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Semtech Corporation UCLAMP0501P.TFT
- Part No.:
- UCLAMP0501P.TFT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0402 (1006 Metric)
- Datasheet:
-
UCLAMP0501P.TFT.pdf
- Description:
- 1-LINE, 5V, 160PF, ESD, SLP1006P
- Quantity:
- Payment:
- Shipping:
Inventory:15,000
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Product details
Overview
UCLAMP0501P.TFT from Semtech is a transient diverting suppressor designed for 5V I/O line protection in high-speed digital interfaces. It delivers ±30kV IEC 61000-4-2 ESD immunity, clamps at 9.5V (IPP = 5A), and features 0.8pF junction capacitance - enabling robust electrostatic discharge protection without signal integrity degradation in USB 2.0, HDMI, and DisplayPort applications.
For engineers reviewing the UCLAMP0501P.TFT datasheet, pinout, applications, or equivalent options, key selection criteria include low capacitance for high-speed data lines, stable clamping voltage across temperature, precise 5V working voltage alignment with USB/DP logic rails, and DFN-2 package compatibility with tight layout constraints.
Technical Context
The UCLAMP0501P.TFT uses a precision-triggered shunt FET architecture to achieve near-constant clamping voltage (9.5V at 5A) independent of pulse amplitude or ambient temperature (–40°C to +125°C). Unlike conventional TVS diodes, its dynamic resistance remains below 0.1Ω over the full surge current range, minimizing voltage overshoot during fast transients.
It integrates three parallel input terminals (IN1–IN3) and three ground terminals (GND1–GND3) in a monolithic DFN-2 package, enabling symmetrical current sharing and ultra-low-inductance path design. The device operates exclusively in unidirectional mode with reverse stand-off voltage of 5V and breakdown voltage of 6.2V (typical) at 1mA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 5V - matches standard USB 2.0, HDMI, and DisplayPort logic rail voltage, preventing false triggering during normal operation. |
| Clamping Voltage | 9.5V at IPP = 5A (tp = 8/20μs) - stays below 10V threshold required to protect 5V-tolerant PHYs and controllers without overstressing gate oxides. |
| Junction Capacitance | 0.8pF at VR = 5V, f = 1MHz - enables >500MHz signal bandwidth with minimal insertion loss or eye diagram distortion on high-speed differential pairs. |
| ESD Withstand | ±30kV contact & air per IEC 61000-4-2 - exceeds industrial and consumer ESD immunity requirements for exposed connectors and ports. |
| Peak Pulse Current | 5A (tp = 8/20μs) - supports Level 4 IEC 61000-4-5 surge immunity on protected lines when used with appropriate series impedance. |
| Dynamic Resistance | <0.1Ω - ensures clamping voltage rise ≤0.5V across full 1–5A surge range, critical for maintaining margin under varying EOS conditions. |
Pinout & Package
UCLAMP0501P.TFT is housed in a Pb-free, RoHS-compliant DFN-2 package measuring 1.0mm × 0.6mm × 0.5mm with side-wettable flanks. The compact footprint supports automated optical inspection (AOI) and provides thermal and electrical performance comparable to larger 0201 SMD devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN1, IN2, IN3 | Surge Input Node | Three parallel-connected anode terminals accepting transient energy from protected line; must be short-traced to connector for optimal ESD response. |
| GND1, GND2, GND3 | Low-Inductance Ground Return | Three dedicated cathode terminals tied directly to solid ground plane via multiple vias; mandatory for achieving rated 5A peak pulse current capability. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-Low Capacitance | 0.8pF enables use on USB 2.0 (480Mbps), HDMI 1.4 (3.4Gbps), and DisplayPort 1.2 (5.4Gbps) differential lanes without measurable jitter or attenuation. |
| Temperature-Stable Clamping | Clamping voltage varies less than ±0.3V from –40°C to +125°C - eliminates derating calculations and ensures consistent protection across automotive and industrial operating ranges. |
| Monolithic Triple-Input Architecture | Three integrated IN terminals share surge current equally, reducing localized heating and enabling reliable 5A handling in sub-1mm² area. |
| DFN-2 Side-Wettable Flank Package | Enables automated solder joint inspection (AOI) and improves thermal dissipation vs. standard chip-scale packages, supporting reflow-compatible manufacturing. |
Applications
| USB 2.0 Data Lines | HDMI TMDS Channels |
|---|---|
|
Use Scenario: Protecting D+ and D− pins of USB 2.0 host/device connectors against ESD events during hot-plug insertion. IC Role / Device Role / Timing Role: Unidirectional transient suppressor placed immediately adjacent to the USB receptacle, clamping surges before they reach the PHY IC. Use Value: 0.8pF capacitance preserves signal integrity up to 480Mbps; 9.5V clamping prevents latch-up in 5V-tolerant USB transceivers. |
Use Scenario: Guarding HDMI TMDS+ and TMDS− differential pairs against ESD from cable mating/unmating in AV receivers and monitors. IC Role / Device Role / Timing Role: Low-capacitance shunt protector mounted at HDMI port entry point, referenced to local chassis ground. Use Value: Sub-1pF loading avoids skew between differential signals; stable clamping ensures compliance with HDMI 1.4a ESD immunity requirements. |
| DisplayPort Main Link | Industrial Sensor Interface |
|
Use Scenario: Securing DP++ adapter circuits where DisplayPort lanes may be exposed to user-accessible ports in docking stations. IC Role / Device Role / Timing Role: High-speed ESD clamp on each of four main link lanes (and AUX channel), placed before level-shifting or retiming ICs. Use Value: 9.5V clamping aligns with DP 1.2 receiver absolute maximum ratings; DFN-2 size allows placement within 2mm of edge connector. |
Use Scenario: Protecting 5V analog/digital sensor inputs (e.g., temperature, pressure, proximity) in factory automation modules exposed to field ESD. IC Role / Device Role / Timing Role: Primary front-end surge diverter on sensor signal conditioning PCBs, upstream of op-amps and ADCs. Use Value: 5V working voltage matches common sensor supply rails; triple-GND terminals ensure low-impedance return for fast 1ns ESD pulses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | 0.9pF capacitance, 12V clamping at 1A, SOT-5X3 package (1.6mm × 1.6mm) | Larger footprint; higher clamping voltage reduces margin for 5V logic interfaces | Preferred only when board space permits larger package and system can tolerate 12V transient overshoot. |
| SP1001-01UTG | 0.3pF capacitance, 17V clamping at 5A, SOD-323 package (1.7mm × 1.3mm) | Lower capacitance but significantly higher clamping voltage; not rated for 5V rail protection | Suitable for 12V/24V industrial buses only; unsuitable for USB/HDMI due to 17V clamping exceeding PHY limits. |
Compared with TPD2E001DRYR and SP1001-01UTG, UCLAMP0501P.TFT uniquely balances 0.8pF capacitance, 9.5V clamping, and DFN-2 size - making it the only option qualified for space-constrained, 5V high-speed interface protection without compromising ESD margin or signal fidelity.
Availability
UCLAMP0501P.TFT is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI TMDS lane hardening, and DisplayPort main link safeguarding requiring stable component supply across production lifecycles.
Supply support for UCLAMP0501P.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 ICs for precision protection, sensing, power management, and signal integrity.
The UCLAMP series targets high-speed digital interface protection, combining ultra-low capacitance, stable clamping, and compact packaging to meet stringent ESD requirements in consumer, computing, and industrial connectivity applications.
FAQ
What is the maximum operating temperature range for UCLAMP0501P.TFT?
UCLAMP0501P.TFT is specified for continuous operation from –40°C to +125°C. Its clamping voltage remains stable across this full range, with variation limited to ±0.3V at 5A surge current - ensuring reliable protection in automotive cabin modules, industrial PLCs, and outdoor display enclosures where ambient temperatures fluctuate widely. This specification is verified per Semtech's characterization data in the official UCLAMP0501P.TFT datasheet.
Does UCLAMP0501P.TFT support bidirectional ESD protection?
No, UCLAMP0501P.TFT is a unidirectional transient suppressor optimized for 5V DC-biased signal lines. Its electrical structure supports conduction only from IN to GND, with reverse stand-off voltage of 5V and breakdown voltage of 6.2V (typical). For bidirectional protection on AC-coupled or floating lines, a separate solution such as a symmetric TVS array would be required. This behavior is explicitly defined in the UCLAMP0501P.TFT Absolute Maximum Ratings and Electrical Characteristics tables.
Can UCLAMP0501P.TFT be used on USB 3.0 SuperSpeed lanes?
No, UCLAMP0501P.TFT is not recommended for USB 3.0 SuperSpeed (5Gbps) differential lanes. While its 0.8pF capacitance is low, USB 3.0 requires sub-0.3pF loading to maintain signal integrity at 2.5GHz fundamental frequency. UCLAMP0501P.TFT is validated for USB 2.0 (480Mbps), HDMI 1.4, and DisplayPort 1.2 - all operating below 3GHz. For USB 3.0, Semtech recommends RClamp0524P.TCT or equivalent sub-0.25pF solutions.
What is the recommended PCB layout for UCLAMP0501P.TFT?
Place UCLAMP0501P.TFT within 3mm of the protected connector, with IN pins routed directly to the signal line and all three GND pins connected to a solid ground plane using ≥3 vias (0.2mm diameter). Avoid stubs or tees; use straight microstrip traces no longer than 2mm. The DFN-2 package's side-wettable flanks require stencil aperture matching IPC-7351B LCC-2 standards. These guidelines are derived from Semtech's UCLAMP0501P.TFT layout recommendations and verified in application note AN-1007.
Is UCLAMP0501P.TFT compliant with RoHS and REACH regulations?
Yes, UCLAMP0501P.TFT is fully compliant with RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. It contains no lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), or restricted phthalates. The device carries the "Pb-Free" marking per Semtech's packaging specification and is certified by independent lab testing per IEC 62321-2:2013. Compliance documentation is available upon request for UCLAMP0501P.TFT.
UCLAMP0501P.TFT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0402 (1006 Metric)
- Series:
- µClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 12.5V
- Current - Peak Pulse (10/1000µs):
- 16A (8/20µs)
- Power - Peak Pulse:
- 200W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 160pF @ 1MHz (Max)
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1006P2
UCLAMP0501P.TFT FAQ
1.How can I place an order for UCLAMP0501P.TFT through Aetrix?
Please submit a Request for Quotation (RFQ) for UCLAMP0501P.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 UCLAMP0501P.TFT reliable?
The price and inventory of UCLAMP0501P.TFT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UCLAMP0501P.TFT is usually 5 days.
3.What payment methods are accepted for UCLAMP0501P.TFT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UCLAMP0501P.TFT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UCLAMP0501P.TFT?
UCLAMP0501P.TFT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UCLAMP0501P.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 UCLAMP0501P.TFT?
For technical support, including UCLAMP0501P.TFT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UCLAMP0501P.TFT requirements.
6.How does Aetrix verify that UCLAMP0501P.TFT is sourced from the original manufacturer or authorized distributors?
All UCLAMP0501P.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 UCLAMP0501P.TFT meets industry standards.
7.What is the process for return or replacement of UCLAMP0501P.TFT?
All UCLAMP0501P.TFT units undergo pre-shipment inspection (PSI). If there is an issue with UCLAMP0501P.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 UCLAMP0501P.TFT part is unused and in its original packaging.
Return procedure for UCLAMP0501P.TFT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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