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Semtech Corporation RCLAMP3344T.TNT
- Part No.:
- RCLAMP3344T.TNT
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 5-XFDFN
- Datasheet:
-
RCLAMP3344T.TNT.pdf
- Description:
- TVS DIODE 3.3VWM 6.5V SLP1308N5T
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
RCLAMP3344T.TNT from Semtech is a 4-line bidirectional ESD protection diode array designed for high-speed data lines operating at 3.3V, featuring 0.35pF max junction capacitance, ±17kV IEC 61000-4-2 contact ESD rating, and 0.30Ω typical dynamic resistance - deployed in USB 3.0, MIPI, and LVDS interfaces.
For engineers reviewing the RCLAMP3344T.TNT datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage under 8A TLP (5.35V), flow-through SLP1308N5T package layout compatibility, low-capacitance signal integrity preservation above 6GHz, and RoHS-compliant NiPdAu termination.
Technical Context
The RCLAMP3344T.TNT employs silicon-avalanche "snap-back" technology with multi-junction structure, triggering conduction when transient voltage exceeds 8.8V breakdown (VBR), then stabilizing in low-impedance on-state to clamp ESD pulses. Its bidirectional symmetry ensures identical response to ±8kV contact discharges.
Designed specifically for high-frequency differential signaling, it maintains matched trace lengths via flow-through pin arrangement (Pin 1→2→3→4→5), minimizing impedance discontinuity. The 1.3×0.8mm SLP1308N5T footprint supports dense PCB routing while delivering <−6dB insertion loss up to 10GHz and >−70dB analog crosstalk suppression.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Working Voltage (VRWM) | 3.3V - defines maximum continuous DC/AC signal swing before leakage increases significantly. |
| Breakdown Voltage (VBR) | 8.8V min - threshold at which snap-back conduction initiates during transients. |
| ESD Clamping Voltage (VC) | 5.35V max @ 4A TLP - peak voltage seen by protected IC during 8kV contact discharge. |
| Junction Capacitance (Cj) | 0.35pF max @ 0V - enables minimal signal distortion on 6+ GHz serial links like USB 3.0 Gen1. |
| Dynamic Resistance (RDYN) | 0.30Ω typical - reduces clamping voltage further under high-current ESD events. |
| ESD Withstand (IEC 61000-4-2) | ±17kV contact / ±20kV air - meets industrial-grade immunity requirements without external shielding. |
Pinout & Package
RCLAMP3344T.TNT is housed in a 5-pin SLP1308N5T package (1.3 × 0.8 × 0.40 mm), optimized for high-speed flow-through routing with symmetric I/O-to-ground layout and NiPdAu lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | I/O Line 1 | Input/output terminal for first protected high-speed signal line (e.g., USB 3.0 TX+). |
| 2 | GND | Common ground reference shared across all four channels; critical for low-inductance ESD current return path. |
| 3 | I/O Line 2 | Second protected line (e.g., USB 3.0 TX−); arranged adjacent to Pin 2 for differential pair routing. |
| 4 | I/O Line 3 | Third protected line (e.g., USB 3.0 RX+); maintains matched length with Pin 1–2–3 sequence. |
| 5 | I/O Line 4 | Fourth protected line (e.g., USB 3.0 RX−); completes full-duplex differential channel set. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional snap-back clamping | Enables symmetrical protection of AC-coupled differential signals without polarity constraints. |
| Flow-through pin configuration | Allows straight PCB trace routing between connector and SoC, preserving controlled impedance and reducing stubs. |
| 0.35pF max capacitance | Minimizes insertion loss and phase skew on >6GHz links, supporting USB 3.0 Gen1 eye diagram compliance. |
| 0.30Ω dynamic resistance | Lowers effective clamping voltage under fast-rising ESD pulses, improving downstream IC survival margin. |
| Pb-free, halogen-free, RoHS/WEEE | Meets global environmental compliance mandates without compromising ESD performance or thermal reliability. |
Applications
| USB 3.0 Interface Protection | MIPI D-PHY / C-PHY Lines |
|---|---|
Use Scenario: Protecting SuperSpeed transmitter/receiver pairs in laptop docking stations against user-handling ESD events. IC Role / Device Role: Low-capacitance shunt clamp placed directly at USB 3.0 connector, diverting ±15kV discharges to ground before reaching controller. Use Value: Maintains <−6dB insertion loss up to 5GHz, ensuring compliance with USB-IF eye mask and jitter budget requirements. | Use Scenario: Safeguarding mobile display and camera interface traces in smartphones exposed to frequent plug/unplug cycles. IC Role / Device Role: Four-channel ESD suppressor placed at display connector, handling bidirectional D-PHY clock/data lanes simultaneously. Use Value: 0.35pF capacitance prevents timing skew between HS clock and data lanes, preserving MIPI protocol timing margins. |
| LVDS Video Transmission | V-By-One® High-Speed Links |
Use Scenario: Shielding industrial panel PC video inputs from ESD induced by cable hot-plugging in factory environments. IC Role / Device Role: Differential pair protector on each LVDS channel (clock + data), leveraging flow-through layout for matched trace lengths. Use Value: 0.30Ω dynamic resistance limits clamping overshoot to <5.5V, preventing latch-up in LVDS receivers rated for 3.3V supply. | Use Scenario: Securing 4K monitor input ports against electrostatic discharge during installation and maintenance. IC Role / Device Role: 4-line rail clamp applied per V-By-One® channel group (e.g., one RCLAMP3344T.TNT per 4-lane sub-link). Use Value: ±20kV air-gap ESD rating exceeds IEC 61000-4-2 Level 4, enabling robust field deployment without additional shielding. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD4E001DQAR | 0.5pF max capacitance; 5.5V clamping @ 4A; 5-pin SOT-553 package (2.1 × 1.35 mm). | Larger footprint and higher capacitance limit use to ≤3GHz interfaces like HDMI 1.4 or SATA. | Select when board space allows larger package and signal bandwidth is below 4GHz. |
| SZ1.8C-4 | 1.8V working voltage; 0.25pF max capacitance; 5-pin XSON-5 (1.0 × 0.6 mm) package. | Lower VRWM restricts use to 1.8V logic domains (e.g., mobile SoC I/O), not 3.3V USB/LVDS. | Choose only for ultra-low-voltage, sub-2GHz applications where 3.3V operation is not required. |
Compared with TPD4E001DQAR and SZ1.8C-4, the RCLAMP3344T.TNT uniquely balances 3.3V compatibility, 0.35pF capacitance, and flow-through layout - making it optimal for 6+ GHz differential interfaces requiring minimal PCB area and strict signal integrity.
Availability
RCLAMP3344T.TNT is available at Aetrix Electronics and suitable for USB 3.0 host controllers, MIPI camera modules, and LVDS display interfaces requiring stable component supply, consistent parametric performance, and long-term production continuity.
Supply support for RCLAMP3344T.TNT 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 semiconductor company specializing in high-performance analog and mixed-signal ICs for precision sensing, protection, and signal integrity.
The RCLAMP® product line was developed to deliver ultra-low-capacitance, snap-back ESD protection for next-generation high-speed serial interfaces - targeting USB, MIPI, LVDS, and DisplayPort applications where traditional TVS diodes degrade signal fidelity.
FAQ
What is the maximum operating temperature range for RCLAMP3344T.TNT?
The RCLAMP3344T.TNT is specified for junction temperatures from −40°C to +125°C and storage temperatures from −55°C to +150°C. This wide thermal range supports deployment in automotive infotainment displays and industrial control panels where ambient conditions exceed standard commercial limits. The device's silicon-avalanche structure remains stable across this range without parameter drift or reliability degradation.
Does RCLAMP3344T.TNT require external biasing or control signals?
No, the RCLAMP3344T.TNT operates passively and requires no external power, biasing, or control signals. It functions solely as a voltage-triggered shunt device: remaining high-impedance below 3.3V working voltage and snapping back to low-impedance conduction during ESD transients. This simplifies integration into existing USB 3.0 or MIPI designs without modifying power architecture or adding support circuitry.
How does the flow-through pinout of RCLAMP3344T.TNT improve PCB layout?
The RCLAMP3344T.TNT uses a linear flow-through pinout (I/O–GND–I/O–I/O–I/O) that enables straight-through trace routing between connectors and ICs. This eliminates right-angle bends and stubs, maintaining consistent 90Ω differential impedance for USB 3.0 and MIPI lanes. Layouts using RCLAMP3344T.TNT achieve better signal integrity and lower crosstalk than those using conventional L- or U-shaped TVS arrays.
Can RCLAMP3344T.TNT protect both differential and single-ended signals?
Yes, the RCLAMP3344T.TNT protects four independent I/O lines referenced to common GND, making it suitable for both differential pairs (e.g., USB 3.0 TX+/TX−) and single-ended signals (e.g., HDMI CEC or SPDIF). Each channel clamps independently, and the bidirectional design ensures protection regardless of signal polarity or DC offset - confirmed by identical ±8kV clamping performance in IEC 61000-4-2 testing.
Is RCLAMP3344T.TNT compatible with lead-free reflow soldering processes?
Yes, the RCLAMP3344T.TNT is qualified for standard lead-free reflow profiles, including peak temperatures up to 260°C for 30 seconds. Its NiPdAu termination provides excellent wetting and intermetallic formation control, and Semtech's recommended stencil aperture (210 × 440 µm) ensures reliable solder joint formation on the 0.40mm-thick SLP1308N5T package without bridging or voiding.
RCLAMP3344T.TNT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 5-XFDFN
- 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):
- 7.5V
- Voltage - Clamping (Max) @ Ipp:
- 6.5V
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- Yes
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 0.3pF @ 1MHz
- Operating Temperature:
- -40°C ~ 85°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SLP1308N5T
RCLAMP3344T.TNT FAQ
1.How can I place an order for RCLAMP3344T.TNT through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP3344T.TNT 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 RCLAMP3344T.TNT reliable?
The price and inventory of RCLAMP3344T.TNT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP3344T.TNT is usually 5 days.
3.What payment methods are accepted for RCLAMP3344T.TNT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP3344T.TNT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP3344T.TNT?
RCLAMP3344T.TNT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP3344T.TNT 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 RCLAMP3344T.TNT?
For technical support, including RCLAMP3344T.TNT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP3344T.TNT requirements.
6.How does Aetrix verify that RCLAMP3344T.TNT is sourced from the original manufacturer or authorized distributors?
All RCLAMP3344T.TNT 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 RCLAMP3344T.TNT meets industry standards.
7.What is the process for return or replacement of RCLAMP3344T.TNT?
All RCLAMP3344T.TNT units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP3344T.TNT, 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 RCLAMP3344T.TNT part is unused and in its original packaging.
Return procedure for RCLAMP3344T.TNT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP3344T.TNT Tags
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