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Semtech Corporation UCLAMP0541Z.TFT
- Part No.:
- UCLAMP0541Z.TFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
UCLAMP0541Z.TFT.pdf
- Description:
- TVS DIODE 5VWM 15VC SLP0603P2X3
- Quantity:
- Payment:
- Shipping:
Inventory:28,199
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Product details
Overview
UCLAMP0541Z.TFT from Semtech is a unidirectional silicon-avalanche TVS diode in a 2-pin SLP0603P2X3 (0201) package, designed for single-line ESD protection at ±5 V working voltage. It delivers 17 kV IEC 61000-4-2 contact/air ESD immunity, 6.5 pF junction capacitance, and clamps to 12 V at 1 A (8/20 µs), making it suitable for high-speed digital lines in portable consumer electronics.
For engineers reviewing the UCLAMP0541Z.TFT datasheet, pinout, applications, or equivalent options, key selection criteria include low clamping voltage under transient stress, sub-0.25 mm height for ultra-thin PCBs, symmetrical bidirectional conduction behavior despite unidirectional marking, and compatibility with 0201 reflow assembly processes per JEDEC J-STD-020.
Technical Context
The UCLAMP0541Z.TFT implements solid-state silicon-avalanche technology to achieve fast response time (<1 ns), low dynamic resistance (0.78 Ω), and no device degradation after >1000 ESD strikes. Its electrically symmetrical structure enables bidirectional protection without polarity sensitivity, while the 0.6 × 0.3 × 0.25 mm footprint supports dense routing in space-constrained interfaces like audio ports and side keys.
It operates across –55 °C to +125 °C, with reverse leakage <50 nA at 5 V, breakdown voltage 6–9.5 V (1 mA), and clamping voltage of 15 V at 2 A peak pulse current. The device replaces multilayer varistors (MLVs) in portable applications where low capacitance and precise voltage clamping are critical for signal integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating | ±17 kV per IEC 61000-4-2 (contact/air) - ensures robust board-level ESD immunity in handheld devices |
| Working Voltage | ±5 V - matches standard USB, audio, and keypad interface voltage rails |
| Junction Capacitance | 6.5 pF typical at 0 V - preserves signal integrity on high-speed digital lines (e.g., I²C, UART) |
| Clamping Voltage | 12 V at 1 A (8/20 µs) - limits transient overvoltage to safe levels for downstream ICs |
| Package | SLP0603P2X3 (0201) - 0.6 × 0.3 × 0.25 mm footprint enables placement on fine-pitch PCB traces |
| Peak Pulse Power | 25 W (8/20 µs) - sustains short-duration surge energy without failure |
| Reverse Leakage | <50 nA at 5 V - avoids DC loading on sensitive analog or low-power digital inputs |
Pinout & Package
UCLAMP0541Z.TFT uses a 2-pin SLP0603P2X3 surface-mount package with symmetrical construction and no polarity marking. The device is electrically bidirectional despite unidirectional labeling; both terminals serve identical roles in ESD clamping paths.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (symmetrical) | Either terminal connects to protected line; no polarity dependency due to internal symmetrical avalanche junction |
| Pin 2 | Anode/Cathode (symmetrical) | Other terminal connects to system ground or reference plane; bidirectional clamping occurs regardless of orientation |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small footprint | 0.6 × 0.3 mm area with 0.25 mm height - fits within tight spacing around connectors and buttons |
| High ESD endurance | Withstands ≥1000 IEC 61000-4-2 Level 4 strikes - maintains protection performance over product lifetime |
| Low clamping voltage | 12 V at 1 A - reduces stress on downstream transceivers and level shifters |
| Symmetrical conduction | No polarity sensitivity - eliminates orientation errors during automated placement |
| Pb-free & RoHS compliant | NiAu lead finish - meets environmental compliance requirements for global consumer shipments |
Applications
| Smartphone Side Keys | USB Audio Port Protection |
|---|---|
Use Scenario: Mechanical side keys exposed to repeated finger contact and pocket discharge events. IC Role / Device Role / Timing Role: ESD transient suppressor placed directly at key switch node before MCU GPIO input. Use Value: Prevents latch-up or permanent damage to microcontroller input buffers during ±17 kV contact ESD events. | Use Scenario: 3.5 mm TRRS audio jack with shared ground and mic/speaker lines susceptible to user-hand ESD. IC Role / Device Role / Timing Role: Line-level TVS clamp on each audio path (left/right/mic/ground) to limit voltage excursion. Use Value: Maintains 6.5 pF capacitance to avoid high-frequency attenuation while clamping transients below 15 V. |
| Tablet PC Touch Panel Interface | Digital Keypad in Portable Instrumentation |
Use Scenario: I²C or SPI bus lines connecting capacitive touch controller to host processor in thin-profile tablets. IC Role / Device Role / Timing Role: Point-of-entry ESD protection on SDA/SCL lines adjacent to flex connector. Use Value: Enables reliable operation at 400 kHz I²C speeds by limiting added capacitance to ≤9 pF max and clamping to 12 V. | Use Scenario: Membrane keypad matrix rows/columns routed across long PCB traces in handheld test equipment. IC Role / Device Role / Timing Role: Per-line transient suppressor mounted at PCB edge near connector entry point. Use Value: Provides discrete line protection without requiring multi-channel arrays, reducing BOM count and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD1E05U06DPYR | 6.5 pF typical, ±12 kV IEC 61000-4-2, 0201 package, but lower 12 V clamping at 1 A | Optimized for USB 2.0 data lines; slightly lower ESD rating than UCLAMP0541Z.TFT | Select when lower clamping voltage is prioritized over maximum ESD withstand level |
| SMAJ5.0A | DO-214AC package, 500 W peak power, 600 W peak pulse, 100 pF capacitance - significantly larger and higher capacitance | Targeted at industrial power-line or AC-input protection, not high-speed digital interfaces | Choose only for non-high-speed, high-energy surge environments where size and capacitance are secondary |
Compared with TPD1E05U06DPYR and SMAJ5.0A, the UCLAMP0541Z.TFT uniquely balances ultra-low profile (0.25 mm height), 17 kV ESD rating, and 6.5 pF capacitance-making it optimal for portable digital interfaces where board thickness and signal fidelity are constrained.
Availability
UCLAMP0541Z.TFT is available at Aetrix Electronics and suitable for smartphone side keys, tablet audio ports, and portable instrumentation keypad interfaces requiring stable component supply and consistent tape-and-reel delivery.
Supply support for UCLAMP0541Z.TFT 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 connectivity.
The µClamp® product line was developed specifically for board-level ESD protection in space-constrained portable electronics, emphasizing low capacitance, high surge tolerance, and 0201 manufacturability.
FAQ
What is the maximum operating temperature range for UCLAMP0541Z.TFT?
The UCLAMP0541Z.TFT operates reliably from –55 °C to +125 °C, supporting deployment in automotive-adjacent portable devices and industrial handheld instruments where ambient temperatures fluctuate widely. This full industrial temperature range is validated per the absolute maximum ratings table in the official Semtech datasheet Rev 11.1.
Does UCLAMP0541Z.TFT require orientation during PCB placement?
No - the UCLAMP0541Z.TFT is electrically symmetrical, meaning either pin can connect to the protected line or ground without affecting ESD performance. The device's bidirectional clamping behavior eliminates orientation sensitivity, reducing placement errors in high-speed automated assembly. This symmetry is explicitly confirmed in the "Marking Code" section of the datasheet.
What is the clamping voltage of UCLAMP0541Z.TFT at 2 A peak pulse current?
The UCLAMP0541Z.TFT clamps to 15 V at 2 A peak pulse current (8/20 µs waveform), as specified in the Electrical Characteristics table. This value ensures downstream components such as microcontroller I/O pins or audio codec inputs remain within safe voltage limits during high-energy ESD transients.
Is UCLAMP0541Z.TFT compatible with standard 0201 reflow profiles?
Yes - UCLAMP0541Z.TFT is qualified for reflow per JEDEC J-STD-020, and Semtech provides detailed assembly guidelines including recommended stencil thickness (0.075 mm), solder paste type (Type 4 or finer), and land pattern dimensions. These parameters ensure reliable solder joint formation without tombstoning or insufficient wetting.
How many ESD strikes can UCLAMP0541Z.TFT withstand before performance degradation?
The UCLAMP0541Z.TFT is rated to withstand over 1000 ESD strikes at IEC 61000-4-2 Level 4 (±8 kV contact), with no measurable degradation in clamping voltage or leakage current. This endurance is verified through accelerated life testing and documented in the Features section of the Semtech datasheet.
UCLAMP0541Z.TFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0201 (0603 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:
- 15V
- Current - Peak Pulse (10/1000µs):
- 2A (8/20µs)
- Power - Peak Pulse:
- 25W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 6.5pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP0603P2X3
UCLAMP0541Z.TFT FAQ
1.How can I place an order for UCLAMP0541Z.TFT through Aetrix?
Please submit a Request for Quotation (RFQ) for UCLAMP0541Z.TFT 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 UCLAMP0541Z.TFT reliable?
The price and inventory of UCLAMP0541Z.TFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCLAMP0541Z.TFT is usually 5 days.
3.What payment methods are accepted for UCLAMP0541Z.TFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCLAMP0541Z.TFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCLAMP0541Z.TFT?
UCLAMP0541Z.TFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCLAMP0541Z.TFT 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 UCLAMP0541Z.TFT?
For technical support, including UCLAMP0541Z.TFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCLAMP0541Z.TFT requirements.
6.How does Aetrix verify that UCLAMP0541Z.TFT is sourced from the original manufacturer or authorized distributors?
All UCLAMP0541Z.TFT 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 UCLAMP0541Z.TFT meets industry standards.
7.What is the process for return or replacement of UCLAMP0541Z.TFT?
All UCLAMP0541Z.TFT units undergo pre-shipment inspection (PSI). If there is an issue with UCLAMP0541Z.TFT, 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 UCLAMP0541Z.TFT part is unused and in its original packaging.
Return procedure for UCLAMP0541Z.TFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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