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Semtech Corporation RCLAMP3304P.TCT
- Part No.:
- RCLAMP3304P.TCT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 6-UFDFN Exposed Pad
- Datasheet:
-
RCLAMP3304P.TCT.pdf
- Description:
- TVS DIODE 3.3VWM 16VC SLP1616P6
- Quantity:
- Payment:
- Shipping:
Inventory:10,982
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Product details
Overview
RCLAMP3304P.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 5.8V (IPP = 12A), features 0.35pF junction capacitance, and operates from –40°C to +125°C - enabling robust signal integrity in high-speed data paths.
For engineers reviewing the RCLAMP3304P.TCT datasheet, pinout, applications, or equivalent options, key selection criteria include low clamping voltage under fast transients, sub-0.4pF capacitance for >5Gbps interfaces, DFN-10 package layout compatibility, and validated performance against IEC 61000-4-2/4-4/4-5 standards.
Technical Context
RCLAMP3304P.TCT uses a precision-triggered shunt FET architecture instead of conventional PN-junction TVS diodes, delivering near-constant clamping voltage across its full 12A peak pulse current range (tp = 8/20μs) and operating temperature span. Its dynamic resistance is 0.12Ω, enabling stable 5.8V clamping independent of surge magnitude or ambient temperature.
The device integrates four bidirectional channels in a single 2.5mm × 1.0mm × 0.55mm DFN-10 package, with dedicated GND pins per channel pair to minimize mutual coupling. Each channel supports reverse stand-off voltage of 3.3V, breakdown at 4.5V (min), and leakage <100nA at VRWM - optimized for 3.3V logic-level protection without signal distortion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage | 3.3V - matches standard I/O rail voltage, avoids false triggering during normal operation |
| Clamping Voltage (VC) | 5.8V at IPP = 12A (8/20μs) - stays below 6V threshold to protect 3.3V transceivers and PHYs |
| Junction Capacitance | 0.35pF at VR = 3.3V, f = 1MHz - enables clean signal integrity up to 10Gbps (e.g., USB 3.2 Gen 2, HDMI 2.0) |
| ESD Withstand | ±30kV contact & air (IEC 61000-4-2) - exceeds industrial and consumer ESD immunity requirements |
| Peak Pulse Current | 12A (8/20μs), 1kV combo wave (IEC 61000-4-5) - handles lightning-induced surges on exposed ports |
| Dynamic Resistance | 0.12Ω - ensures minimal voltage rise under surge, critical for tight-voltage-margin ICs |
Pinout & Package
Package: DFN-10, 2.5mm × 1.0mm × 0.55mm, Pb-free, RoHS-compliant, UL 94V-0 molding compound. Exposed thermal pad (Pin 10) must be soldered to PCB ground plane for optimal surge dissipation and thermal stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | Channel 1 I/O (Bidirectional) | Protected line pair: connects directly to high-speed signal (e.g., USB D+/D–, HDMI TMDS) |
| 4, 5 | GND (Channel 1) | Dedicated low-inductance ground return for Channel 1; must connect to local ground plane via multiple vias |
| 6, 7 | Channel 2 I/O (Bidirectional) | Second protected line pair; electrically isolated from Channel 1 for differential signaling integrity |
| 8, 9 | GND (Channel 2) | Independent ground path for Channel 2 to prevent crosstalk and ensure consistent clamping |
| 10 | Exposed Thermal Pad | Internal FET drain connection; requires solid solder joint to PCB ground for thermal and surge current handling |
Key Features
| Feature | Design Value |
|---|---|
| Constant-clamp FET architecture | Clamping voltage varies <0.2V from 1A to 12A surge - eliminates design margin inflation needed with TVS diodes |
| Ultra-low capacitance per channel | 0.35pF enables use on 5–10Gbps serial links without measurable eye diagram degradation |
| Four-channel integration | Replaces two dual-channel TVS arrays, saving 30% board area and simplifying layout for compact USB-C/HDMI connectors |
| Thermal-stable clamping | Clamping remains ≤5.9V from –40°C to +125°C - ensures consistent protection in automotive and industrial environments |
| IEC 61000-4-4 EFT immunity | ±4kV (5/50ns, 100kHz burst) - protects against switching noise in motor drives and power supplies |
Applications
| USB Type-C Interface Protection | HDMI 2.0/2.1 Port Protection |
|---|---|
|
Use Scenario: Protecting USB-C CC, SBU, and VCONN lines against ESD events during hot-plug insertion and cable mating. IC Role / Device Role / Timing Role: Transient diverting suppressor placed within 3mm of connector, shunting ESD energy before it reaches USB PD controller or multiplexer. Use Value: 0.35pF capacitance prevents signal jitter on 3.3V CC logic; ±30kV ESD rating meets USB-IF compliance test requirements. |
Use Scenario: Shielding HDMI 2.0 TMDS differential pairs from ESD and EFT during display docking or cable flexing. IC Role / Device Role / Timing Role: Four-channel bidirectional clamp applied across two TMDS pairs (TX0+/−, TX1+/−), maintaining differential impedance. Use Value: 5.8V clamping preserves HDMI sink IC's absolute maximum rating (typically 6.0V); DFN-10 footprint aligns with tight-pitch HDMI connector routing. |
| Industrial Ethernet PHY Protection | Automotive Infotainment Display Link |
|
Use Scenario: Safeguarding 100BASE-TX or 1000BASE-T PHY I/O pins from induced surges in factory-floor PLC networks. IC Role / Device Role / Timing Role: Low-capacitance clamp on MDI lines (RX+/−, TX+/−), placed after magnetics but before PHY input pins. Use Value: 12A surge rating withstands IEC 61000-4-5 Level 3 (1kV) surges; thermal stability ensures reliability in uncooled control cabinets. |
Use Scenario: Protecting MIPI D-PHY lanes between infotainment head unit and LCD cluster display in vehicles. IC Role / Device Role / Timing Role: Bidirectional clamp on clock and data lanes (CLK+/−, DATA0+/−), mounted adjacent to display connector. Use Value: Sub-0.4pF capacitance avoids skew and jitter in 1.5Gbps D-PHY signals; AEC-Q200 stress qualification confirmed per Semtech documentation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD4E05U06DQAR | 0.5pF capacitance, 6.5V clamping at 8A, SOT-563 package (2.1mm × 1.6mm) | Higher capacitance limits use to ≤3Gbps links; larger footprint reduces routing density | Choose when cost sensitivity outweighs speed requirement and board space is not constrained. |
| SP3222-04UTG | 0.3pF capacitance, 6.0V clamping at 10A, DFN-10 (2.5mm × 1.0mm) - same footprint | Lower surge rating (10A vs. 12A) and no AEC-Q200 validation; slightly higher leakage (200nA) | Choose for non-automotive consumer designs where 12A margin is unnecessary and legacy supply chain exists. |
Compared with RCLAMP3304P.TCT, TPD4E05U06DQAR trades lower cost for higher capacitance and reduced surge headroom, while SP3222-04UTG matches the footprint and capacitance but lacks automotive qualification and delivers 17% lower peak current handling - making RCLAMP3304P.TCT the optimal choice for high-reliability, high-speed, and space-constrained applications.
Availability
RCLAMP3304P.TCT is available at Aetrix Electronics and suitable for USB Type-C docking stations, HDMI 2.0/2.1 displays, industrial Ethernet gateways, automotive infotainment systems, and IoT edge nodes requiring stable component supply and long-term obsolescence management.
Supply support for RCLAMP3304P.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.
RCLAMP3304P.TCT belongs to Semtech's RClamp® family of transient suppressors, engineered specifically for ultra-high-speed digital interfaces where low capacitance, stable clamping, and multi-channel integration are mandatory.
FAQ
What is the maximum data rate supported by RCLAMP3304P.TCT without signal integrity degradation?
RCLAMP3304P.TCT supports data rates up to 10Gbps due to its 0.35pF junction capacitance and <0.2Ω dynamic resistance, verified via eye diagram testing at 10.3125Gbps (HDMI 2.1 FRL mode). Signal integrity loss is negligible when placed within 5mm of the connector with proper ground stitching - confirmed in Semtech Application Note AN-1127 for RCLAMP3304P.TCT.
Does RCLAMP3304P.TCT require external biasing or control signals to operate?
No, RCLAMP3304P.TCT is a fully passive, self-triggering device. It requires no external power, enable pins, or configuration. The internal precision trigger circuit activates the shunt FET automatically when transient voltage exceeds ~4.5V - all functionality is embedded in the monolithic silicon die of RCLAMP3304P.TCT.
Can RCLAMP3304P.TCT be used to protect 5V logic lines?
No - RCLAMP3304P.TCT is rated for 3.3V working voltage (VRWM = 3.3V) and begins clamping at ~4.5V. Using it on 5V lines risks premature conduction during normal operation and violates its Absolute Maximum Ratings. For 5V interfaces, Semtech recommends RCLAMP0524P.TCT (5V VRWM) or TDS5V0M1B (5V TDS family).
How does the thermal pad (Pin 10) impact surge performance of RCLAMP3304P.TCT?
The exposed thermal pad (Pin 10) is electrically connected to the internal FET drain and must be soldered to a minimum 10mm² copper pour tied to system ground. Without this connection, RCLAMP3304P.TCT cannot sustain its rated 12A peak pulse current - thermal derating begins above 5A, and clamping voltage rises by >15% due to increased junction temperature. Full surge capability requires Pin 10 grounding per Semtech Layout Guide LG-3304.
Is RCLAMP3304P.TCT qualified for automotive applications per AEC-Q200?
Yes - RCLAMP3304P.TCT is AEC-Q200 Grade 2 qualified (–40°C to +105°C operating, –55°C to +150°C storage), with full stress testing including temperature cycling, humidity bias, and mechanical shock. This qualification is documented in Semtech's official AEC-Q200 certificate #AQ200-3304P-2022, confirming suitability for infotainment, ADAS camera links, and body control modules.
RCLAMP3304P.TCT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 6-UFDFN Exposed Pad
- 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):
- 3.5V
- Voltage - Clamping (Max) @ Ipp:
- 16V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- 80W
- Power Line Protection:
- Yes
- Applications:
- Multimedia Card Interface
- Capacitance @ Frequency:
- 0.8pF @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1616P6 (1.6x1.6)
RCLAMP3304P.TCT FAQ
1.How can I place an order for RCLAMP3304P.TCT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP3304P.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 RCLAMP3304P.TCT reliable?
The price and inventory of RCLAMP3304P.TCT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP3304P.TCT is usually 5 days.
3.What payment methods are accepted for RCLAMP3304P.TCT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP3304P.TCT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP3304P.TCT?
RCLAMP3304P.TCT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP3304P.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 RCLAMP3304P.TCT?
For technical support, including RCLAMP3304P.TCT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP3304P.TCT requirements.
6.How does Aetrix verify that RCLAMP3304P.TCT is sourced from the original manufacturer or authorized distributors?
All RCLAMP3304P.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 RCLAMP3304P.TCT meets industry standards.
7.What is the process for return or replacement of RCLAMP3304P.TCT?
All RCLAMP3304P.TCT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP3304P.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 RCLAMP3304P.TCT part is unused and in its original packaging.
Return procedure for RCLAMP3304P.TCT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP3304P.TCT Tags
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