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Semtech Corporation UCLAMP0511Z.TNT
- Part No.:
- UCLAMP0511Z.TNT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
UCLAMP0511Z.TNT.pdf
- Description:
- TVS DIODE 5VWM 15VC SLP0603P2X3
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
UCLAMP0511Z.TNT from Semtech is a single-line transient voltage suppression (TVS) diode designed for board-level ESD protection of 5V signal or power lines. It delivers ±15kV air-gap and ±8kV contact ESD immunity per IEC 61000-4-2, features 0.64Ω dynamic resistance, 4–7pF junction capacitance, and operates in an ultra-small SLP0603P2X3 (0201) package-ideal for space-constrained portable electronics such as smartphone side keys and audio ports.
For engineers reviewing the UCLAMP0511Z.TNT datasheet, pinout, applications, or equivalent options, key selection considerations include clamping voltage at 1A (15V), ESD strike endurance (>1000 cycles), reverse stand-off voltage (5V), low leakage (<10nA @ 5V), and compatibility with high-speed digital interfaces requiring minimal capacitive loading.
Technical Context
The UCLAMP0511Z.TNT employs silicon-avalanche TVS technology optimized for fast response to sub-nanosecond ESD transients. Its bidirectional structure protects both polarities of a single line without polarity constraints, with clamping voltage specified at 11.2V (4A TLP) and 19.4V (16A TLP), enabling robust surge handling while maintaining low-voltage system integrity.
Designed for integration into compact PCB layouts, it uses a 2-pin SLP0603P2X3 package with NiAu lead finish and non-solder-mask-defined pads. The device exhibits stable junction capacitance (4–7pF at 0V) and low dynamic resistance (0.64Ω typ), supporting signal integrity in USB 2.0, audio jack, and keypad trace protection applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±15kV air, ±8kV contact - meets Level 4 immunity for handheld consumer electronics |
| Working Voltage (VRWM) | 5V - matches standard I/O rail voltage, prevents false triggering during normal operation |
| Clamping Voltage (VC) | 15V @ 1A (8/20μs) - limits transient overvoltage to safe levels for 5V logic interfaces |
| Junction Capacitance (CJ) | 4–7pF @ 0V, 1MHz - enables use on high-speed lines like USB D+/D− without signal degradation |
| Dynamic Resistance (RDYN) | 0.64Ω typ - ensures low voltage overshoot during fast ESD events |
| Leakage Current (IR) | <10nA @ VR=5V - avoids DC loading on sensitive analog or battery-powered circuits |
| Package | SLP0603P2X3 (0201 metric) - 0.6 × 0.3 × 0.25 mm footprint for ultra-dense portable PCBs |
Pinout & Package
UCLAMP0511Z.TNT is housed in a 2-pin SLP0603P2X3 surface-mount package with bottom-view symmetry and NiAu lead finish. Dimensions: 0.62 mm × 0.32 mm × 0.25 mm nominal. Marking includes dot-matrix date code; supplied in plastic tape and reel (10,000 pcs/reel).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode / Cathode (bidirectional) | Interchangeable terminal - no polarity assignment required; connects to protected line |
| Pin 2 | Anode / Cathode (bidirectional) | Interchangeable terminal - connects to ground or return path; symmetric conduction |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small footprint | 0.6 × 0.3 mm SLP0603P2X3 package - saves PCB area in multi-button keypads and narrow bezel designs |
| High ESD endurance | Withstands >1000 IEC 61000-4-2 Level 4 strikes - ensures long-term reliability in field-deployed devices |
| Bidirectional clamping | Symmetric VBR (6–9.5V) and VC performance - protects AC-coupled or dual-polarity signal paths without external bias |
| Low capacitance + low RDYN | 4–7pF + 0.64Ω - preserves signal edge rate and minimizes jitter on 480 Mbps USB 2.0 traces |
| Pb-free & RoHS compliant | NiAu lead finish, halogen-free materials - satisfies global environmental compliance and solderability requirements |
Applications
| Smartphone Side Keys | USB 2.0 Data Lines |
|---|---|
Use Scenario: Mechanical side buttons exposed to repeated finger contact and pocket discharge events. IC Role / Device Role / Timing Role: Standalone ESD shunt placed directly across each key switch trace to ground. Use Value: Prevents latch-up or gate oxide damage in associated GPIO controllers by clamping transients to ≤15V before propagation. | Use Scenario: High-speed differential data lines in mobile phone USB OTG interfaces. IC Role / Device Role / Timing Role: Bidirectional TVS on D+ and D− lines, placed adjacent to connector to intercept ESD before IC input stage. Use Value: 4–7pF capacitance avoids signal rise-time degradation; 0.64Ω RDYN ensures fast energy diversion without reflection-induced ringing. |
| Audio Jack Contacts | Portable Instrument Keypads |
Use Scenario: 3.5mm TRRS jack insertion/removal in MP3 players and headsets. IC Role / Device Role / Timing Role: One UCLAMP0511Z.TNT per contact (Tip, Ring1, Ring2, Sleeve) referenced to chassis ground. Use Value: ±15kV air-gap rating suppresses triboelectric discharge from cable movement; low leakage avoids DC offset in analog audio paths. | Use Scenario: Membrane keypad overlays on handheld test meters and medical monitors. IC Role / Device Role / Timing Role: Discrete line protection on each row/column scan line between MCU and keypad matrix. Use Value: 0201 size allows placement within tight pitch (<0.5mm) traces; 5V VRWM aligns with 3.3V/5V microcontroller I/O tolerance. |
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 typical capacitance (3.5pF), same 5V VRWM, slightly higher clamping (16.5V @ 1A) | Better suited for >480 Mbps interfaces; less margin for 5V rail clamping headroom | Select when minimizing capacitive loading is critical and system can tolerate ~1.5V higher clamping |
| SMLJ5.0A | DO-214AC package (3.5 × 1.9 mm), 100W peak pulse power, 100x larger footprint, unidirectional | Used in industrial power rails; not suitable for high-density portable PCBs | Choose only for cost-sensitive, non-space-constrained 5V DC line protection where layout density is not limiting |
Compared with TPD1E05U06DPYR and SMLJ5.0A, the UCLAMP0511Z.TNT uniquely balances ultra-miniaturization (0.6 × 0.3 mm), bidirectional 5V protection, and sub-15V clamping-making it the preferred choice for ESD hardening of fine-pitch consumer interface traces where board area and signal fidelity are co-constrained.
Availability
UCLAMP0511Z.TNT is available at Aetrix Electronics and suitable for cellular handsets, portable instrumentation, and audio port protection requiring stable component supply and full RoHS-compliant sourcing.
Supply support for UCLAMP0511Z.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, power management, and protection solutions.
The μClamp® product line was developed specifically for board-level ESD and surge protection in space-constrained, high-reliability portable electronics-emphasizing low capacitance, fast response, and robust multi-strike endurance.
FAQ
What is the maximum clamping voltage of UCLAMP0511Z.TNT under IEC 61000-4-2 8kV contact discharge?
The UCLAMP0511Z.TNT achieves an ESD clamping voltage of 11.2V at 4A TLP (0.2/100ns), which correlates to real-world 8kV contact discharge events. This value is measured per Semtech's final datasheet Rev 5.0 and ensures protected 5V logic remains below destructive thresholds during transient events. The UCLAMP0511Z.TNT maintains this performance across its rated temperature range.
Is UCLAMP0511Z.TNT suitable for protecting USB 2.0 differential pairs?
Yes, UCLAMP0511Z.TNT is appropriate for USB 2.0 D+ and D− lines due to its 4–7pF junction capacitance and bidirectional 5V operation. Its low dynamic resistance (0.64Ω) minimizes voltage overshoot during fast transients, preserving signal integrity up to 480 Mbps. Layout best practice is to place one UCLAMP0511Z.TNT per line, close to the connector, with symmetric ground return paths.
Does UCLAMP0511Z.TNT require polarity-aware placement on the PCB?
No, UCLAMP0511Z.TNT is a bidirectional TVS diode with symmetrical pin configuration (Pin 1 and Pin 2 interchangeable). Its breakdown and clamping behavior is identical in both directions, eliminating orientation constraints during placement. This simplifies automated assembly and reduces risk of misorientation-related field failures. The UCLAMP0511Z.TNT functions identically regardless of which pin connects to the protected line or ground.
What is the recommended reflow profile for UCLAMP0511Z.TNT?
The UCLAMP0511Z.TNT follows JEDEC J-STD-020 moisture sensitivity level (MSL) 1 guidelines and is compatible with standard Pb-free reflow profiles. Peak temperature must not exceed 260°C for ≤30 seconds. Semtech specifies non-solder-mask-defined (NSMD) pads and OSP or NiAu PCB finish. The UCLAMP0511Z.TNT's NiAu lead finish ensures reliable wetting and intermetallic formation under these conditions.
How many ESD strikes can UCLAMP0511Z.TNT withstand before performance degradation?
Per Semtech's datasheet, UCLAMP0511Z.TNT is rated for over 1000 ESD strikes at IEC 61000-4-2 Level 4 (±8kV contact). This endurance is verified through accelerated life testing and reflects no measurable shift in clamping voltage, leakage current, or breakdown threshold after stress. The UCLAMP0511Z.TNT maintains specification compliance throughout its rated strike count under controlled lab conditions.
UCLAMP0511Z.TNT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0201 (0603 Metric)
- Series:
- µClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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):
- 1A
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 4pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP0603P2X3
UCLAMP0511Z.TNT FAQ
1.How can I place an order for UCLAMP0511Z.TNT through Aetrix?
Please submit a Request for Quotation (RFQ) for UCLAMP0511Z.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 UCLAMP0511Z.TNT reliable?
The price and inventory of UCLAMP0511Z.TNT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCLAMP0511Z.TNT is usually 5 days.
3.What payment methods are accepted for UCLAMP0511Z.TNT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCLAMP0511Z.TNT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCLAMP0511Z.TNT?
UCLAMP0511Z.TNT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCLAMP0511Z.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 UCLAMP0511Z.TNT?
For technical support, including UCLAMP0511Z.TNT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCLAMP0511Z.TNT requirements.
6.How does Aetrix verify that UCLAMP0511Z.TNT is sourced from the original manufacturer or authorized distributors?
All UCLAMP0511Z.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 UCLAMP0511Z.TNT meets industry standards.
7.What is the process for return or replacement of UCLAMP0511Z.TNT?
All UCLAMP0511Z.TNT units undergo pre-shipment inspection (PSI). If there is an issue with UCLAMP0511Z.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 UCLAMP0511Z.TNT part is unused and in its original packaging.
Return procedure for UCLAMP0511Z.TNT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UCLAMP0511Z.TNT Tags
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