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Nexperia USA Inc. PTVS51VP1UP,115
- Part No.:
- PTVS51VP1UP,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SOD-128
- Datasheet:
-
PTVS51VP1UP,115.pdf
- Description:
- TVS DIODE 51VWM 82.4VC SOD128
- Quantity:
- Payment:
- Shipping:
Inventory:2,282
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Product details
Overview
PTVS51VP1UP,115 from Nexperia is a unidirectional 600 W Transient Voltage Suppressor (TVS) in SOD128 (CFP5) package, designed for high-energy ESD and surge protection on DC power rails. It features a 51 V reverse standoff voltage (VRWM), 62.7 V typical breakdown voltage (VBR), 82.4 A peak pulse current (IPPM), and clamps transients to 82.4 V at rated pulse, with <0.1 µA reverse leakage at VRWM - used in industrial power supply input stages.
For engineers reviewing the PTVS51VP1UP,115 datasheet, PTVS51VP1UP,115 pinout, PTVS51VP1UP,115 application, or PTVS51VP1UP,115 equivalent, key selection criteria include clamping voltage margin vs. protected IC's absolute maximum rating, thermal resistance to PCB copper area, 10/1000 µs waveform compliance per IEC 61643-321, and SOD128 footprint compatibility with automated SMT assembly.
Technical Context
This unidirectional TVS operates as a voltage-clamped shunt device: under normal bias it presents <0.1 µA leakage at 51 V; when transient voltage exceeds 62.7 V (VBR, typ.), it avalanches rapidly to limit downstream voltage to ≤82.4 V (VCL) at 82.4 A (IPPM). Its junction-to-solder-point thermal resistance is 12 K/W, enabling effective heat dissipation during repetitive surges when mounted per recommended cathode pad layout.
The device complies with IEC 61643-321 for 10/1000 µs waveform testing and achieves 30 kV contact ESD immunity (IEC 61000-4-2) and >4 kV HBM rating. Its SOD128 package delivers 1 mm profile height and 3.8 mm × 2.6 mm footprint - optimized for space-constrained board-level protection without compromising pulse power handling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (PPPM) | 600 W - sustains single 10/1000 µs surge events up to this energy level without failure |
| Reverse Standoff Voltage (VRWM) | 51 V - maximum continuous DC voltage before significant leakage; sets operating rail margin |
| Breakdown Voltage (VBR) | 62.7 V (typ.) - voltage at which avalanche conduction begins; defines clamping onset threshold |
| Clamping Voltage (VCL) | 82.4 V at IPPM = 82.4 A - maximum voltage seen by protected circuit during rated surge |
| Peak Pulse Current (IPPM) | 82.4 A - peak current handled at VCL; determines minimum trace width and fuse coordination |
| Reverse Leakage (IRM) | 0.1 µA max at VRWM - negligible standby power loss and minimal impact on upstream regulator load |
| Thermal Resistance (Rth(j-sp)) | 12 K/W - enables efficient heat transfer from junction to solder point with standard cathode pad |
Pinout & Package
PTVS51VP1UP,115 uses the SOD128 (CFP5) surface-mount plastic package: 2-terminal, 3.8 mm × 2.6 mm × 1.0 mm body, 4 mm lead pitch, flat lead profile optimized for reflow soldering. The marking bar denotes the cathode end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to protected line (e.g., +12 V rail); carries full surge current during clamping |
| 2 (A) | Anode | Connected to ground reference; forms low-inductance return path essential for fast transient response |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power rating | Supports robust protection against IEC 61000-4-5 Level 4 (4 kV) surges on 24–48 V industrial lines |
| 1 mm package height | Enables use in ultra-low-profile applications such as automotive body control modules and portable test equipment |
| 0.1 µA IRM at VRWM | Minimizes quiescent current draw and avoids false triggering of upstream overvoltage monitors |
| 30 kV ESD contact rating | Exceeds IEC 61000-4-2 Level 4 requirement, eliminating need for additional ESD staging on board edges |
| SOD128 footprint compatibility | Matches industry-standard layout for automated placement and reflow, reducing NRE and assembly cost |
Applications
| Industrial Power Supply Input Protection | Programmable Logic Controller (PLC) I/O Module |
|---|---|
Use Scenario: 48 V DC input stage of DIN-rail mounted power supply exposed to lightning-induced surges on long field wiring. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between +48 V rail and chassis ground, clamping transients within 1 ns. Use Value: Limits voltage to 82.4 V during 82.4 A surge, protecting downstream DC-DC controllers rated to 100 V absolute max. |
Use Scenario: 24 V digital input channel of modular PLC subjected to inductive kickback from solenoid switching. IC Role / Device Role / Timing Role: Primary overvoltage clamp on signal line, positioned before optocoupler input diode. Use Value: Prevents latch-up in input buffer ICs by clamping transients below 85 V while adding <1 pF capacitance at 0 V bias. |
| Factory Automation Sensor Interface | Building Management System (BMS) Controller |
Use Scenario: RS-485 transceiver power rail (VCC) in temperature sensor node installed in HVAC ductwork. IC Role / Device Role / Timing Role: Secondary rail protection device parallel to bulk capacitor, activated after primary MOV clamping. Use Value: Provides precise low-leakage clamping (0.1 µA) to avoid loading 3.3 V LDO supplying transceiver, unlike higher-leakage alternatives. |
Use Scenario: 24 V auxiliary supply input of BMS main controller board receiving power from centralized building UPS. IC Role / Device Role / Timing Role: Final-stage transient suppressor before PMIC, complementing upstream common-mode chokes and X-capacitors. Use Value: Ensures <12 K/W thermal path to PCB ground plane, maintaining junction temperature <125 °C during repeated 10/1000 µs surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ51A | DO-214AC package; 51 V VRWM; 64.5 V VBR (min); 87.1 V VCL at 69.4 A; Rth(j-a) = 60 K/W | Larger footprint (4.5 mm × 2.7 mm), higher clamping voltage, lower IPPM, higher thermal resistance | Select when legacy DO-214AC layout exists and 87.1 V clamping is acceptable for protected IC's rating |
| SMCJ51A | DO-214AB package; 51 V VRWM; 56.7 V VBR (min); 87.1 V VCL at 69.4 A; PPPM = 1500 W | Same clamping as SMAJ51A but higher power rating; larger 7.1 mm × 6.2 mm body; 2.5 mm height | Choose only if system requires >600 W surge handling and board space permits larger SMC footprint |
Compared with SMAJ51A and SMCJ51A, PTVS51VP1UP,115 offers superior board-space efficiency (3.8 mm × 2.6 mm), lower clamping voltage (82.4 V vs. 87.1 V), and significantly better thermal performance (12 K/W vs. ≥60 K/W), making it optimal for compact, thermally constrained industrial designs where precise voltage limiting is critical.
Availability
PTVS51VP1UP,115 is available at Aetrix Electronics and suitable for industrial power supply protection, PLC I/O modules, factory automation sensor interfaces, and building management system controllers requiring stable component supply across multi-year production cycles.
Supply support for PTVS51VP1UP,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 delivering high-performance, reliable discrete, logic, and MOSFET devices, with core expertise in efficiency-critical and high-volume applications.
The PTVSxP1UP series targets board-level transient protection in industrial and infrastructure systems, emphasizing low-profile packaging, precise clamping, and robust IEC 61643-321 compliance without automotive qualification overhead.
FAQ
What is the maximum clamping voltage of PTVS51VP1UP,115 at its rated peak pulse current?
The clamping voltage (VCL) is 82.4 V at the rated peak pulse current (IPPM) of 82.4 A, measured under IEC 61643-321 10/1000 µs waveform conditions. This value is guaranteed maximum per datasheet Table 8 and defines the upper voltage limit imposed on protected circuitry during surge events.
Does PTVS51VP1UP,115 retain AEC-Q101 qualification for automotive use?
No - per Revision History v.3 (20251201), PTVS51VP1UP,115 is excluded from the list of products retaining AEC-Q101 qualification. It is intended for industrial, telecom, and building automation applications where automotive-grade stress testing is not required.
How does the SOD128 package affect PCB layout for optimal thermal performance?
Optimal thermal performance requires a minimum 1 cm² copper pour connected to the cathode (Pin 1) pad, per Thermal Characteristics Table 6. The 12 K/W junction-to-solder-point resistance is achieved only with this dedicated thermal pad; standard FR4 traces alone raise Rth(j-a) to 200 K/W and risk thermal runaway during repeated surges.
Can PTVS51VP1UP,115 be used in bidirectional protection configurations?
No - it is a unidirectional TVS diode with anode and cathode terminals. Bidirectional protection requires either two devices in series opposition or a dedicated bidirectional part (e.g., PTVS51VB1UP). Using this part in reverse bias beyond VRWM risks permanent damage due to lack of reverse avalanche capability.
PTVS51VP1UP,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SOD-128
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 51V
- Voltage - Breakdown (Min):
- 56.7V
- Voltage - Clamping (Max) @ Ipp:
- 82.4V
- Current - Peak Pulse (10/1000µs):
- 7.3A
- Power - Peak Pulse:
- 600W
- 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-128/CFP5
PTVS51VP1UP,115 FAQ
1.How can I place an order for PTVS51VP1UP,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PTVS51VP1UP,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 PTVS51VP1UP,115 reliable?
The price and inventory of PTVS51VP1UP,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PTVS51VP1UP,115 is usually 5 days.
3.What payment methods are accepted for PTVS51VP1UP,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PTVS51VP1UP,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PTVS51VP1UP,115?
PTVS51VP1UP,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PTVS51VP1UP,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 PTVS51VP1UP,115?
For technical support, including PTVS51VP1UP,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PTVS51VP1UP,115 requirements.
6.How does Aetrix verify that PTVS51VP1UP,115 is sourced from the original manufacturer or authorized distributors?
All PTVS51VP1UP,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 PTVS51VP1UP,115 meets industry standards.
7.What is the process for return or replacement of PTVS51VP1UP,115?
All PTVS51VP1UP,115 units undergo pre-shipment inspection (PSI). If there is an issue with PTVS51VP1UP,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 PTVS51VP1UP,115 part is unused and in its original packaging.
Return procedure for PTVS51VP1UP,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PTVS51VP1UP,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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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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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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Diodes Incorporated
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