Semtech Corporation RCLAMP0524J.TCT
- Part No.:
- RCLAMP0524J.TCT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 10-UFDFN
- Datasheet:
-
RCLAMP0524J.TCT.pdf
- Description:
- TVS DIODE 5VWM 15VC SLP2710P8
- Quantity:
- Payment:

- Shipping:

Inventory:4,622
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Product details
Overview
RCLAMP0524J.TCT from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS protection of 22V-rated power or data lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 40A peak pulse current (8/20μs), 27.5–28V clamping voltage at 24–40A, 20mΩ dynamic resistance, and 175pF junction capacitance - deployed in USB Type-C PD input protection and industrial load switch inputs.
For engineers reviewing the RCLAMP0524J.TCT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage stability across temperature and surge current, low dynamic resistance for flat VC vs. IPP behavior, DFN-6 package layout requirements, and compatibility with 22V bus systems requiring robust EOS resilience beyond standard TVS diodes.
Technical Context
RCLAMP0524J.TCT implements a surge-rated FET as the primary shunt element, activated by a precision trigger circuit that turns on the FET when transient voltage exceeds breakdown - enabling near-constant clamping voltage independent of peak pulse current magnitude. Unlike conventional TVS diodes, its clamping voltage remains stable from −40°C to +125°C due to negligible RDS(on) variation under surge conditions.
The device operates with three parallel input terminals (pins 4–6) and three ground terminals (pins 1–3), requiring all six pins to be connected for full 40A surge rating. Its functional architecture decouples clamping performance from junction heating, allowing reliable protection in thermally constrained industrial and portable applications where ambient temperature fluctuates widely.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 22 V - defines maximum continuous DC operating voltage on protected line without leakage or conduction. |
| Clamping Voltage | 27.5–28 V at 24–40A (1.2/50μs + 8/20μs combo wave) - ensures downstream 22V-rated ICs (e.g., USB PD controllers) remain below damage threshold during surge events. |
| Peak Pulse Current | 40 A (8/20μs) - supports compliance with IEC 61000-4-5 Level 4 industrial surge immunity testing. |
| ESD Withstand | ±30 kV contact & air (IEC 61000-4-2) - exceeds Class 4 ESD immunity for external connectors and human-accessible ports. |
| Dynamic Resistance | 20 mΩ - enables flat clamping voltage curve across full surge current range, minimizing voltage overshoot during fast transients. |
| Junction Capacitance | 175 pF at 22 V, 1 MHz - suitable for DC/low-speed power and control lines; not intended for high-speed differential pairs. |
Pinout & Package
Package: DFN-6 (1.6 mm × 1.6 mm × 0.55 mm), RoHS-compliant, halogen-free, UL 94V-0 molding compound, lead-free finish, tape-and-reel packaging (3,000 pcs/reel).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pins 1, 2, 3 | GND | Common ground return path for surge current; all three must be connected to minimize inductance and achieve full 40A rating. |
| Pins 4, 5, 6 | IN | Parallel-connected input terminals for protected line; all three required to distribute surge current and maintain low clamping voltage. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based shunt architecture | Enables constant clamping voltage across 24–40A surge range and −40°C to +125°C operating temperature. |
| Low dynamic resistance | 20 mΩ ensures minimal voltage rise under high di/dt transients, critical for protecting sensitive 22V power rails. |
| High-energy surge rating | 1120 W peak pulse power (8/20μs) supports industrial-grade lightning and switching surge immunity. |
| Ultra-high ESD immunity | ±30 kV contact/air per IEC 61000-4-2 eliminates need for secondary ESD staging in exposed interfaces. |
Applications
| USB Type-C Power Delivery Input Protection | Industrial Load Switch Input Protection |
|---|---|
Use Scenario: Protecting VBUS lines in USB Type-C receptacles supporting up to 20V/5A PD profiles against connector hot-plug transients, ESD, and cable-induced surges. IC Role / Device Role / Timing Role: Primary EOS shunt suppressor placed directly at connector, clamping transients before they reach PD controller or load switch. Use Value: Maintains 27.5–28V clamping across temperature and current - preventing overvoltage damage to 22V-rated PD controllers even at 125°C ambient. | Use Scenario: Safeguarding input terminals of industrial e-fuses and load switches (e.g., HS2950P) in remote meters, robotics, and factory automation equipment. IC Role / Device Role / Timing Role: Front-end transient diverter that limits voltage stress on internal FETs of load switches during lightning-induced surges. Use Value: Keeps clamping voltage below 28V across 40A surge, ensuring gate oxide integrity and avoiding latch-up in downstream power management ICs. |
| IoT Device Power Rail Protection | Storage Device DC Power Input Protection |
Use Scenario: Securing 22V DC input rails in battery-powered or PoE-powered IoT edge nodes exposed to field ESD and induced surges. IC Role / Device Role / Timing Role: Single-device solution replacing multi-stage TVS+MOV designs, reducing BOM count and PCB area. Use Value: 1.6 mm × 1.6 mm DFN footprint saves >60% board space versus discrete TVS arrays while delivering superior clamping consistency. | Use Scenario: Protecting 22V auxiliary or main power inputs in NVMe SSD enclosures, enterprise HDD backplanes, and RAID controllers. IC Role / Device Role / Timing Role: High-reliability surge suppressor for mission-critical storage infrastructure requiring long-term field durability. Use Value: Stable 27.5–28V clamping across temperature ensures consistent protection margin during sustained operation in heated server chassis environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TDS2211P.C | Identical electrical specs, same DFN-6 package, identical pinout and marking code T22; differs only in reel quantity (3,000 vs. unspecified for RCLAMP0524J.TCT). | Same use cases: USB PD, load switch, industrial 22V rail protection. | Select TDS2211P.C when standard Semtech reel size and traceability are required; RCLAMP0524J.TCT may reflect alternate distribution channel or packaging variant. |
| uClamp2411ZA | 24V working voltage, lower 24A peak pulse rating, higher 32V clamping voltage at 24A, smaller 1.0 mm × 0.6 mm SOD-323 package. | Better suited for CC/SBU lines in USB Type-C; insufficient for 40A VBUS-level protection. | Choose uClamp2411ZA only for low-current signal lines; RCLAMP0524J.TCT remains mandatory for high-energy 22V bus protection. |
Compared with TDS2211P.C, RCLAMP0524J.TCT offers identical protection performance but may differ in logistics handling; versus uClamp2411ZA, RCLAMP0524J.TCT delivers 67% higher surge current capacity and 4.5V lower clamping - making it the sole viable option for 22V power rail EOS hardening.
Availability
RCLAMP0524J.TCT is available at Aetrix Electronics and suitable for USB Type-C PD systems, industrial load switch inputs, and IoT device power rail protection requiring stable component supply, long-lifecycle support, and guaranteed EOS immunity compliance.
Supply support for RCLAMP0524J.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 sensing, protection, and signal integrity.
RCLAMP0524J.TCT belongs to Semtech's Transient Diverting Suppressor (TDS) product line, engineered to replace conventional TVS diodes in high-reliability 22V power and interface protection applications demanding flat clamping and thermal stability.
FAQ
What is the maximum continuous operating voltage for RCLAMP0524J.TCT?
RCLAMP0524J.TCT has a reverse stand-off voltage (VRWM) of 22 V, meaning it can safely operate continuously at up to 22 V DC on the protected line without significant leakage or conduction. This rating aligns with USB PD 3.0 VBUS levels and industrial 24V nominal systems derated to 22V for safety margin. Exceeding 22 V risks premature triggering or accelerated degradation.
How does RCLAMP0524J.TCT achieve stable clamping voltage across temperature?
RCLAMP0524J.TCT uses a surge-rated FET as the primary shunt element, activated by a precision trigger circuit. As surge current increases, the FET's RDS(on) decreases to ~20 mΩ, resulting in clamping voltage dominated by the fixed trigger circuit breakdown (~27.5–28 V). This architecture avoids the temperature-dependent VBR drift inherent in PN-junction TVS diodes, maintaining stable clamping from −40°C to +125°C.
Can RCLAMP0524J.TCT be used on high-speed data lines like USB SS or PCIe?
No - RCLAMP0524J.TCT has a junction capacitance of 175 pF at 22 V, which would severely degrade signal integrity on high-speed differential pairs (e.g., USB SuperSpeed, PCIe Gen3+). It is intended exclusively for DC power rails, low-speed control lines, or single-ended I/O with bandwidth <10 MHz. For high-speed lines, Semtech recommends RClamp3371ZC (<0.25 pF) instead.
What is the minimum PCB layout requirement to achieve the full 40A surge rating of RCLAMP0524J.TCT?
To achieve the rated 40A (8/20μs) peak pulse current, all three GND pins (1–3) and all three IN pins (4–6) must be connected - with short, wide traces and multiple vias to an inner ground plane. The device must be placed within 5 mm of the protected connector. Splitting or omitting any pin reduces surge capability and raises clamping voltage due to added parasitic inductance.
Is RCLAMP0524J.TCT compatible with lead-free reflow soldering processes?
Yes - RCLAMP0524J.TCT is fully RoHS-compliant with lead-free terminations and UL 94V-0 flammability-rated molding compound. It supports standard JEDEC J-STD-020D reflow profiles, including peak temperatures up to 260°C for 30 seconds. The DFN-6 package is qualified for both SnPb and Pb-free assembly without delamination or solder joint reliability issues.
RCLAMP0524J.TCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 10-UFDFN
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 4
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 15V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- 150W
- Power Line Protection:
- Yes
- Applications:
- HDMI
- Capacitance @ Frequency:
- 0.8pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP2710P8
RCLAMP0524J.TCT FAQ
1.How can I place an order for RCLAMP0524J.TCT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP0524J.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 RCLAMP0524J.TCT reliable?
The price and inventory of RCLAMP0524J.TCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP0524J.TCT is usually 5 days.
3.What payment methods are accepted for RCLAMP0524J.TCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP0524J.TCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP0524J.TCT?
RCLAMP0524J.TCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP0524J.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 RCLAMP0524J.TCT?
For technical support, including RCLAMP0524J.TCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP0524J.TCT requirements.
6.How does Aetrix verify that RCLAMP0524J.TCT is sourced from the original manufacturer or authorized distributors?
All RCLAMP0524J.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 RCLAMP0524J.TCT meets industry standards.
7.What is the process for return or replacement of RCLAMP0524J.TCT?
All RCLAMP0524J.TCT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP0524J.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 RCLAMP0524J.TCT part is unused and in its original packaging.
Return procedure for RCLAMP0524J.TCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP0524J.TCT Tags

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Diodes Incorporated

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Diodes Incorporated

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Toshiba Semiconductor and Storage

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