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Semtech Corporation UCLAMP5011ZATFT
- Part No.:
- UCLAMP5011ZATFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
UCLAMP5011ZATFT.pdf
- Description:
- TVS DIODE 5VWM 12VC SLP0603P2X3F
- Quantity:
- Payment:
- Shipping:
Inventory:74,365
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Product details
Overview
UCLAMP5011ZATFT from Semtech is a unidirectional TVS diode designed for board-level ESD protection of single 5V data lines. It delivers ±15kV contact / ±18kV air IEC 61000-4-2 ESD immunity, 12V clamping at 2.5A (8/20µs), 5pF max junction capacitance, and 0.15Ω typical dynamic resistance in an ultra-small SLP0603P2X3F (0201) package.
For engineers reviewing the UCLAMP5011ZATFT datasheet, pinout, applications, or equivalent options, key selection criteria include low-capacitance signal-line protection, sub-1mm footprint constraints, high-transient-current handling (2.5A peak), and compatibility with high-speed interfaces such as USB 2.0, HDMI DDC, or I²C in portable electronics.
Technical Context
The UCLAMP5011ZATFT employs silicon-avalanche TVS technology optimized for fast response (<1ns) and minimal voltage overshoot during ESD events. Its symmetrical bidirectional conduction path (Pin 1 ↔ Pin 2) enables line-to-ground protection without polarity sensitivity, while the low 0.15Ω dynamic resistance ensures stable clamping under high di/dt transients.
Designed specifically for 5V systems, it operates with 5V reverse stand-off voltage (VRWM), 6.5–10.5V breakdown range (VBR), and maintains leakage below 20nA at VRWM - enabling integration into battery-powered, low-power sensor and interface circuits without compromising standby current budgets.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±15kV contact / ±18kV air - meets industrial and consumer ESD immunity requirements without external shielding |
| Clamping Voltage (8/20µs) | 12V at 2.5A - limits transient overvoltage to safe levels for 5V logic and PHY interfaces |
| Junction Capacitance | 5pF max at 0V - preserves signal integrity on high-speed lines (e.g., USB 2.0, I²C, SPI) |
| Dynamic Resistance | 0.15Ω typical - minimizes voltage rise during fast ESD pulses (TLP 4–16A) |
| Reverse Stand-Off Voltage | 5V - matches standard 5V I/O rails and prevents false triggering during normal operation |
| Package Dimensions | 0.6 × 0.3 × 0.25 mm - fits dense PCB layouts where space is constrained (e.g., smartphone camera modules) |
Pinout & Package
UCLAMP5011ZATFT is housed in a 2-pin SLP0603P2X3F (0201) surface-mount package with NiAu lead finish and tape-and-reel packaging (15,000 pcs/reel). The device is electrically symmetrical - either pin may serve as anode or cathode depending on circuit configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode or Cathode (symmetrical) | Interchangeable terminal for line-to-ground ESD shunting; no polarity marking required |
| Pin 2 | Anode or Cathode (symmetrical) | Paired terminal completing bidirectional TVS path; supports layout flexibility in tight routing |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 5pF max ensures minimal loading on high-speed data lines without degrading edge rate or eye diagram |
| High ESD withstand | ±15kV contact rating exceeds IEC 61000-4-2 Level 4, eliminating need for secondary protection layers |
| Sub-millimeter footprint | 0.6 × 0.3 mm size enables placement directly at connector or IC pin, minimizing trace inductance |
| Low dynamic resistance | 0.15Ω typical reduces clamping voltage overshoot during nanosecond-scale ESD transients |
Applications
| USB 2.0 Data Lines | I²C Bus Protection |
|---|---|
Use Scenario: Protecting D+ and D− lines in smartphone OTG adapters and portable peripherals against user-handling ESD. IC Role / Device Role / Timing Role: Line-to-ground TVS clamp placed within 2 mm of USB connector to suppress 8/20µs surges before reaching PHY. Use Value: 5pF capacitance avoids signal integrity loss at 480 Mbps; 12V clamping prevents PHY latch-up or damage. | Use Scenario: Safeguarding SDA/SCL lines in wearables and IoT sensor nodes exposed to frequent human touch. IC Role / Device Role / Timing Role: Bidirectional ESD suppressor mounted at MCU I²C pins to absorb ±8kV contact discharges per IEC 61000-4-2. Use Value: 20nA max leakage preserves battery life; symmetrical pinout simplifies layout in space-constrained PCBs. |
| HDMI DDC Channel | Camera Interface (MIPI D-PHY) |
Use Scenario: Securing Display Data Channel (DDC) lines in tablet PC docking stations subject to repeated plug/unplug cycles. IC Role / Device Role / Timing Role: Low-capacitance TVS on 5V DDC lines (SCL/SDA) to prevent ESD-induced EDID corruption or hot-plug failure. Use Value: 5V VRWM aligns with DDC supply; 5pF capacitance avoids timing skew in 100 kHz clock/data signals. | Use Scenario: Protecting MIPI D-PHY data lanes in smartphone front/rear camera modules during assembly and field use. IC Role / Device Role / Timing Role: Single-line ESD clamp placed adjacent to image sensor or baseband IC to suppress fast-rising transients from flex cable handling. Use Value: 0.15Ω RDYN ensures <100ps response, limiting voltage overshoot below 1.2× VDDIO (1.2V/1.8V) thresholds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD1E05U06DPYR | 0.5pF lower capacitance (4.5pF max), same 5V VRWM and ±15kV ESD rating; slightly higher clamping (13V @ 2.5A) | Better suited for >480 Mbps USB 2.0 or 100 MHz I²C; less margin for 12V-tolerant receivers | Select when ultra-low capacitance is prioritized over clamping voltage headroom |
| SMAJ5.0A | DO-214AC package (4.5 × 3.2 mm), 600W peak power, 14.4V clamping @ 22.5A - larger, higher-power, higher-capacitance (150pF) | Targeted at board-edge or power-rail protection, not high-speed signal lines | Choose only for non-high-speed, high-energy surge environments where size is not constrained |
Compared with TPD1E05U06DPYR and SMAJ5.0A, the UCLAMP5011ZATFT uniquely balances ultra-miniaturization (0.6 × 0.3 mm), 5pF capacitance, and 12V clamping - making it optimal for space-limited, high-speed 5V interfaces where both signal fidelity and robust ESD survival are required.
Availability
UCLAMP5011ZATFT is available at Aetrix Electronics and suitable for cellular handsets, portable instrumentation, and notebook computers requiring stable component supply and RoHS-compliant ESD protection.
Supply support for UCLAMP5011ZATFT 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 semiconductor company specializing in analog and mixed-signal ICs for precision sensing, protection, and connectivity.
The µClamp® product line was developed to deliver ultra-small, high-performance TVS diodes for ESD protection in portable electronics - targeting applications where board space, signal integrity, and reliability under real-world handling stress are critical.
FAQ
What is the maximum operating temperature range for UCLAMP5011ZATFT?
The UCLAMP5011ZATFT is rated for junction temperatures from –40°C to +125°C and storage temperatures from –55°C to +150°C. This wide thermal range allows reliable deployment in mobile devices exposed to ambient extremes, including automotive infotainment displays and outdoor portable instrumentation where internal PCB temperatures may exceed 100°C during operation.
Does UCLAMP5011ZATFT require polarity-aware placement on the PCB?
No - the UCLAMP5011ZATFT is electrically symmetrical, meaning Pin 1 and Pin 2 are interchangeable. This eliminates orientation constraints during automated placement and simplifies layout for differential or bidirectional signal lines like I²C or USB D+/D−, reducing assembly errors and design iteration time.
How does the 0.15Ω dynamic resistance of UCLAMP5011ZATFT impact ESD protection performance?
The 0.15Ω typical dynamic resistance of UCLAMP5011ZATFT directly lowers voltage overshoot during fast ESD transients (e.g., TLP pulses), resulting in tighter clamping - especially critical for protecting 5V-tolerant interfaces with narrow voltage margins. This value is measured between 4A and 16A TLP current steps and confirms stable conduction behavior across realistic ESD energy profiles.
Can UCLAMP5011ZATFT be used to protect a 3.3V interface?
UCLAMP5011ZATFT has a 5V reverse stand-off voltage (VRWM) and 6.5–10.5V breakdown range, making it unsuitable for direct use on 3.3V lines - it may leak excessively or fail to clamp before downstream IC damage occurs. For 3.3V applications, Semtech's UCLAMP3301ZATFT (3.3V VRWM) is the functionally matched variant and should be selected instead.
What is the recommended PCB pad design for UCLAMP5011ZATFT?
Semtech recommends a solder-mask-defined land pattern with dimensions 0.675 × 0.250 mm (L × W), using OSP or NiAu PCB finish. Stencil aperture should be rectangular with rounded corners, 0.075 mm thick, and sized to achieve ≥0.66 area ratio - ensuring consistent paste release and reliable solder joints for the 0.6 × 0.3 mm SLP0603P2X3F package of the UCLAMP5011ZATFT.
UCLAMP5011ZATFT 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):
- 6.5V
- Voltage - Clamping (Max) @ Ipp:
- 12V
- Current - Peak Pulse (10/1000µs):
- 2A (8/20µs)
- Power - Peak Pulse:
- 30W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 4.2pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP0603P2X3F
UCLAMP5011ZATFT FAQ
1.How can I place an order for UCLAMP5011ZATFT through Aetrix?
Please submit a Request for Quotation (RFQ) for UCLAMP5011ZATFT 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 UCLAMP5011ZATFT reliable?
The price and inventory of UCLAMP5011ZATFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCLAMP5011ZATFT is usually 5 days.
3.What payment methods are accepted for UCLAMP5011ZATFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCLAMP5011ZATFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCLAMP5011ZATFT?
UCLAMP5011ZATFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCLAMP5011ZATFT 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 UCLAMP5011ZATFT?
For technical support, including UCLAMP5011ZATFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCLAMP5011ZATFT requirements.
6.How does Aetrix verify that UCLAMP5011ZATFT is sourced from the original manufacturer or authorized distributors?
All UCLAMP5011ZATFT 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 UCLAMP5011ZATFT meets industry standards.
7.What is the process for return or replacement of UCLAMP5011ZATFT?
All UCLAMP5011ZATFT units undergo pre-shipment inspection (PSI). If there is an issue with UCLAMP5011ZATFT, 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 UCLAMP5011ZATFT part is unused and in its original packaging.
Return procedure for UCLAMP5011ZATFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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