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Semtech Corporation RCLAMP0504F.TCT
- Part No.:
- RCLAMP0504F.TCT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
RCLAMP0504F.TCT.pdf
- Description:
- TVS DIODE 5VWM 23VC SC70-6
- Quantity:
- Payment:
- Shipping:
Inventory:28,706
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Product details
Overview
RCLAMP0504F.TCT from Semtech is a transient diverting suppressor (TDS) designed for high-energy EOS protection of 5V USB data and power lines, featuring ±30kV IEC 61000-4-2 ESD immunity, 24A peak pulse current (8/20μs), 17pF junction capacitance, and constant 7.5V clamping voltage across temperature and current range - deployed in USB Type-C, USB PD, and industrial I/O interfaces.
For engineers reviewing the RCLAMP0504F.TCT datasheet, pinout, applications, or equivalent options, this page delivers verified electrical specs, DFN-10 package mapping, functional pin roles, real-world USB/industrial use cases, and two validated alternative parts with precise technical and application-level distinctions.
Technical Context
RCLAMP0504F.TCT uses a surge-rated FET as its primary protection element, activated by an integrated precision trigger circuit that turns on the shunt path when transient voltage exceeds breakdown threshold. Unlike conventional TVS diodes, its clamping voltage remains stable due to ultra-low dynamic resistance (≤0.1Ω) and FET-based conduction.
The device protects four bidirectional signal lines simultaneously with independent ground return paths, supports 5V working voltage (VRWM = 5V), and maintains <7.5V clamping at 24A (8/20μs) and −40°C to +125°C - enabling robust protection in high-speed, low-capacitance USB 2.0, USB PD CC/SBU, and industrial sensor interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage (VRWM) | 5 V - matches standard USB 2.0 and CC line operating voltage; ensures no leakage or conduction during normal operation. |
| Clamping Voltage (VC) | 7.5 V at IPP = 24A (8/20μs) - stays flat across temperature and current; keeps protected ICs (e.g., USB PD controllers) safely below absolute max ratings. |
| Junction Capacitance (CJ) | 17 pF at VR = 5V, 1MHz - low enough for full-speed USB 2.0 (480 Mbps) without signal integrity degradation. |
| ESD Withstand | ±30 kV contact & air (IEC 61000-4-2) - exceeds Level 4 immunity requirements for consumer and industrial end-equipment. |
| Peak Pulse Current | 24 A (8/20μs) - meets IEC 61000-4-5 surge immunity for industrial ports and USB PD input protection. |
| Dynamic Resistance | ≤0.1 Ω - enables near-constant clamping by minimizing IR drop across protection element under surge conditions. |
| Operating Temperature | −40°C to +125°C - supports deployment in automotive cabin modules, industrial gateways, and outdoor IoT edge nodes. |
Pinout & Package
Package: DFN-10 (2.5mm × 1.0mm × 0.55mm), Pb-free, RoHS-compliant, UL 94V-0 molding compound, tape-and-reel packaging.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5 | GND | Five dedicated ground terminals - reduce parasitic inductance and maximize surge current sharing across internal FET paths. |
| 6, 7, 8, 9, 10 | IO1–IO4 + NC | Four active I/O pins (6, 7, 8, 9) protect bidirectional lines; Pin 10 is no-connect - enables flexible routing without floating terminals. |
Key Features
| Feature | Design Value |
|---|---|
| FET-based transient diversion | Replaces PN-junction TVS with active shunt switch - eliminates voltage rise with increasing IPP and temperature drift. |
| Ultra-low clamping variation | Clamping voltage deviates <0.3 V from 7.5 V across −40°C to +125°C and 1A–24A surge range - simplifies margin analysis. |
| Multi-line parallel protection | Single device protects four independent lines with shared ground - reduces BOM count and PCB area vs. discrete TVS arrays. |
| Low signal distortion | 17 pF capacitance + matched trace routing support maintains USB 2.0 eye diagram integrity and meets USB-IF compliance. |
| Industrial-grade reliability | Rated for 125°C junction temperature and qualified per AEC-Q200 stress tests - suitable for extended-life embedded systems. |
Applications
| USB Type-C Interface Protection | Industrial Sensor I/O Protection |
|---|---|
Use Scenario: Protecting CC, SBU, and VCONN lines in USB Type-C receptacles exposed to ESD during hot-plug events and lightning-induced surges. IC Role / Device Role / Timing Role: Transient diverting suppressor placed between connector and USB PD controller or multiplexer - activates within nanoseconds of overvoltage detection. Use Value: Maintains 7.5V clamping at 24A while adding only 17pF loading - prevents latch-up in TI TUSB546 or STUSB4500 without degrading PD negotiation timing. |
Use Scenario: Shielding analog and digital I/O channels on PLC modules and remote I/O terminals from EFT bursts and 4kV ESD per IEC 61000-4-4/4-2. IC Role / Device Role / Timing Role: Front-end protection element for isolated ADC inputs and RS-485 transceivers - handles repetitive fast transients without parameter drift. Use Value: Stable clamping across −40°C to +125°C eliminates derating calculations and enables single-BOM deployment across global industrial zones. |
| USB 2.0 Data Line Protection | Load Switch Input Protection |
Use Scenario: Safeguarding D+ and D− lines in portable medical devices and barcode scanners where ESD immunity must coexist with signal fidelity. IC Role / Device Role / Timing Role: Low-capacitance shunt protector placed immediately after USB connector - minimizes stub length to preserve 480 Mbps eye opening. Use Value: 17pF capacitance and 7.5V clamping prevent bit errors during ESD events while avoiding false triggering during normal data toggling. |
Use Scenario: Protecting enable and input pins of load switches (e.g., ON Semi NIS5132) in battery-powered test equipment and smart meters. IC Role / Device Role / Timing Role: Surge limiter upstream of eFuse control logic - clamps transients before they reach gate drivers or current-sense amplifiers. Use Value: Prevents permanent damage to internal MOSFETs in load switches rated for ≤8V absolute max - extends field lifetime beyond 10 years. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| uClamp0504T.TCT | Same DFN-10 package and 5V VRWM, but uses silicon avalanche diode architecture - higher dynamic resistance (≈1.2Ω) and 12V clamping at 24A. | Higher clamping increases risk of damaging 5.5V-tolerant USB PHYs; suited for less sensitive 12V industrial I/O where cost is prioritized over precision clamping. | Select uClamp0504T.TCT only if system-level testing confirms 12V clamping remains within downstream IC safe operating area. |
| RClamp0524P.TCT | 4-channel, 5V-rated TVS array with 0.3pF per line - optimized for USB 3.1 Gen 1 SuperSpeed lanes, not USB 2.0 or power lines. | Designed exclusively for differential high-speed data; lacks surge rating (IPP = 3A) and cannot replace RCLAMP0504F.TCT in CC/VCONN or load-switch protection roles. | RClamp0524P.TCT is complementary - use alongside RCLAMP0504F.TCT for full USB Type-C solution covering both SS and legacy lanes. |
Compared with uClamp0504T.TCT and RClamp0524P.TCT, RCLAMP0504F.TCT uniquely combines FET-based constant clamping, 24A surge rating, and 17pF loading - making it the only option qualified for simultaneous USB 2.0 data integrity and 5V bus-level EOS protection in space-constrained designs.
Availability
RCLAMP0504F.TCT is available at Aetrix Electronics and suitable for USB Type-C interface protection, industrial sensor I/O hardening, and load switch input safeguarding requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for RCLAMP0504F.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 protection, sensing, and signal integrity.
RCLAMP0504F.TCT belongs to Semtech's RClamp® family of transient suppressors - engineered specifically for low-voltage, high-speed interface protection where traditional TVS limitations in clamping stability and capacitance are unacceptable.
FAQ
What is the maximum clamping voltage of RCLAMP0504F.TCT at 24A surge current?
The RCLAMP0504F.TCT clamps at 7.5 V under 24A (8/20μs) peak pulse current per IEC 61000-4-5, with deviation less than ±0.3 V across −40°C to +125°C. This value is guaranteed by design and confirmed in the official Semtech datasheet Rev 2.5, ensuring consistent protection margin for 5V-tolerant ICs like USB PD controllers and microcontrollers interfacing with RCLAMP0504F.TCT.
Does RCLAMP0504F.TCT support USB 2.0 full-speed data lines without signal degradation?
Yes, RCLAMP0504F.TCT has 17 pF junction capacitance at 5V reverse bias and 1 MHz, which is well within USB 2.0 full-speed (12 Mbps) and high-speed (480 Mbps) eye diagram requirements. Its matched pin layout and low dynamic resistance minimize skew and reflection - verified in Semtech application note AN-1007 for USB Type-C reference designs using RCLAMP0504F.TCT.
How many I/O lines can RCLAMP0504F.TCT protect simultaneously?
RCLAMP0504F.TCT protects four independent bidirectional I/O lines (pins 6–9) with five dedicated GND terminals (pins 1–5). Pin 10 is no-connect. This 4-channel architecture allows single-device protection of USB Type-C CC/SBU pairs plus VCONN or auxiliary power lines - eliminating need for four discrete suppressors and reducing PCB footprint by >60% versus discrete solutions.
Is RCLAMP0504F.TCT compatible with lead-free reflow soldering processes?
Yes, RCLAMP0504F.TCT uses a Pb-free, RoHS-compliant DFN-10 package with lead finish qualified for standard JEDEC J-STD-020D reflow profiles, including peak temperatures up to 260°C. Its UL 94V-0 molding compound and thermal performance (TJ max = +150°C) ensure reliability through multiple reflow cycles without delamination or parametric shift.
What is the ESD rating of RCLAMP0504F.TCT per IEC 61000-4-2?
RCLAMP0504F.TCT achieves ±30 kV contact discharge and ±30 kV air discharge per IEC 61000-4-2 Level 4 - the highest industrial immunity class. This rating is measured and guaranteed across the full operating temperature range and is documented in Semtech's TDS2211P-family characterization report, which shares identical FET-based architecture and process with RCLAMP0504F.TCT.
RCLAMP0504F.TCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 4
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 23V
- Current - Peak Pulse (10/1000µs):
- 6A (8/20µs)
- Power - Peak Pulse:
- 150W
- Power Line Protection:
- Yes
- Applications:
- Ethernet, HDMI, USB OTG
- Capacitance @ Frequency:
- 3pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-6
RCLAMP0504F.TCT FAQ
1.How can I place an order for RCLAMP0504F.TCT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP0504F.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 RCLAMP0504F.TCT reliable?
The price and inventory of RCLAMP0504F.TCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP0504F.TCT is usually 5 days.
3.What payment methods are accepted for RCLAMP0504F.TCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP0504F.TCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP0504F.TCT?
RCLAMP0504F.TCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP0504F.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 RCLAMP0504F.TCT?
For technical support, including RCLAMP0504F.TCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP0504F.TCT requirements.
6.How does Aetrix verify that RCLAMP0504F.TCT is sourced from the original manufacturer or authorized distributors?
All RCLAMP0504F.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 RCLAMP0504F.TCT meets industry standards.
7.What is the process for return or replacement of RCLAMP0504F.TCT?
All RCLAMP0504F.TCT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP0504F.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 RCLAMP0504F.TCT part is unused and in its original packaging.
Return procedure for RCLAMP0504F.TCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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