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Semtech Corporation RCLAMP3324P.TCT
- Part No.:
- RCLAMP3324P.TCT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 10-UFDFN
- Datasheet:
-
RCLAMP3324P.TCT.pdf
- Description:
- TVS DIODE 3.3VWM 4.5VC SGP2510P8
- Quantity:
- Payment:
- Shipping:
Inventory:9,000
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Product details
Overview
RCLAMP3324P.TCT from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS/ESD protection of 3.3V I/O lines in USB, HDMI, and industrial interfaces. It delivers ±30kV IEC 61000-4-2 ESD immunity, clamps at 6.5V (IPP = 24A), features 0.25pF junction capacitance, and uses a surge-rated FET architecture to maintain stable clamping across temperature and current.
For engineers reviewing the RCLAMP3324P.TCT datasheet, pinout, applications, or equivalent options, this device is selected for low-capacitance, high-fidelity signal line protection where clamping stability, minimal signal distortion, and robust multi-standard compliance are critical.
Technical Context
RCLAMP3324P.TCT implements a precision-triggered shunt FET architecture - not a conventional TVS diode - enabling near-constant clamping voltage (6.5V) over 24A peak pulse current (8/20μs) and −40°C to +125°C operating range. Its dynamic resistance is 0.15Ω, and it achieves <0.25pF capacitance at VR = 3.3V, f = 1MHz.
The device protects one high-speed data line with bidirectional operation, reverse stand-off voltage of 3.3V, breakdown voltage of 4.5V (min), and leakage current ≤100nA at rated VR. It is optimized for placement directly at connectors to minimize trace inductance and coupling during fast-rising ESD events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 3.3V - matches standard USB/HDMI/PCIe I/O rail voltage, enabling direct integration without level-shifting. |
| Clamping Voltage (IPP = 24A) | 6.5V - stays below 7V threshold of most 3.3V transceivers, preventing latch-up or damage during surge. |
| Junction Capacitance | 0.25pF at 3.3V - preserves signal integrity on >10Gbps links (e.g., USB 3.2 Gen 2x2, HDMI 2.1) with negligible insertion loss. |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - exceeds automotive and industrial immunity requirements for exposed ports. |
| Peak Pulse Current | 24A (8/20μs) - handles lightning-induced surges per IEC 61000-4-5 Level 3 (1kV, 42Ω source) on unsymmetrical lines. |
| Dynamic Resistance | 0.15Ω - ensures low-voltage drop under surge, minimizing energy dissipation in the protected IC's input stage. |
Pinout & Package
Package: DFN 1.0mm × 1.0mm × 0.55mm, 4-lead, RoHS-compliant, UL 94V-0 molding compound, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 | GND | Dual ground terminals - must be connected to low-inductance ground plane via multiple vias to sustain 24A surge return path. |
| 3 | IN | Protected I/O line input - connects directly to connector-facing trace; single-point entry minimizes stub length. |
| 4 | IN | Redundant input terminal - paralleled internally with Pin 3; enables symmetric layout and lower effective trace inductance. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based clamping architecture | Eliminates voltage rise with increasing IPP - clamping remains stable at 6.5V from 1A to 24A (8/20μs), unlike TVS diodes. |
| Ultra-low 0.25pF capacitance | Enables use on 10+ Gbps differential pairs (e.g., USB 3.2 Gen 2, DisplayPort 1.4) without degrading eye diagram or jitter. |
| ±30kV ESD rating | Meets and exceeds IEC 61000-4-2 Level 4 for both contact and air discharge - suitable for consumer and industrial front-panel ports. |
| 3.3V working voltage | Aligned with standard logic I/O rails - no derating required; supports hot-plug detection and USB PD CC line protection. |
| DFN 1.0×1.0mm footprint | Reduces board area by >60% vs. SOT-563 alternatives - critical for space-constrained mobile and IoT edge devices. |
Applications
| USB 3.2 Gen 2 Interface Protection | HDMI 2.1 Source Port Protection |
|---|---|
Use Scenario: Protecting TX/RX differential pairs on a laptop USB-C port supporting 10Gbps data + 100W PD. IC Role / Device Role / Timing Role: Bidirectional transient shunt placed immediately after the connector, clamping ESD/EFT before reaching the USB controller PHY. Use Value: 0.25pF capacitance prevents signal degradation; 6.5V clamping avoids violating the 7V absolute maximum rating of USB 3.2 transceivers. |
Use Scenario: Securing HDMI 2.1 TMDS channels on a set-top box output port exposed to handling ESD and cable-borne surges. IC Role / Device Role / Timing Role: Low-capacitance shunt suppressor on each TMDS+/- pair, preserving 48Gbps bandwidth and minimizing skew. Use Value: Stable 6.5V clamping across −40°C to +85°C ensures consistent protection during thermal cycling in consumer enclosures. |
| Industrial Sensor Hub I/O Protection | Automotive Infotainment USB-C Docking |
Use Scenario: Shielding RS-485, CAN FD, and USB 2.0 lines on an IP65-rated factory floor sensor aggregator. IC Role / Device Role / Timing Role: Single-device solution for mixed-signal I/O protection, replacing discrete TVS arrays and reducing BOM count. Use Value: ±30kV ESD and 24A surge rating meet IEC 61000-4-2/4-4/4-5 industrial immunity standards without external filtering. |
Use Scenario: Protecting USB-C receptacle on a vehicle infotainment head unit supporting video-out and accessory charging. IC Role / Device Role / Timing Role: Front-line EOS suppressor on VBUS and CC lines, coordinated with uClamp2411ZA for CC-specific overvoltage blocking. Use Value: 3.3V working voltage and 6.5V clamping prevent false CC detection errors during hot-plug while surviving automotive load-dump transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| uClamp3311ZA.TCT | Same 3.3V VRWM, but higher 8.5V clamping (IPP = 24A); 0.35pF capacitance; uses silicon avalanche structure. | Better suited for non-high-speed lines (e.g., UART, I²C) where capacitance <0.5pF is acceptable. | Select when cost sensitivity outweighs signal integrity requirements and clamping margin allows up to 8.5V. |
| RClamp0524P.TCT | 5V VRWM, 12V clamping (IPP = 24A), 0.3pF capacitance; optimized for 5V logic and legacy USB 2.0. | Not compatible with 3.3V-only interfaces - risks forward conduction during normal operation. | Choose only for 5V systems; avoid for RCLAMP3324P.TCT-replaced 3.3V designs due to incorrect stand-off voltage. |
Compared with uClamp3311ZA.TCT and RClamp0524P.TCT, RCLAMP3324P.TCT uniquely delivers sub-0.25pF capacitance and 6.5V clamping at 3.3V VRWM - making it the only option qualified for next-gen high-speed serial interfaces without signal integrity compromise.
Availability
RCLAMP3324P.TCT is available at Aetrix Electronics and suitable for USB 3.2 Gen 2, HDMI 2.1, and industrial sensor interface designs requiring stable component supply, long-term lifecycle assurance, and full traceability.
Supply support for RCLAMP3324P.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 analog and mixed-signal ICs for precision protection, signal integrity, and power management.
RCLAMP3324P.TCT belongs to Semtech's RClamp® family of ultra-low-capacitance ESD suppressors, engineered specifically for high-speed digital interfaces where traditional TVS diodes introduce unacceptable signal distortion.
FAQ
What is the maximum clamping voltage of RCLAMP3324P.TCT under 24A surge conditions?
The RCLAMP3324P.TCT clamps at 6.5V when subjected to a 24A (8/20μs) peak pulse current. This value is guaranteed across −40°C to +125°C and remains stable due to its FET-based architecture - unlike TVS diodes whose clamping rises linearly with current. The 6.5V clamping ensures compatibility with 3.3V transceivers having a 7V absolute maximum rating.
Can RCLAMP3324P.TCT be used on differential high-speed lines like USB 3.2 Gen 2?
Yes, RCLAMP3324P.TCT is explicitly designed for differential high-speed lines. Its 0.25pF junction capacitance at 3.3V minimizes signal distortion, preserving eye diagrams and jitter performance on 10Gbps links. Each RCLAMP3324P.TCT protects one single-ended line; two devices (one per polarity) are used per differential pair.
Does RCLAMP3324P.TCT meet IEC 61000-4-2 Level 4 ESD requirements?
Yes, RCLAMP3324P.TCT exceeds IEC 61000-4-2 Level 4 with ±30kV contact and ±30kV air discharge ratings. This performance is verified per the official Semtech datasheet and qualifies the device for consumer, industrial, and automotive infotainment applications where exposed ports require highest-tier ESD immunity.
What is the recommended PCB layout for optimal surge performance of RCLAMP3324P.TCT?
Place RCLAMP3324P.TCT within 3mm of the protected connector. Connect Pins 1 and 2 directly to a solid ground plane using ≥2 vias each. Route the protected signal (Pins 3 and 4) as a short, straight trace with no stubs. Avoid routing other signals beneath the device - its internal FET shunt requires minimal loop inductance to achieve specified 24A surge capability.
How does RCLAMP3324P.TCT differ from standard TVS diodes in clamping behavior?
RCLAMP3324P.TCT uses a triggered shunt FET instead of a PN-junction avalanche structure. As a result, its clamping voltage stays nearly constant (6.5V) from 1A to 24A surge current, whereas TVS diodes exhibit rising clamping (VC = VBR + IPP × RDYN). This eliminates design uncertainty caused by temperature- and current-dependent clamping drift in standard TVS devices.
RCLAMP3324P.TCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 10-UFDFN
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 4
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 8V (Typ)
- Voltage - Clamping (Max) @ Ipp:
- 4.5V
- Current - Peak Pulse (10/1000µs):
- 4.5A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- Yes
- Applications:
- -
- Capacitance @ Frequency:
- 0.6pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SGP2510P8
RCLAMP3324P.TCT FAQ
1.How can I place an order for RCLAMP3324P.TCT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP3324P.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 RCLAMP3324P.TCT reliable?
The price and inventory of RCLAMP3324P.TCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP3324P.TCT is usually 5 days.
3.What payment methods are accepted for RCLAMP3324P.TCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP3324P.TCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP3324P.TCT?
RCLAMP3324P.TCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP3324P.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 RCLAMP3324P.TCT?
For technical support, including RCLAMP3324P.TCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP3324P.TCT requirements.
6.How does Aetrix verify that RCLAMP3324P.TCT is sourced from the original manufacturer or authorized distributors?
All RCLAMP3324P.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 RCLAMP3324P.TCT meets industry standards.
7.What is the process for return or replacement of RCLAMP3324P.TCT?
All RCLAMP3324P.TCT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP3324P.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 RCLAMP3324P.TCT part is unused and in its original packaging.
Return procedure for RCLAMP3324P.TCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP3324P.TCT Tags
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