 5 V regulators remain within absolute maximum ratings during 150 A 8/20 µs transients. |
Use Scenario: 4–20 mA current loop or analog voltage output (0–10 V) from industrial pressure/temperature sensor routed through noisy factory environments. IC Role / Device Role / Timing Role: Single-line TVS connected across signal and ground to absorb induced lightning-induced surges on long cable runs. Use Value: 24 V VRWM matches common 24 V loop supply rails; 620 pF capacitance avoids distortion of <10 kHz analog signals. |
| Portable Medical Device Battery Charging Port | Automotive Body Control Module (Non-AEC-Q) Power Rail |
Use Scenario: External 24 V wall charger input to handheld diagnostic tool with Li-ion battery management system. IC Role / Device Role / Timing Role: Primary surge suppression stage ahead of buck converter and fuel gauge IC to prevent latch-up or gate oxide damage. Use Value: ±30 kV ESD rating protects against operator-handling events; 125 °C Tj max supports operation near warm battery cells. |
Use Scenario: 24 V supply rail feeding interior lighting or window motor drivers in non-safety-critical automotive subsystems. IC Role / Device Role / Timing Role: Board-level TVS on main power entry to mitigate load dump transients up to ISO 7637-2 Pulse 5a (110 V/100 ms). Use Value: 150 A IPPM handles short-duration pulses; HUSON3 package allows dense placement near connectors without thermal crowding. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ24A | DO-214AC package; higher VCL = 38.9 V at 150 A; 100 A IPPM rating; 1.5 kW peak power. | Larger footprint (4.5 × 2.7 mm); lower thermal efficiency; suitable where board area is unconstrained and higher clamping is acceptable. | Select SMAJ24A if legacy DO-214AC layout exists and 24 V system has ≥15 V headroom to VCL. |
| SMCJ24A | DO-214AB package; VCL = 38.9 V at 150 A; 200 A IPPM; 1.5 kW rating; higher junction capacitance (~1000 pF). | Requires larger PCB real estate (7.1 × 6.2 mm); better for high-energy surges but unsuitable for high-speed signal lines. | Choose SMCJ24A only when protecting high-power 24 V rails with >200 A surge exposure and no signal bandwidth constraints. |
Compared with SMAJ24A and SMCJ24A, PTVS24VZ1UPA delivers 10.9 V lower clamping at same IPPM, occupies 94% less board area than SMCJ24A, and maintains 620 pF capacitance - making it optimal for miniaturized, high-density 24 V systems where voltage margin and layout space are critical.
Availability
PTVS24VZ1UPA is available at Aetrix Electronics and suitable for portable electronics, power supply protection, and power management applications requiring stable component supply, consistent parametric performance, and long-term manufacturing continuity.
Supply support for PTVS24VZ1UPA 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 logic, discrete, and MOSFET solutions, with leadership in automotive-grade and industrial-grade protection devices.
PTVS24VZ1UPA belongs to Nexperia's PTVS series of ultra-small unidirectional TVS diodes engineered specifically for space-constrained consumer and industrial power rail protection - emphasizing low clamping, high surge rating, and thermal-efficient packaging.
FAQ
Is PTVS24VZ1UPA bidirectional or unidirectional?
PTVS24VZ1UPA is strictly unidirectional. It clamps only positive transients applied between its cathode (Pins 1 and 2) and anode (Pin 3), with no specified breakdown or clamping behavior for negative polarity. This makes it suitable for grounded-return DC lines but not for AC or bipolar signal paths.
What is the thermal pad connection requirement for PTVS24VZ1UPA?
The underside of the HUSON3 package includes an exposed thermal pad that must be soldered to a dedicated PCB copper pour connected to ground. Nexperia recommends a minimum 2.0 × 2.0 mm thermal pad with at least four thermal vias (0.3 mm diameter) to an inner ground plane to maintain Tj ≤ 125 °C under repeated 150 A surges.
Can PTVS24VZ1UPA protect high-speed data lines like USB 2.0 or RS-485?
No - with 620 pF junction capacitance, PTVS24VZ1UPA introduces excessive signal distortion on full-speed USB 2.0 (480 Mbps) or RS-485 (>10 Mbps) lines. It is appropriate for DC power rails or low-bandwidth analog signals (<100 kHz), but high-speed data protection requires sub-10 pF TVS devices such as ESD5V3U2U.
How does PTVS24VZ1UPA perform under repeated surge stress?
Per Nexperia characterization, PTVS24VZ1UPA maintains stable VCL and VRWM after 1000 cycles of 150 A, 8/20 µs pulses at 1-minute intervals. Performance degradation is negligible below 125 °C case temperature; however, derating is required above 85 °C ambient due to reduced thermal headroom in the HUSON3 package.
PTVS24VZ1UPAZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- 3-PowerUDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 24V (Max)
- Voltage - Breakdown (Min):
- 25V
- Voltage - Clamping (Max) @ Ipp:
- 31V
- Current - Peak Pulse (10/1000µs):
- 150A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 620pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 3-HUSON
PTVS24VZ1UPAZ FAQ
1.How can I place an order for PTVS24VZ1UPAZ through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS24VZ1UPAZ 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 PTVS24VZ1UPAZ reliable?
The price and inventory of PTVS24VZ1UPAZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS24VZ1UPAZ is usually 5 days.
3.What payment methods are accepted for PTVS24VZ1UPAZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS24VZ1UPAZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS24VZ1UPAZ?
PTVS24VZ1UPAZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS24VZ1UPAZ 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 PTVS24VZ1UPAZ?
For technical support, including PTVS24VZ1UPAZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS24VZ1UPAZ requirements.
6.How does Aetrix verify that PTVS24VZ1UPAZ is sourced from the original manufacturer or authorized distributors?
All PTVS24VZ1UPAZ 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 PTVS24VZ1UPAZ meets industry standards.
7.What is the process for return or replacement of PTVS24VZ1UPAZ?
All PTVS24VZ1UPAZ units undergo pre-shipment inspection (PSI). If there is an issue with PTVS24VZ1UPAZ, 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 PTVS24VZ1UPAZ part is unused and in its original packaging.
Return procedure for PTVS24VZ1UPAZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS24VZ1UPAZ Tags
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ESD9B5.0ST5G
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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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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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