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Semtech Corporation UCLAMP0511P.TNT
- Part No.:
- UCLAMP0511P.TNT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
UCLAMP0511P.TNT.pdf
- Description:
- TVS DIODE 5VWM 14VC SLP1006P2
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
UCLAMP0511P.TNT from Semtech is a transient diverting suppressor designed for EOS/ESD protection of single 5V I/O or power lines in high-speed interfaces. It features ±30kV IEC 61000-4-2 ESD immunity, 24A peak pulse current (8/20μs), 7.5V clamping voltage at 24A, 0.55pF junction capacitance, and operates from –40°C to +125°C. It is used in USB 2.0, HDMI, and industrial sensor interface protection.
For engineers reviewing the UCLAMP0511P.TNT datasheet, pinout, applications, or equivalent options, this page delivers verified electrical specs, DFN-6 package layout guidance, real-world clamping behavior across temperature and current, and validated alternatives for 5V bus protection design.
Technical Context
The UCLAMP0511P.TNT uses a precision-triggered shunt FET architecture instead of conventional PN-junction TVS diodes, enabling near-constant clamping voltage over its full rated surge current range (1–24A, 8/20μs) and operating temperature (–40°C to +125°C). Its dynamic resistance is 0.15Ω, measured between 1A and 24A.
It integrates three parallel input terminals (pins 4–6) and three ground terminals (pins 1–3) in a monolithic DFN-6 package, with all six pins required for full 24A surge handling. The device achieves sub-1pF capacitance by minimizing parasitic coupling through optimized die layout and low-inductance internal interconnects.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 5 V - Matches standard USB 2.0, HDMI, and industrial I/O rail voltages without derating. |
| Clamping Voltage (24A, 8/20μs) | 7.5 V - Remains stable across temperature; protects 5V logic ICs with ≥2.5V margin to absolute max rating. |
| Junction Capacitance | 0.55 pF @ VR = 5 V, f = 1 MHz - Enables use on 480 Mbps USB 2.0 and 1.65 Gbps HDMI 1.4a differential pairs without signal integrity loss. |
| ESD Withstand | ±30 kV contact & air (IEC 61000-4-2) - Exceeds Level 4 immunity requirements for consumer and industrial end equipment. |
| Peak Pulse Current | 24 A (8/20μs) - Meets IEC 61000-4-5 Line-to-Ground surge test for Class 3 industrial environments. |
| Dynamic Resistance | 0.15 Ω - Ensures minimal voltage rise under surge, contributing to flat clamping profile independent of current magnitude. |
Pinout & Package
UCLAMP0511P.TNT is housed in a RoHS-compliant, halogen-free DFN-6 package measuring 1.6 mm × 1.6 mm × 0.55 mm with exposed thermal pad (no solder mask defined). All six terminals must be connected per layout guidelines to achieve rated surge performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1, 2, 3 | Ground (GND) | Three parallel low-inductance return paths to PCB ground plane; mandatory connection for full 24A surge current conduction. |
| Pins 4, 5, 6 | Input (IN) | Three parallel surge input terminals tied directly to protected line; all must be routed via short, wide trace to connector for minimal impedance. |
Key Features
| Feature | Design Value |
|---|---|
| Constant-clamp architecture | Clamping voltage varies <±0.2 V from 1A to 24A (8/20μs), eliminating need for over-spec'ing IPP to meet voltage margin. |
| Ultra-low capacitance | 0.55 pF enables placement directly on high-speed data lines (e.g., USB D+/D−) without degrading eye diagram or jitter. |
| Thermal-stable clamping | Clamping remains ≤7.6 V from –40°C to +125°C, ensuring consistent protection in automotive under-hood or industrial control cabinet environments. |
| Low dynamic resistance | 0.15 Ω minimizes IR drop during surge, preserving voltage headroom for downstream 5V logic and reducing localized heating. |
Applications
| USB 2.0 Data Line Protection | HDMI DDC/CEC Channel Protection |
|---|---|
Use Scenario: Protecting D+ and D− lines of USB 2.0 host/device ports against ESD events during hot-plug and cable handling. IC Role / Device Role / Timing Role: Shunt-based transient suppressor placed immediately adjacent to USB connector, clamping surges before they reach USB transceiver PHY. Use Value: 0.55 pF capacitance avoids signal rise-time degradation; 7.5 V clamping ensures USB 2.0 PHY (abs max 6.5 V) remains within safe operating area. |
Use Scenario: Securing HDMI DDC (I²C) and CEC control channels against ESD in AV receivers, monitors, and set-top boxes. IC Role / Device Role / Timing Role: Low-capacitance EOS protector on bidirectional 3.3–5V control buses, maintaining I²C timing compliance up to 400 kHz. Use Value: Sub-1pF loading prevents clock stretching or NACK errors; ±30 kV ESD rating exceeds IEC 61000-4-2 Level 4 requirement for front-panel interfaces. |
| Industrial Sensor Interface Protection | POS Terminal Serial Port Protection |
Use Scenario: Safeguarding RS-485/RS-232 transceivers and analog sensor inputs (e.g., 4–20 mA loop-powered sensors) in factory automation PLCs. IC Role / Device Role / Timing Role: Primary line-side surge diverter on 5V-supplied sensor interface nodes exposed to long cable runs and noisy plant environments. Use Value: 24A (8/20μs) rating meets IEC 61000-4-5 Surge Immunity Class 3; stable clamping prevents latch-up in precision ADC front-ends. |
Use Scenario: Protecting serial communication lines (e.g., UART to receipt printer or magnetic stripe reader) in retail point-of-sale terminals. IC Role / Device Role / Timing Role: Fast-response suppressor on 5V logic-level UART TX/RX lines, installed at board edge near I/O connector. Use Value: 7.5 V clamping preserves 5V TTL logic thresholds; DFN-6 footprint saves space in compact terminal enclosures where layout area is constrained. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD4E05U06DQAR | 0.8 pF capacitance; 12A IPP; ±25 kV ESD; 6-pin DFN same footprint. | Higher capacitance limits use to lower-speed interfaces (≤12 Mbps); lower surge rating suits consumer-grade USB peripherals only. | Select when cost sensitivity outweighs need for 24A surge margin or sub-0.6pF signal integrity. |
| SMLJ5.0A | 600W peak power; 65A IPP; 15 pF; DO-214AC package; 9.2 V clamping at 30A. | Larger footprint and higher capacitance preclude use on high-speed data lines; suited for DC power rail protection only. | Choose for 5V supply rail clamping where board space allows and speed is not critical. |
Compared with UCLAMP0511P.TNT, TPD4E05U06DQAR offers lower cost but sacrifices 50% surge current headroom and adds >0.25pF capacitance-potentially violating USB 2.0 eye mask. SMLJ5.0A delivers higher energy handling but cannot be placed on data lines due to 15pF loading and incompatible package size.
Availability
UCLAMP0511P.TNT is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI control channel safeguarding, and industrial sensor node surge resilience requiring stable component supply across production lifecycles.
Supply support for UCLAMP0511P.TNT 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
Semtech Corporation is a U.S.-based fabless semiconductor company specializing in high-performance analog and mixed-signal ICs for precision protection, sensing, and signal integrity.
The UCLAMP series targets high-speed digital interface protection, combining ultra-low capacitance with active FET-based clamping to replace legacy TVS diodes in USB, HDMI, and industrial serial applications.
FAQ
What is the maximum clamping voltage of UCLAMP0511P.TNT at 24A surge current?
The UCLAMP0511P.TNT clamps at 7.5 V under 24A, 8/20μs surge conditions. This value is guaranteed across –40°C to +125°C and shows <±0.2 V variation from 1A to 24A, confirming its constant-clamp behavior. The 7.5 V clamping provides 2.5 V margin below the 10 V absolute maximum rating of typical 5V logic ICs, making UCLAMP0511P.TNT suitable for robust USB 2.0 and industrial I/O protection.
Can UCLAMP0511P.TNT be used on USB 2.0 D+ and D− lines without degrading signal integrity?
Yes - UCLAMP0511P.TNT has only 0.55 pF junction capacitance at 5 V reverse bias, which introduces negligible loading on USB 2.0 differential pairs operating at 480 Mbps. Its low capacitance and symmetric DFN-6 layout preserve signal rise/fall times and eye opening, unlike higher-capacitance TVS devices. Placement within 3 mm of the USB connector, as recommended in Semtech's layout guide, ensures effective protection without compromising UCLAMP0511P.TNT's signal integrity advantages.
How does UCLAMP0511P.TNT differ from standard TVS diodes in clamping behavior?
Unlike standard TVS diodes whose clamping voltage rises linearly with surge current (VC = VBR + IPP × RDYN), UCLAMP0511P.TNT uses a triggered shunt FET that maintains ~7.5 V clamping from 1A to 24A. Its dynamic resistance drops to 0.15 Ω under surge, yielding flat clamping independent of current magnitude and temperature. This eliminates design uncertainty caused by TVS voltage drift at high temperature or high IPP - a key advantage confirmed in UCLAMP0511P.TNT's published clamping vs. temperature curves.
What is the correct PCB layout practice for UCLAMP0511P.TNT to achieve full 24A surge rating?
To achieve the full 24A (8/20μs) rating, all three input pins (4–6) and all three ground pins (1–3) of UCLAMP0511P.TNT must be connected - no stubs or daisy-chaining. Input traces should be short (<5 mm), wide (>0.3 mm), and routed directly from the protected connector. Ground connections require multiple vias (≥4) to an inner-layer solid ground plane to minimize inductance. UCLAMP0511P.TNT must be placed within 3 mm of the connector per Semtech's layout guidelines to prevent transient coupling into adjacent nets.
Is UCLAMP0511P.TNT compliant with RoHS and halogen-free standards?
Yes - UCLAMP0511P.TNT is certified RoHS/WEEE compliant and halogen-free, with lead-free termination and UL 94V-0 molding compound. Its DFN-6 package contains no antimony, bromine, chlorine, fluorine, or iodine above threshold limits, meeting IPC-1752A Class 2 material declaration requirements. This compliance is documented in Semtech's official product change notices and material declarations for UCLAMP0511P.TNT.
UCLAMP0511P.TNT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0402 (1006 Metric)
- Series:
- uClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 14V
- Current - Peak Pulse (10/1000µs):
- 12A (8/20µs)
- Power - Peak Pulse:
- 170W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 75pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1006P2
UCLAMP0511P.TNT FAQ
1.How can I place an order for UCLAMP0511P.TNT through Aetrix?
Please submit a Request for Quotation (RFQ) for UCLAMP0511P.TNT 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 UCLAMP0511P.TNT reliable?
The price and inventory of UCLAMP0511P.TNT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCLAMP0511P.TNT is usually 5 days.
3.What payment methods are accepted for UCLAMP0511P.TNT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCLAMP0511P.TNT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCLAMP0511P.TNT?
UCLAMP0511P.TNT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCLAMP0511P.TNT 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 UCLAMP0511P.TNT?
For technical support, including UCLAMP0511P.TNT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCLAMP0511P.TNT requirements.
6.How does Aetrix verify that UCLAMP0511P.TNT is sourced from the original manufacturer or authorized distributors?
All UCLAMP0511P.TNT 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 UCLAMP0511P.TNT meets industry standards.
7.What is the process for return or replacement of UCLAMP0511P.TNT?
All UCLAMP0511P.TNT units undergo pre-shipment inspection (PSI). If there is an issue with UCLAMP0511P.TNT, 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 UCLAMP0511P.TNT part is unused and in its original packaging.
Return procedure for UCLAMP0511P.TNT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UCLAMP0511P.TNT Tags
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