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Semtech Corporation UCLAMP4061P.TNT
- Part No.:
- UCLAMP4061P.TNT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0603 (1608 Metric)
- Datasheet:
-
UCLAMP4061P.TNT.pdf
- Description:
- TVS DIODE 40VWM 80VC SLP1608P2
- Quantity:
- Payment:
- Shipping:
Inventory:22,720
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Product details
Overview
UCLAMP4061P.TNT from Semtech is a transient diverting suppressor designed for high-energy EOS protection of single 22V I/O or power lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), 27.5–28V clamping voltage at 40A, 20mΩ dynamic resistance, and 175pF junction capacitance - deployed in USB Type-C PD input protection and industrial load switch front-end circuits.
For engineers reviewing the UCLAMP4061P.TNT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping stability across temperature and current, low dynamic resistance for flat VC vs. IPP behavior, DFN-6 package layout compatibility, and compliance with IEC 61000-4-2/4-4/4-5 surge standards.
Technical Context
The UCLAMP4061P.TNT employs a surge-rated FET as its primary protection element, activated by a precision trigger circuit that turns on the shunt path when transient voltage exceeds breakdown. Unlike conventional TVS diodes, its clamping voltage remains nearly constant (27.5–28V) from 24A to 40A due to decreasing RDS(on) under surge conditions.
It operates over −40°C to +125°C with stable clamping performance, maintains <600nA reverse leakage at 22V, and delivers 1120W peak pulse power. Its functional architecture separates trigger threshold (27.9V typ. VBR) from clamping level (~27.6V), enabling predictable protection margin below 22V system rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22V - defines maximum continuous DC bus voltage it can protect without leakage or degradation. |
| Clamping Voltage | 27.5–28V at 40A (8/20μs) - ensures protected ICs (e.g., USB PD controllers) remain below damage thresholds during worst-case surges. |
| Peak Pulse Current | 40A (8/20μs) - meets IEC 61000-4-5 Level 4 industrial surge requirements for 22V systems. |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - provides robust handling of human-body-model ESD events in portable and connector-facing designs. |
| Dynamic Resistance | 20mΩ - enables flat clamping curve and minimizes voltage rise under increasing surge current. |
| Junction Capacitance | 175pF at 22V, 1MHz - suitable for moderate-speed power/data lines (e.g., VBUS, load switch inputs), not ultra-high-speed signal lines. |
Pinout & Package
UCLAMP4061P.TNT is housed in a RoHS-compliant DFN-6 package measuring 1.6mm × 1.6mm × 0.55mm with exposed thermal pad (no internal thermal pad required; energy dissipated in silicon). All six terminals are surface-mount; pins must be fully connected to achieve rated surge performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1, 2, 3 | GND | Common ground return path for surge current; all three must be soldered and vias used to inner ground plane to minimize inductance. |
| Pins 4, 5, 6 | IN | Protected line input (e.g., VBUS, load switch VIN); parallel connection ensures current sharing and full 40A rating. |
Key Features
| Feature | Design Value |
|---|---|
| Constant clamping voltage across 24–40A | 27.5–28V range maintained regardless of surge magnitude - eliminates need for overrating to meet clamping spec at high IPP. |
| Stable clamping over −40°C to +125°C | No increase in VC with temperature - unlike TVS diodes, avoids derating at elevated ambient or junction temperatures. |
| Low dynamic resistance (20mΩ) | Enables efficient shunting with minimal IR drop - critical for protecting low-voltage-tolerance ICs downstream of 22V rails. |
| High EFT immunity (±4kV, IEC 61000-4-4) | Withstands repetitive fast transients on industrial power/data lines without parameter shift or degradation. |
Applications
| USB Type-C Power Delivery Input Protection | Industrial Load Switch Front-End Protection |
|---|---|
Use Scenario: Protecting VBUS lines in USB-C ports supporting up to 20V/5A PD negotiation against lightning-induced surges and connector ESD. IC Role / Device Role / Timing Role: Transient diverting suppressor placed directly at the Type-C receptacle, shunting surge current to ground before reaching PD controller or load switch. Use Value: Maintains 27.6V clamping at 40A and 125°C - stays 2.4V below typical 30V PD controller absolute max rating, ensuring reliable operation across temperature and surge levels. |
Use Scenario: Safeguarding input terminals of industrial-grade load switches (e.g., HS2950P) in remote meters, robotics, and factory automation equipment. IC Role / Device Role / Timing Role: Primary EOS barrier upstream of the load switch's internal FET, limiting voltage stress during 1.2/50μs + 8/20μs combination wave surges. Use Value: Prevents gate oxide damage and latch-up in the load switch by holding clamping voltage ≤28V - well below 30V+ VDS(max) ratings while delivering full 40A surge capability. |
| IoT Device Power Rail Protection | Storage Device 22V Bus Protection |
Use Scenario: Securing 22V auxiliary power inputs in battery-backed IoT gateways exposed to field-installed wiring transients and electrostatic discharge. IC Role / Device Role / Timing Role: Solid-state transient suppressor replacing traditional TVS diodes to improve reliability in thermally constrained enclosures. Use Value: Delivers consistent 27.6V clamping at 40A even at +85°C ambient - avoids thermal runaway and clamping voltage drift common in PN-junction TVS devices. |
Use Scenario: Protecting 22V power rails in NVMe SSD enclosures and enterprise storage backplanes subject to hot-plug and cable discharge events. IC Role / Device Role / Timing Role: High-energy EOS suppressor placed at board edge near power connector to intercept transients before reaching PMIC or storage controller. Use Value: 1120W peak pulse power rating and ±30kV ESD withstand ensure survivability during repeated insertion cycles and rack-level surge coupling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDS2211P | Identical electrical specs, same DFN-6 package, identical pinout and marking (T22 code), manufactured by Semtech as direct predecessor. | No functional difference; TDS2211P is legacy part number superseded by UCLAMP4061P.TNT per Semtech documentation. | Select UCLAMP4061P.TNT for new designs - same footprint, improved traceability and lifecycle support. |
| SMAJ22A | Standard unidirectional TVS diode; 22V VRWM, 35.5V VC @ 12.9A; higher clamping, no flat VC vs. IPP behavior, 10× higher dynamic resistance (~200mΩ). | Limited to lower-energy surges; clamping rises to >40V at 40A and increases with temperature - unsuitable for tight-margin 22V systems. | Only acceptable where clamping margin >18V exists and thermal derating is managed; not recommended for USB PD or load switch inputs. |
Compared with TDS2211P, UCLAMP4061P.TNT offers identical performance with updated packaging and traceability; compared with SMAJ22A, it delivers 12.5V lower clamping at full 40A, stable across temperature, and enables smaller system-level margins without sacrificing surge robustness.
Availability
UCLAMP4061P.TNT is available at Aetrix Electronics and suitable for USB Type-C PD interfaces, industrial load switch inputs, and 22V IoT power rail protection requiring stable component supply, long-term lifecycle assurance, and compliance with IEC 61000-4-2/4-4/4-5 standards.
Supply support for UCLAMP4061P.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 analog and mixed-signal ICs for precision sensing, protection, and signal integrity applications.
UCLAMP4061P.TNT belongs to Semtech's Transient Diverting Suppressor (TDS) family, engineered to replace conventional TVS diodes in high-reliability 22V power and interface protection where flat clamping and temperature stability are critical.
FAQ
What is the maximum continuous operating voltage for UCLAMP4061P.TNT?
The UCLAMP4061P.TNT has a reverse stand-off voltage (VRWM) of 22V, meaning it is rated for continuous DC operation up to 22V on the protected line. Exceeding this voltage risks increased leakage current and potential device degradation. The UCLAMP4061P.TNT is specifically designed for 22V bus protection in applications such as USB PD and industrial load switches.
How does UCLAMP4061P.TNT differ from standard TVS diodes in clamping behavior?
Unlike standard TVS diodes whose clamping voltage rises linearly with peak pulse current (VC = VBR + IPP × RDYN), the UCLAMP4061P.TNT uses a triggered FET architecture that maintains a nearly constant clamping voltage of 27.5–28V from 24A to 40A. This behavior is confirmed in the UCLAMP4061P.TNT datasheet and enables tighter system-level voltage margins.
Is UCLAMP4061P.TNT pin-compatible with TDS2211P?
Yes - UCLAMP4061P.TNT is a direct replacement for TDS2211P, sharing identical DFN-6 package dimensions (1.6mm × 1.6mm), pin configuration (Pins 1–3 = GND, Pins 4–6 = IN), electrical specifications, and thermal characteristics. No PCB changes are required when migrating from TDS2211P to UCLAMP4061P.TNT.
What is the junction capacitance of UCLAMP4061P.TNT, and how does it affect circuit design?
The UCLAMP4061P.TNT exhibits 175pF junction capacitance at 22V and 1MHz, measured across IN-to-GND. This value is appropriate for 22V power lines and moderate-speed control signals but is too high for USB SuperSpeed, PCIe, or HDMI data lanes. Designers should place the UCLAMP4061P.TNT only on VBUS, CC, SBU, or load switch inputs - never on high-speed differential pairs.
Does UCLAMP4061P.TNT require a thermal pad or heatsink for 40A surge handling?
No - the UCLAMP4061P.TNT dissipates surge energy within its silicon die and does not rely on external thermal conduction. Its DFN-6 package has no exposed thermal pad, and the datasheet explicitly states "no thermal pad is needed." Layout emphasis should instead be placed on low-inductance grounding via multiple vias from Pins 1–3 to the inner ground plane.
UCLAMP4061P.TNT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0603 (1608 Metric)
- Series:
- µClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 40V
- Voltage - Breakdown (Min):
- 45V
- Voltage - Clamping (Max) @ Ipp:
- 80V
- Current - Peak Pulse (10/1000µs):
- 12A (8/20µs)
- Power - Peak Pulse:
- 1600W (1.6kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 125pF @ 1MHz (Max)
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1608P2
UCLAMP4061P.TNT FAQ
1.How can I place an order for UCLAMP4061P.TNT through Aetrix?
Please submit a Request for Quotation (RFQ) for UCLAMP4061P.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 UCLAMP4061P.TNT reliable?
The price and inventory of UCLAMP4061P.TNT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCLAMP4061P.TNT is usually 5 days.
3.What payment methods are accepted for UCLAMP4061P.TNT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCLAMP4061P.TNT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCLAMP4061P.TNT?
UCLAMP4061P.TNT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCLAMP4061P.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 UCLAMP4061P.TNT?
For technical support, including UCLAMP4061P.TNT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCLAMP4061P.TNT requirements.
6.How does Aetrix verify that UCLAMP4061P.TNT is sourced from the original manufacturer or authorized distributors?
All UCLAMP4061P.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 UCLAMP4061P.TNT meets industry standards.
7.What is the process for return or replacement of UCLAMP4061P.TNT?
All UCLAMP4061P.TNT units undergo pre-shipment inspection (PSI). If there is an issue with UCLAMP4061P.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 UCLAMP4061P.TNT part is unused and in its original packaging.
Return procedure for UCLAMP4061P.TNT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UCLAMP4061P.TNT Tags
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