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Nexperia USA Inc. PTVS20VS1UR,115
- Part No.:
- PTVS20VS1UR,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SOD-123W
- Datasheet:
-
PTVS20VS1UR,115.pdf
- Description:
- TVS DIODE 20VWM 32.4VC SOD123W
- Quantity:
- Payment:
- Shipping:
Inventory:41,154
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Product details
Overview
PTVS20VS1UR,115 from Nexperia is a unidirectional 400 W Transient Voltage Suppressor (TVS) in SOD123W (CFP3) package, designed for clamping transient overvoltages on DC power rails. It features 20 V reverse standoff voltage (VRWM), 24.5 V maximum clamping voltage (VCL) at 12.3 A peak pulse current (IPPM), and 0.001 µA reverse leakage at VRWM - enabling robust protection in space-constrained industrial and power management circuits.
For engineers reviewing the PTVS20VS1UR,115 datasheet, PTVS20VS1UR,115 pinout, PTVS20VS1UR,115 application, or PTVS20VS1UR,115 equivalent, key selection criteria include clamping performance under IEC 61643-321 10/1000 µs waveform, thermal resistance to solder point (18 K/W), AEC-Q101 qualification status, and compatibility with standard SOD123W reflow footprints.
Technical Context
This unidirectional TVS operates as a silicon avalanche diode, triggered when reverse voltage exceeds VRWM = 20 V, entering low-impedance conduction to clamp transients. Its breakdown voltage (VBR) is specified at 22.2–24.5 V (min–max) with 10 mA test current, ensuring predictable turn-on behavior across temperature.
The device sustains 400 W rated peak pulse power (PPPM) per IEC 61643-321 (10/1000 µs), delivering 12.3 A IPPM while limiting voltage to ≤32.4 V at peak current - critical for protecting downstream 24 V-rated ICs and MOSFETs against ESD and load-dump surges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 20 V - Maximum continuous reverse operating voltage before clamping begins; sets minimum system rail margin. |
| VCL @ IPPM | 32.4 V at 12.3 A - Clamped voltage during full 400 W transient; ensures protected ICs stay below absolute max ratings. |
| PPPM | 400 W - Peak surge energy handling per IEC 61643-321 10/1000 µs waveform; supports automotive load-dump immunity. |
| IRM | 0.001 µA - Reverse leakage at VRWM; negligible power loss and signal integrity impact in standby. |
| Rth(j-sp) | 18 K/W - Thermal resistance from junction to cathode solder point; enables reliable power dissipation on standard FR4 PCBs. |
| ESD Rating | 30 kV contact discharge (IEC 61000-4-2); protects against human-body and system-level electrostatic events. |
Pinout & Package
PTVS20VS1UR,115 uses the SOD123W (CFP3) surface-mount plastic package: 2.6 mm × 1.7 mm × 1.0 mm body, 1 mm profile height, and tin-plated leads compatible with standard reflow profiles. The marking bar denotes the cathode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to protected circuit's positive rail; carries surge current into ground path during clamping. |
| 2 (A) | Anode | Connected to system ground; completes low-impedance path for transient energy diversion. |
Key Features
| Feature | Design Value |
|---|---|
| 400 W peak pulse power rating | Enables single-device protection against severe transients including ISO 7637-2 Load Dump (Test Pulse 5a) in 24 V systems. |
| AEC-Q101 qualified | Validated for automotive-grade reliability (HTOL, TC, HAST), supporting deployment in engine control and body electronics modules. |
| 1 mm package height | Reduces board profile and improves mechanical robustness in high-vibration environments like motor drives and EV charging interfaces. |
| Low 0.001 µA IRM | Minimizes quiescent current draw and avoids false triggering in low-power always-on circuits such as battery-backed sensors. |
Applications
| Industrial Power Rail Protection | 24 V PLC I/O Module Protection |
|---|---|
Use Scenario: Protecting 24 V DC input rails in programmable logic controllers against switching transients and inductive kickback from solenoids. IC Role / Device Role / Timing Role: Unidirectional TVS placed between +24 V and GND, clamping surges within 1 ns to prevent latch-up in upstream DC-DC controllers. Use Value: 32.4 V clamping ensures downstream 36 V-rated regulators remain within safe operating area during 100 V/500 ms load dump events. |
Use Scenario: Safeguarding digital input channels of modular I/O cards exposed to field wiring faults and cable coupling noise. IC Role / Device Role / Timing Role: Primary overvoltage clamp on each channel's supply line, coordinated with series current-limiting resistors and filtering caps. Use Value: 0.001 µA leakage prevents signal degradation in high-impedance 24 V sink-input configurations used in factory automation. |
| Automotive Body Control Module (BCM) | Industrial Motor Drive Gate Driver Supply |
Use Scenario: Protecting 12 V/24 V auxiliary supplies in BCMs powering window lifters, mirror controls, and lighting drivers. IC Role / Device Role / Timing Role: Secondary surge suppression stage after fuse and common-mode choke, absorbing residual transients missed by bulk filters. Use Value: AEC-Q101 qualification and 30 kV ESD rating ensure compliance with ISO 16750-2 and ISO 10605 requirements for passenger vehicle ECUs. |
Use Scenario: Clamping gate driver supply rails (e.g., 15 V isolated bias) in servo and HVAC inverter modules subject to fast dv/dt coupling. IC Role / Device Role / Timing Role: Fast-response TVS parallel to gate driver IC's VDD pin, suppressing sub-100 ns spikes induced by high-side switching. Use Value: 1 ns response time and 18 K/W Rth(j-sp) allow sustained operation without thermal runaway during repetitive 10 kHz PWM switching events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ20A | DO-214AC package (4.5 mm × 2.7 mm); 3.3 mm height; 400 W PPPM; VCL = 32.4 V @ 12.3 A; VRWM = 20 V. | Larger footprint and height; less suitable for ultra-thin designs; higher Rth(j-a) (~50 K/W). | Select when legacy DO-214AC layout exists or when higher thermal mass is needed for infrequent high-energy events. |
| 1.5SMC20A | DO-214AB package (7.1 mm × 6.2 mm); 2.6 mm height; 1500 W PPPM; VCL = 32.4 V @ 46.9 A; VRWM = 20 V. | Higher power rating but 3× larger area; not AEC-Q101 qualified; intended for non-automotive surge suppression. | Choose only for non-automotive 24 V systems requiring >400 W headroom, where board space permits and qualification is not required. |
Compared with SMAJ20A and 1.5SMC20A, PTVS20VS1UR,115 delivers identical clamping performance in a 60% smaller footprint, certified AEC-Q101 reliability, and optimized thermal path for high-density industrial PCBs - making it the preferred choice where space, qualification, and thermal efficiency are jointly constrained.
Availability
PTVS20VS1UR,115 is available at Aetrix Electronics and suitable for industrial power rail protection, 24 V PLC I/O modules, automotive body control units, and motor drive gate driver supplies requiring stable component supply and long-term lifecycle support.
Supply support for PTVS20VS1UR,115 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 - including logic, discretes, MOSFETs, and ESD/TVS protection devices.
The PTVSxS1UR series targets compact, high-efficiency transient protection in automotive and industrial power systems, emphasizing AEC-Q101 qualification, low-profile packaging, and precise clamping for modern 12 V/24 V architectures.
FAQ
Is PTVS20VS1UR,115 AEC-Q101 qualified?
Yes - PTVS20VS1UR,115 is qualified per AEC-Q101 Rev D for discrete semiconductors, covering stress tests including HTOL, temperature cycling, and HAST. This qualification remains valid per the December 2025 revision history, which confirms PTVS20VS1UR among the 33 types retaining automotive status.
What is the maximum clamping voltage at rated peak pulse current?
At its rated peak pulse current of 12.3 A (IPPM), PTVS20VS1UR,115 clamps to a maximum of 32.4 V per Table 8 of the datasheet. This value is measured under IEC 61643-321 10/1000 µs waveform conditions at Tj = 25 °C and defines the upper voltage limit imposed on protected circuitry during surge events.
Can PTVS20VS1UR,115 be used in bidirectional configurations?
No - PTVS20VS1UR,115 is strictly unidirectional. Its anode-cathode structure conducts only during reverse-biased overvoltage events. For bidirectional protection (e.g., data lines or AC rails), a separate symmetric TVS array or dedicated bidirectional device such as PTVS20VS1UR-S (if available) is required.
What is the recommended PCB footprint for reflow soldering?
The official Nexperia footprint for SOD123W (CFP3) specifies 1.2 mm × 1.4 mm solder lands with 0.1 mm stencil thickness, 2.1 mm center-to-center pad spacing, and 4.4 mm overall occupied area. This layout ensures optimal thermal transfer and mechanical reliability per Figure 6 of the datasheet.
PTVS20VS1UR,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SOD-123W
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 20V
- Voltage - Breakdown (Min):
- 22.2V
- Voltage - Clamping (Max) @ Ipp:
- 32.4V
- Current - Peak Pulse (10/1000µs):
- 12.3A
- Power - Peak Pulse:
- 400W
- 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-123W
PTVS20VS1UR,115 FAQ
1.How can I place an order for PTVS20VS1UR,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS20VS1UR,115 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 PTVS20VS1UR,115 reliable?
The price and inventory of PTVS20VS1UR,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS20VS1UR,115 is usually 5 days.
3.What payment methods are accepted for PTVS20VS1UR,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS20VS1UR,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS20VS1UR,115?
PTVS20VS1UR,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS20VS1UR,115 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 PTVS20VS1UR,115?
For technical support, including PTVS20VS1UR,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS20VS1UR,115 requirements.
6.How does Aetrix verify that PTVS20VS1UR,115 is sourced from the original manufacturer or authorized distributors?
All PTVS20VS1UR,115 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 PTVS20VS1UR,115 meets industry standards.
7.What is the process for return or replacement of PTVS20VS1UR,115?
All PTVS20VS1UR,115 units undergo pre-shipment inspection (PSI). If there is an issue with PTVS20VS1UR,115, 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 PTVS20VS1UR,115 part is unused and in its original packaging.
Return procedure for PTVS20VS1UR,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS20VS1UR,115 Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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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
-
ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
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PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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D5V0L1B2WS-7
Diodes Incorporated
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