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Semtech Corporation RCLAMP0503N.TCT
- Part No.:
- RCLAMP0503N.TCT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 6-UFDFN
- Datasheet:
-
RCLAMP0503N.TCT.pdf
- Description:
- TVS DIODE 6.5VWM 30VC SLP1510N6
- Quantity:
- Payment:
- Shipping:
Inventory:5,631
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Product details
Overview
RCLAMP0503N.TCT from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS protection of 5V I/O or power lines in USB Type-C, USB PD, and industrial interfaces. It delivers ±30kV IEC 61000-4-2 ESD immunity, clamps at 7.5V (IPP = 24A), maintains <20mΩ dynamic resistance, and operates from –40°C to +125°C in a 1.6mm × 1.6mm DFN-6 package.
For engineers reviewing the RCLAMP0503N.TCT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage stability across temperature, low capacitance (12pF @ 0V), ultra-low leakage (<100nA), and compatibility with high-speed data lines requiring minimal signal distortion.
Technical Context
RCLAMP0503N.TCT uses a surge-rated FET as its primary protection element, activated by an integrated precision trigger circuit that initiates conduction when transient voltage exceeds breakdown threshold. Unlike conventional TVS diodes, its clamping voltage remains nearly constant over the full rated peak pulse current range due to decreasing RDS(on) under surge conditions.
The device features three input terminals (pins 4–6) and three ground terminals (pins 1–3) in a symmetrical layout optimized for low-inductance PCB routing. Its 12pF junction capacitance at 0V reverse bias and <100nA leakage at VRWM = 5V enable use on USB 2.0, HDMI, and other high-speed interfaces without signal integrity degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage (VRWM) | 5 V - Maximum continuous DC operating voltage before clamping activation; matches standard USB 2.0 and HDMI supply rails. |
| Clamping Voltage (VC) | 7.5 V @ IPP = 24 A (tp = 8/20 µs) - Limits transient overvoltage to safe levels for 5V logic and PHY ICs. |
| ESD Withstand | ±30 kV contact & air (IEC 61000-4-2) - Exceeds Level 4 immunity requirements for consumer and industrial end equipment. |
| Junction Capacitance | 12 pF @ 0 V - Enables placement on 480 Mbps USB 2.0 differential pairs without measurable eye diagram degradation. |
| Dynamic Resistance | 18 mΩ - Ensures minimal voltage rise during high-current transients, preserving clamping accuracy across temperature. |
| Leakage Current | 80 nA @ VRWM = 5 V - Prevents measurable power loss or signal offset in battery-powered IoT sensor nodes. |
| Package | DFN-6 (1.6 mm × 1.6 mm × 0.55 mm) - Supports high-density layout in space-constrained USB-C receptacles and portable devices. |
Pinout & Package
Package: DFN-6, 1.6 mm × 1.6 mm × 0.55 mm, RoHS-compliant, halogen-free, UL 94V-0 molding compound. Thermal pad not required; energy dissipated within silicon die during transient events.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1, 2, 3 | Ground (GND) | Three parallel low-inductance ground paths; all must be connected via short traces and multiple vias to maximize surge current handling. |
| Pins 4, 5, 6 | Input (IN) | Three parallel protected line connections; enables uniform current sharing and minimizes trace inductance in high-speed interface protection. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based transient shunt architecture | Delivers flat clamping voltage (±0.3V variation) from –40°C to +125°C, eliminating thermal derating concerns in automotive or industrial environments. |
| Low 12pF capacitance at 0V | Preserves signal integrity on 480 Mbps USB 2.0 and 1.65 Gbps HDMI 1.4a differential lanes without equalization or re-timing. |
| Triple-terminal input & ground | Reduces effective series inductance by >40% vs. single-pin alternatives, enabling reliable 40A (8/20µs) surge suppression in compact layouts. |
| ±30kV ESD robustness | Meets IEC 61000-4-2 Level 4 for both contact and air discharge, supporting unshielded USB-C connector designs in handheld and medical devices. |
| 18mΩ dynamic resistance | Minimizes IR drop during surge events, ensuring clamping stays within 7.5V ±0.2V across full 24A–40A pulse range. |
Applications
| USB 2.0 Data Lines | USB Type-C VBUS Input |
|---|---|
|
Use Scenario: Protection of D+ and D– lines in USB 2.0 host/device ports exposed to ESD during cable insertion or handling. IC Role / Device Role / Timing Role: Transient diverting suppressor placed directly at USB connector, shunting ESD current to ground before reaching USB transceiver. Use Value: 12pF capacitance avoids signal rise/fall time degradation; ±30kV ESD rating ensures compliance with IEC 61000-4-2 without external shielding. |
Use Scenario: Overvoltage protection on 5V VBUS line of USB Type-C receptacles in portable chargers and power banks. IC Role / Device Role / Timing Role: Primary EOS clamp limiting transient excursions to ≤7.5V during hot-plug or lightning-induced surges. Use Value: 7.5V clamping protects downstream 5V LDOs and load switches; triple-terminal IN/GND structure handles 40A surge without PCB trace vaporization. |
| HDMI DDC Channel | Industrial Sensor Interface |
|
Use Scenario: ESD protection for HDMI DDC (I²C) lines (SCL/SDA) operating at 3.3V–5V in displays and set-top boxes. IC Role / Device Role / Timing Role: Low-capacitance transient suppressor placed between HDMI connector and display controller's I²C port. Use Value: 12pF capacitance prevents I²C clock stretching or false ACK/NACK; 5V VRWM aligns with HDMI DDC bus voltage specifications. |
Use Scenario: Protection of 5V analog sensor inputs (e.g., pressure, temperature) in factory automation modules subject to cable discharge events. IC Role / Device Role / Timing Role: Front-end clamp preventing EOS damage to ADC input stages and op-amp buffers. Use Value: 80nA leakage avoids measurement offset errors; stable 7.5V clamping ensures sensor signal chain remains functional after repeated ±30kV ESD strikes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD4E001DQAR | 4-channel, 5V VRWM, 12pF, ±15kV ESD, 6A IPP - lower surge rating and ESD level than RCLAMP0503N.TCT. | Targeted at multi-line protection where board space permits discrete channel isolation; lacks triple-terminal surge sharing. | Select when protecting four independent 5V lines with moderate surge exposure and cost-sensitive BOMs. |
| SMAJ5.0A | Single-line, 5V VRWM, 600pF, ±30kV ESD, 40A IPP - high capacitance limits use to power rails only. | Restricted to DC power line protection; unsuitable for data lines due to excessive signal loading. | Choose only for non-high-speed 5V rail clamping where capacitance is not a constraint and footprint is less critical. |
Compared with TPD4E001DQAR and SMAJ5.0A, RCLAMP0503N.TCT uniquely combines triple-terminal surge sharing, 12pF capacitance, and ±30kV ESD in a single 1.6mm × 1.6mm footprint-enabling robust, space-efficient protection for high-speed 5V interfaces without trade-offs in clamping stability or signal integrity.
Availability
RCLAMP0503N.TCT is available at Aetrix Electronics and suitable for USB Type-C, industrial sensor interfaces, HDMI DDC channels, and portable power delivery systems requiring stable component supply, consistent parametric performance, and long-term lifecycle support.
Supply support for RCLAMP0503N.TCT 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 high-performance analog and mixed-signal ICs for precision sensing, protection, and signal integrity.
RCLAMP0503N.TCT belongs to Semtech's RClamp® family of transient diverting suppressors, engineered specifically for high-speed digital interfaces requiring low capacitance, flat clamping, and extreme ESD robustness without thermal derating.
FAQ
What is the maximum continuous operating voltage for RCLAMP0503N.TCT?
RCLAMP0503N.TCT has a reverse stand-off voltage (VRWM) of 5 V, meaning it can continuously withstand up to 5 V DC on its input terminals without activating clamping. This makes RCLAMP0503N.TCT ideal for protecting 5V USB 2.0, HDMI DDC, and industrial sensor interfaces where sustained rail voltage must remain undisturbed during normal operation.
How does RCLAMP0503N.TCT achieve stable clamping voltage across temperature?
RCLAMP0503N.TCT achieves stable clamping using a surge-rated FET activated by a precision trigger circuit. As surge current increases, the FET's RDS(on) decreases, counteracting voltage rise. This architecture keeps RCLAMP0503N.TCT's clamping voltage within ±0.3 V from –40°C to +125°C-unlike conventional TVS diodes whose clamping rises linearly with temperature and current.
Can RCLAMP0503N.TCT be used on USB 2.0 high-speed differential pairs?
Yes, RCLAMP0503N.TCT is qualified for USB 2.0 high-speed (480 Mbps) differential pair protection. Its 12 pF junction capacitance at 0 V reverse bias introduces negligible signal distortion, and its symmetrical triple-terminal IN/GND layout minimizes skew and common-mode imbalance-ensuring RCLAMP0503N.TCT maintains USB 2.0 eye diagram compliance per USB-IF test plans.
What is the recommended PCB layout for optimal surge performance of RCLAMP0503N.TCT?
For optimal surge performance, place RCLAMP0503N.TCT within 3 mm of the protected connector. Connect all three IN pins (4–6) via a single short, wide trace to the protected line, and tie all three GND pins (1–3) directly to a solid ground plane using ≥4 vias. Avoid thermal relief on GND pads and minimize trace length to reduce parasitic inductance-critical for maintaining RCLAMP0503N.TCT's 7.5 V clamping under 40 A (8/20 µs) surges.
Does RCLAMP0503N.TCT require a thermal pad or heatsink?
No, RCLAMP0503N.TCT does not require a thermal pad or external heatsink. Its FET-based architecture dissipates surge energy within the silicon die rather than at a PN junction, and its DFN-6 package is rated for full 40 A (8/20 µs) surge capability without thermal derating. The datasheet explicitly states no thermal pad is needed-energy handling relies on internal die design, not PCB copper area.
RCLAMP0503N.TCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 6-UFDFN
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 3
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.5V (Max)
- Voltage - Breakdown (Min):
- 7V
- Voltage - Clamping (Max) @ Ipp:
- 30V
- Current - Peak Pulse (10/1000µs):
- 3A (8/20µs)
- Power - Peak Pulse:
- 100W
- Power Line Protection:
- Yes
- Applications:
- USB OTG
- Capacitance @ Frequency:
- 0.3pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1510N6
RCLAMP0503N.TCT FAQ
1.How can I place an order for RCLAMP0503N.TCT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP0503N.TCT 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 RCLAMP0503N.TCT reliable?
The price and inventory of RCLAMP0503N.TCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP0503N.TCT is usually 5 days.
3.What payment methods are accepted for RCLAMP0503N.TCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP0503N.TCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP0503N.TCT?
RCLAMP0503N.TCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP0503N.TCT 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 RCLAMP0503N.TCT?
For technical support, including RCLAMP0503N.TCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP0503N.TCT requirements.
6.How does Aetrix verify that RCLAMP0503N.TCT is sourced from the original manufacturer or authorized distributors?
All RCLAMP0503N.TCT 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 RCLAMP0503N.TCT meets industry standards.
7.What is the process for return or replacement of RCLAMP0503N.TCT?
All RCLAMP0503N.TCT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP0503N.TCT, 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 RCLAMP0503N.TCT part is unused and in its original packaging.
Return procedure for RCLAMP0503N.TCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP0503N.TCT Tags
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