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Semtech Corporation UCLAMP0512Z.TFT
- Part No.:
- UCLAMP0512Z.TFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
UCLAMP0512Z.TFT.pdf
- Description:
- TVS DIODE 5VWM 15VC SLP0603P3X3A
- Quantity:
- Payment:
- Shipping:
Inventory:7,465
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Product details
Overview
UCLAMP0512Z.TFT from Semtech is a 2-line ESD protection TVS diode in SLP0603P3X3A package, rated for ±5V working voltage, 5pF typical junction capacitance, 0.63Ω typical dynamic resistance, and ±15kV IEC 61000-4-2 contact ESD withstand. It protects high-speed digital lines in portable electronics such as tablet PC audio ports and side keys.
For engineers reviewing the UCLAMP0512Z.TFT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage at 2A (12.5V), reverse leakage <3nA at 5V, ultra-low profile (0.25mm height), and compatibility with 0201-class board space constraints in mobile interface protection.
Technical Context
The UCLAMP0512Z.TFT integrates two bidirectional TVS diodes in a single 3-pin monolithic silicon-avalanche structure, with Pins 1 and 3 serving as line terminals and Pin 2 as common cathode. Its solid-state design enables sub-nanosecond response and no wear-out under repeated ESD stress.
It operates within –40°C to +125°C junction temperature range, supports tape-and-reel automated assembly, and features NiAu lead finish with UL 94V-0 molding compound - optimized for high-volume portable device manufacturing where board area, solderability, and ESD reliability are co-constrained.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | ±5V - matches standard USB, I²C, and audio interface signal swing without leakage or conduction. |
| ESD Withstand | ±15kV contact / ±17kV air per IEC 61000-4-2 - exceeds Level 4 immunity requirements for handheld consumer devices. |
| Junction Capacitance | 5pF at VR = 0V - minimizes signal distortion on 10–100MHz digital lines like headset detection or touch controller I/O. |
| Clamping Voltage | 12.5V at IPP = 2A (tp = 8/20μs) - limits transient overvoltage to safe levels for 5V-tolerant GPIOs and codec inputs. |
| Dynamic Resistance | 0.63Ω typical - ensures low-voltage overshoot during fast ESD events by reducing IR drop across the protection path. |
| Leakage Current | <3nA at VR = 5V - avoids DC loading on battery-sensitive analog sensor or audio bias networks. |
Pinout & Package
UCLAMP0512Z.TFT uses the SLP0603P3X3A package: 0.6 × 0.3 × 0.25 mm, 3-terminal surface-mount, lead-free NiAu finish, UL 94V-0 compliant molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Line 1 Anode/Cathode | Bidirectional ESD path for first protected data line (e.g., MIC_L); electrically symmetrical with Pin 3. |
| Pin 2 | Common Cathode | Shared low-impedance return node tied to system ground; defines clamping reference for both lines. |
| Pin 3 | Line 2 Anode/Cathode | Bidirectional ESD path for second protected data line (e.g., MIC_R); identical electrical behavior to Pin 1. |
Key Features
| Feature | Design Value |
|---|---|
| Two-line integrated protection | Single-device solution for stereo audio, dual I²C, or keypad scan pair - eliminates discrete dual-diode layout complexity. |
| Ultra-low capacitance | 5pF typical enables use on >10MHz signal paths (e.g., headset detect, USB D+/D−) without measurable rise-time degradation. |
| High ESD strike endurance | Withstands ≥1000 IEC 61000-4-2 Level 4 strikes - ensures long-term reliability in production test and field-use environments. |
| 0.25mm profile | Enables placement beneath mechanical shields or in tight bezel regions of smartphones and tablets where Z-height is constrained. |
Applications
| Smartphone Audio Ports | Tablet Keypad Interfaces |
|---|---|
Use Scenario: Protecting 3.5mm TRRS jack contacts (MIC, GND, L/R) from user-hand ESD during plug insertion/removal. IC Role / Device Role / Timing Role: Bidirectional TVS clamp limiting transient voltage to ≤12.5V during ±15kV contact discharge. Use Value: Prevents latch-up or permanent damage to audio codec input stages while maintaining <5pF loading on sensitive analog mic bias paths. | Use Scenario: Shielding mechanical side-key or volume button traces routed along thin bezel edges in tablet PCBs. IC Role / Device Role / Timing Role: Low-capacitance ESD shunt placed at key trace entry point to ground plane, clamping transients before reaching MCU GPIO. Use Value: Eliminates need for separate protection per key, reduces BOM count, and preserves signal integrity on short, high-impedance switch sense lines. |
| Digital Camera Interface Lines | Portable Medical Sensor I/O |
Use Scenario: Guarding MIPI CSI-2 clock/data pairs against ESD during handling of detachable camera modules. IC Role / Device Role / Timing Role: Two-channel ESD suppressor placed adjacent to connector, with matched trace lengths to minimize skew. Use Value: Maintains 5pF capacitance balance across differential pair to avoid jitter increase while delivering ±15kV system-level immunity. | Use Scenario: Safeguarding analog front-end inputs (e.g., ECG electrode leads) connected to low-noise instrumentation amplifiers. IC Role / Device Role / Timing Role: High-impedance, low-leakage (≤3nA) ESD clamp isolating patient-connected nodes from system ground during electrostatic discharge events. Use Value: Ensures signal fidelity and patient safety compliance by preventing transient-induced amplifier saturation or DC offset shift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | 2-channel, 5.5V working voltage, 3.5pF capacitance, ±8kV IEC 61000-4-2 contact rating | Lower ESD rating; suited for cost-sensitive mid-tier devices with less stringent immunity requirements | Select when lower clamping voltage (9.5V @ 1A) and tighter capacitance tolerance are prioritized over peak ESD robustness |
| SMLJ5.0AHE3/5B | Single-line, 5.0V VWM, DO-214AC package (3.5 × 1.6 mm), 100pF capacitance, ±30kV contact rating | Discrete single-line solution with much larger footprint and higher capacitance - unsuitable for high-speed or space-constrained interfaces | Choose only for legacy board redesigns where SLP0603P3X3A placement is not feasible and bandwidth is non-critical |
Compared with TPD2E001DRYR and SMLJ5.0AHE3/5B, UCLAMP0512Z.TFT delivers optimal balance of ultra-small size, 5pF signal loading, and ±15kV system-level ESD immunity - making it the preferred choice for new designs targeting premium portable electronics with strict RF and layout constraints.
Availability
UCLAMP0512Z.TFT is available at Aetrix Electronics and suitable for smartphone audio ports, tablet keypad interfaces, and portable medical sensor I/O requiring stable component supply, full RoHS/WEEE compliance, and consistent tape-and-reel delivery for SMT production.
Supply support for UCLAMP0512Z.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 semiconductor company specializing in high-performance analog and mixed-signal semiconductors for power management, protection, and signal integrity.
The uClamp® product line targets board-level ESD protection in space-constrained portable electronics, emphasizing low capacitance, high surge robustness, and manufacturability in fine-pitch SMT processes.
FAQ
What is the maximum operating temperature for UCLAMP0512Z.TFT?
The UCLAMP0512Z.TFT has a specified operating junction temperature range of –40°C to +125°C. This allows reliable deployment in consumer handheld devices exposed to ambient temperatures up to 85°C, with sufficient thermal margin for internal power dissipation during ESD events. The SLP0603P3X3A package's low thermal mass supports rapid heat dissipation into the PCB copper.
Does UCLAMP0512Z.TFT support bidirectional signal lines?
Yes, UCLAMP0512Z.TFT provides bidirectional ESD protection on both Line 1 (Pin 1–Pin 2) and Line 2 (Pin 3–Pin 2). Each channel uses symmetrical avalanche diode structures, enabling protection of AC-coupled or true bidirectional interfaces such as I²C, USB OTG ID pins, or stereo microphone inputs without polarity concerns.
What is the clamping voltage of UCLAMP0512Z.TFT at 4A peak pulse current?
Per the datasheet's TLP characterization, the UCLAMP0512Z.TFT exhibits a typical clamping voltage of 20V at 16A (TLP), and linear interpolation from published curves shows ~15.2V at 4A (tp = 8/20μs). This value ensures safe voltage limiting for 5V-tolerant receivers during moderate-energy ESD transients encountered in handheld device usage.
Is UCLAMP0512Z.TFT compatible with lead-free reflow profiles?
Yes, UCLAMP0512Z.TFT is qualified for standard lead-free reflow soldering with peak temperatures up to 260°C. Its NiAu lead finish and UL 94V-0 molding compound ensure robust performance through JEDEC J-STD-020-compliant thermal cycling, supporting high-yield assembly in modern SMT lines without delamination or solder wetting issues.
How many ESD strikes can UCLAMP0512Z.TFT withstand before degradation?
The UCLAMP0512Z.TFT is rated to withstand over 1000 ESD strikes at IEC 61000-4-2 Level 4 (±8kV contact) without parameter shift beyond specification limits. This endurance is verified via accelerated life testing and reflects its silicon-avalanche construction - critical for devices undergoing repeated factory handling, bench testing, and end-user interaction.
UCLAMP0512Z.TFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0201 (0603 Metric)
- Series:
- uClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 2
- 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:
- 30W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 5pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP0603P3X3A
UCLAMP0512Z.TFT FAQ
1.How can I place an order for UCLAMP0512Z.TFT through Aetrix?
Please submit a Request for Quotation (RFQ) for UCLAMP0512Z.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 UCLAMP0512Z.TFT reliable?
The price and inventory of UCLAMP0512Z.TFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCLAMP0512Z.TFT is usually 5 days.
3.What payment methods are accepted for UCLAMP0512Z.TFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCLAMP0512Z.TFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCLAMP0512Z.TFT?
UCLAMP0512Z.TFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCLAMP0512Z.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 UCLAMP0512Z.TFT?
For technical support, including UCLAMP0512Z.TFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCLAMP0512Z.TFT requirements.
6.How does Aetrix verify that UCLAMP0512Z.TFT is sourced from the original manufacturer or authorized distributors?
All UCLAMP0512Z.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 UCLAMP0512Z.TFT meets industry standards.
7.What is the process for return or replacement of UCLAMP0512Z.TFT?
All UCLAMP0512Z.TFT units undergo pre-shipment inspection (PSI). If there is an issue with UCLAMP0512Z.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 UCLAMP0512Z.TFT part is unused and in its original packaging.
Return procedure for UCLAMP0512Z.TFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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