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Nexperia USA Inc. PTVS24VU1UPAZ
- Part No.:
- PTVS24VU1UPAZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 3-PowerUDFN
- Datasheet:
-
PTVS24VU1UPAZ.pdf
- Description:
- TVS DIODE 24VWM 38.8VC 3HUSON
- Quantity:
- Payment:
- Shipping:
Inventory:1,930
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Product details
Overview
PTVS24VU1UPAZ from Nexperia is a unidirectional 300 W Transient Voltage Suppressor (TVS) in DFN2020-3 (SOT1061) package, designed for ESD and surge protection of single-line DC power or signal paths. It features 24 V reverse standoff voltage (VRWM), 79 A rated peak pulse current (8/20 µs), 38.5 V clamping voltage at 79 A, 1 nA reverse leakage at 24 V, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the PTVS24VU1UPAZ datasheet, PTVS24VU1UPAZ pinout, PTVS24VU1UPAZ application, or PTVS24VU1UPAZ equivalent, this device is selected for robust overvoltage protection where low-profile mounting, high surge immunity, and automotive-compliant transient suppression are required - especially in 24 V power rail and industrial I/O line protection.
Technical Context
This unidirectional TVS operates as a clamping diode between anode (pins 1 & 2) and cathode (pin 3), conducting only during positive transients relative to ground. Its breakdown voltage is 26.7–29.5 V at 1 mA, with dynamic resistance of 0.04 Ω measured via TLP at 100 ns, enabling fast response to ESD (±30 kV contact/air) and surge events (IEC 61000-4-5, IEC 61643-321).
The device exhibits 650 pF capacitance at 0 V reverse bias and 1 nA leakage at VRWM = 24 V, making it suitable for moderate-speed lines where capacitive loading must be constrained. Thermal derating follows a typical curve reducing PPPM to ~40% at 125 °C junction temperature, per Figure 5.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 24 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC working range on protected line. |
| VBR (min/typ/max) | 26.7 / 28.1 / 29.5 V at 1 mA - Breakdown onset threshold; ensures reliable conduction before downstream IC damage thresholds. |
| VCL @ 79 A (8/20 µs) | 38.5 V typical - Clamped voltage under 300 W surge; limits stress on downstream 24 V-rated components. |
| IPP (8/20 µs) | 79 A rated / 100 A average measured - Sustains 300 W transient energy without failure; validated per IEC 61000-4-5. |
| IRM @ 24 V | 1 nA typical - Ultra-low leakage preserves signal integrity and minimizes standby power loss in always-on circuits. |
| Cd @ 1 MHz, 0 V | 650 pF - Capacitance level compatible with <10 Mbps digital lines or 24 V analog sensor interfaces. |
| ESD Rating | ±30 kV (IEC 61000-4-2) - Withstands worst-case human-body-model ESD events without degradation. |
Pinout & Package
DFN2020-3 (SOT1061) is a 2.0 mm × 2.0 mm × 0.65 mm leadless thermal-enhanced ultra-thin plastic package with exposed thermal pad (not electrically connected), optimized for PCB heat dissipation and space-constrained automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 & 2 | Anode (A) | Parallel-connected input terminals; tied together internally and externally to handle high surge current with low inductance path. |
| 3 | Cathode (K) | Common return node to system ground; clamping occurs when voltage at pins 1/2 exceeds cathode by ≥VBR relative to ground. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional clamping architecture | Protects only positive-going transients on grounded-return lines; avoids false triggering on negative signal swings. |
| AEC-Q101 qualification | Validated for automotive underhood and body-control applications with extended temperature (-55 °C to +150 °C) and reliability stress testing. |
| Low-profile 0.65 mm height | Enables placement beneath connectors or in tight stacking configurations without mechanical interference in compact ECUs. |
| Thermal-enhanced DFN package | Improved thermal resistance vs. standard SOD-123; supports higher sustained surge duty cycles in thermally dense layouts. |
| 30 kV ESD immunity | Eliminates need for secondary ESD protection stages in CAN/LIN bus nodes or sensor inputs exposed to service environments. |
Applications
| Automotive Power Rail Protection | Industrial 24 V Sensor Interface |
|---|---|
Use Scenario: Protecting 24 V battery-fed microcontroller power rails in body control modules against load dump and jump-start surges. IC Role / Device Role / Timing Role: Unidirectional clamping diode placed at power entry point, shunting transients to chassis ground before reaching LDO or MCU VDD. Use Value: Limits clamped voltage to ≤38.5 V during 79 A 8/20 µs surge, preventing latch-up or oxide rupture in 3.3 V/5 V logic powered from buck converters. |
Use Scenario: Shielding analog outputs of 24 V industrial pressure transmitters from EFT bursts induced on 4–20 mA loop wiring. IC Role / Device Role / Timing Role: Line-side TVS on transmitter output stage, referenced to local ground, absorbing fast transients before op-amp output stage. Use Value: 1 nA leakage avoids offset error in precision current-sense amplifiers; 650 pF capacitance does not degrade 1 kHz sensor bandwidth. |
| Automotive LIN Bus Node | Industrial PLC Digital Input |
Use Scenario: Safeguarding LIN transceiver TX/RX pins against ESD during vehicle assembly or service port connection. IC Role / Device Role / Timing Role: Point-of-entry TVS on LIN bus line, with cathode tied to vehicle ground, clamping ±8 kV HBM pulses within 30 ns. Use Value: Clamps +8 kV ESD to 26 V (Fig. 13) and −8 kV to −1.7 V (Fig. 14), preserving transceiver's 12 V absolute max rating. |
Use Scenario: Protecting dry-contact digital input channels on 24 V PLC modules from field-wiring induced surges during maintenance or lightning coupling. IC Role / Device Role / Timing Role: Primary surge suppressor on input terminal block, mounted directly at connector, diverting 10/1000 µs surges to common ground plane. Use Value: 7.7 A rated IPP at 10/1000 µs enables compliance with IEC 61000-4-5 Level 4 (4 kV) on 24 V inputs without series impedance. |
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; 400 W rating; 24 V VRWM; 11.9 A IPP (10/1000 µs); 500 pF capacitance. | Larger footprint (4.5 × 2.7 mm) and 2.2 mm height limit use in ultra-thin modules; lower thermal mass reduces surge endurance at high repetition rates. | Select when board space allows larger SMD packages and legacy DO-214AC footprint compatibility is required. |
| SMCJ24A | DO-214AB package; 1500 W rating; 24 V VRWM; 61.5 A IPP (8/20 µs); 1200 pF capacitance. | Higher clamping voltage (43.5 V) and double the capacitance reduce suitability for high-speed or low-voltage-tolerant circuits. | Choose for higher-energy surge environments (e.g., alternator load dump) where 43.5 V clamping is acceptable and capacitance is not critical. |
Compared with SMAJ24A and SMCJ24A, PTVS24VU1UPAZ delivers superior board-area efficiency and lower clamping voltage in a thermally enhanced 2.0 × 2.0 mm footprint, while maintaining AEC-Q101 compliance - making it optimal for next-generation automotive ECUs and space-constrained industrial controllers.
Availability
PTVS24VU1UPAZ is available at Aetrix Electronics and suitable for automotive power rail protection, industrial 24 V sensor interfaces, and PLC digital input conditioning requiring stable component supply and long-term lifecycle support.
Supply support for PTVS24VU1UPAZ 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 delivering high-performance, reliable discrete, logic, and MOSFET devices with focus on efficiency, miniaturization, and automotive-grade quality.
PTVS24VU1UPAZ belongs to Nexperia's AEC-Q101-qualified TVS diode portfolio, engineered specifically for robust transient suppression in automotive and industrial 24 V systems where space, thermal performance, and ESD resilience are critical.
FAQ
What is the maximum junction temperature for continuous operation?
The PTVS24VU1UPAZ has a maximum junction temperature (Tj) of 150 °C, with derated peak pulse power beginning above 25 °C ambient. Its thermal resistance (RθJA) is optimized by the DFN2020-3 package's exposed copper pad, enabling sustained operation in engine bay or industrial control cabinet environments up to 125 °C ambient.
How does the dual-anode pin configuration improve surge handling?
Pins 1 and 2 are internally and externally paralleled anodes, halving effective bond wire inductance and distributing surge current across two paths. This reduces total dynamic impedance during 8/20 µs transients, lowering clamping voltage by ~0.5–1.0 V compared to single-anode equivalents and improving energy absorption consistency.
Can PTVS24VU1UPAZ protect bidirectional signals like RS-485?
No - PTVS24VU1UPAZ is unidirectional and only clamps positive transients relative to ground. For bidirectional lines such as RS-485, a symmetric TVS array (e.g., PUSB3FR4) or back-to-back diode configuration is required to suppress both polarities without forward-conducting during normal signal swing.
Is the marking code 'D6' sufficient for full traceability?
Yes - 'D6' is the official Nexperia top-marking for PTVS24VU1UPAZ per Table 4, and each reel carries full lot traceability including wafer ID, assembly date, and test data. Aetrix Electronics provides full material traceability documentation upon request for automotive PPAP or industrial audit compliance.
PTVS24VU1UPAZ 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):
- 26.7V
- Voltage - Clamping (Max) @ Ipp:
- 38.8V
- Current - Peak Pulse (10/1000µs):
- 7.7A
- Power - Peak Pulse:
- 300W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 650pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 3-HUSON (2x2)
PTVS24VU1UPAZ FAQ
1.How can I place an order for PTVS24VU1UPAZ through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS24VU1UPAZ 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 PTVS24VU1UPAZ reliable?
The price and inventory of PTVS24VU1UPAZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS24VU1UPAZ is usually 5 days.
3.What payment methods are accepted for PTVS24VU1UPAZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS24VU1UPAZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS24VU1UPAZ?
PTVS24VU1UPAZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS24VU1UPAZ 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 PTVS24VU1UPAZ?
For technical support, including PTVS24VU1UPAZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS24VU1UPAZ requirements.
6.How does Aetrix verify that PTVS24VU1UPAZ is sourced from the original manufacturer or authorized distributors?
All PTVS24VU1UPAZ 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 PTVS24VU1UPAZ meets industry standards.
7.What is the process for return or replacement of PTVS24VU1UPAZ?
All PTVS24VU1UPAZ units undergo pre-shipment inspection (PSI). If there is an issue with PTVS24VU1UPAZ, 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 PTVS24VU1UPAZ part is unused and in its original packaging.
Return procedure for PTVS24VU1UPAZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS24VU1UPAZ Tags
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Nexperia USA Inc.
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