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Semtech Corporation RCLAMP01511ZC.F
- Part No.:
- RCLAMP01511ZC.F
- Manufacturer:
- Semtech Corporation
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
RCLAMP01511ZC.F.pdf
- Description:
- 1-LINE 1.5V 0.2PF 2.5A SLP0603P2
- Quantity:
- Payment:
- Shipping:
Inventory:16,350
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Product details
Overview
RClamp01511ZC.F from Semtech is a 2-pin ultra-low-capacitance ESD protection diode designed for single high-speed differential data lines, with 0.2 pF max capacitance, 1.5 V working voltage, and ±10 kV IEC 61000-4-2 contact ESD withstand-used in Thunderbolt 3, USB4, and USB3.2 Gen 2x2 interfaces.
For engineers reviewing the RClamp01511ZC.F datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage under 4.8 V at 4 A TLP, dynamic resistance of 0.42 Ω, insertion loss ≤0.25 dB at 10 GHz, and DFN 0.60×0.30 mm package compatibility with high-density PCB layouts.
Technical Context
RClamp01511ZC.F employs silicon-avalanche TVS technology optimized for signal integrity on >10 Gbps serial links. It operates with reverse stand-off voltage of 1.5 V and breakdown voltage of 1.8–3.1 V, enabling protection without DC loading of low-voltage differential signaling (LVDS) paths.
The device delivers sub-5 V clamping under both 2.5 A combination-wave and 4 A TLP stress, with dynamic resistance measured across 4–16 A TLP pulses. Its symmetrical bidirectional structure supports AC-coupled differential pairs without polarity constraints.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Capacitance | 0.17–0.2 pF at 0 V, 1 MHz - preserves signal integrity up to 10 GHz with <0.25 dB insertion loss. |
| Clamping Voltage | 4.8 V at 4 A TLP - limits transient overvoltage below IC I/O absolute maximum ratings. |
| ESD Withstand | ±10 kV contact per IEC 61000-4-2 - meets system-level ESD immunity requirements for USB/Thunderbolt connectors. |
| Working Voltage | 1.5 V - matches nominal common-mode voltage of USB3.2/USB4/TB3 differential receivers and transmitters. |
| Leakage Current | ≤100 nA at 1.5 V - avoids DC bias shift or power loss in low-current high-impedance receiver inputs. |
| Dynamic Resistance | 0.42 Ω - ensures fast, predictable clamping response with minimal voltage overshoot during fast transients. |
Pinout & Package
Package: DFN 0.60 × 0.30 × 0.25 mm, 2-lead, Pb-free, RoHS-compliant, tape-and-reel (15,000 pcs/reel). Electrically symmetrical-no anode/cathode orientation required.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode or Cathode (symmetrical) | Connects to one side of differential pair (e.g., TX+ or RX−); bidirectional conduction enables placement on either line without polarity check. |
| Pin 2 | Anode or Cathode (symmetrical) | Connects to opposite side of same differential pair (e.g., TX− or RX+); forms low-capacitance shunt path to ground during ESD events. |
Key Features
| Feature | Design Value |
|---|---|
| FemtoFarad capacitance | 0.2 pF max - eliminates measurable signal distortion on 20 Gbps differential lanes (USB4/TB3). |
| Low clamping + low RDYN | 4.8 V clamping at 4 A TLP with 0.42 Ω dynamic resistance - minimizes peak voltage overshoot during nanosecond transients. |
| 1.5 V operating voltage | Matches USB3.2/USB4/TB3 common-mode range - prevents false triggering or leakage-induced offset in LVDS receivers. |
| DFN 0.60×0.30 mm footprint | Enables placement adjacent to Type-C connector pads - reduces stub length and maintains impedance continuity. |
Applications
| Thunderbolt 3 Line Protection | USB4 Differential Pair Protection |
|---|---|
Use Scenario: Protecting HSTXP/HSTXN and HSRXP/HSRXN lanes in host or device-side Thunderbolt 3 controllers. IC Role / Device Role / Timing Role: Bidirectional ESD shunt placed on transceiver side of AC coupling capacitors to clamp common-mode surges during alternate-mode DisplayPort/HDMI handshaking. Use Value: Maintains <0.25 dB insertion loss at 10 GHz while clamping ±10 kV ESD to <4.8 V-preserving eye diagram integrity and link training reliability. | Use Scenario: Shielding SSTX+/SSTX− and SSRX+/SSRX− lanes in USB4-certified hubs, docks, or endpoints. IC Role / Device Role / Timing Role: Low-capacitance TVS deployed on connector side of TX AC coupling and transceiver side of RX AC coupling to block ESD without affecting 20 Gbps NRZ signaling. Use Value: Enables full USB4 Gen 2×2 compliance with zero impact on jitter budget or return loss due to 0.2 pF capacitance and symmetrical layout. |
| USB3.2 Gen 2x2 SuperSpeed+ | DisplayPort 1.4a Lane Protection |
Use Scenario: Securing dual-lane USB3.2 Gen 2x2 (20 Gbps aggregate) in portable SSD enclosures and docking stations. IC Role / Device Role / Timing Role: One RClamp01511ZC.F per lane (TX+/TX−/RX+/RX−), placed per USB-IF layout guidelines to suppress connector ESD before signal conditioning ICs. Use Value: Delivers ±10 kV contact ESD protection without degrading 8.0 GT/s equalization headroom-verified via S-parameter simulation up to 10 GHz. | Use Scenario: Protecting DP0P/DP0N and DP1P/DP1N lanes in laptops, monitors, and MST hubs supporting DisplayPort 1.4a HBR3 (8.1 Gbps). IC Role / Device Role / Timing Role: Placed on transceiver side of AC coupling caps to limit common-mode surge voltage while preserving 100 Ω differential impedance. Use Value: Prevents ESD-induced pixel corruption or link dropouts by clamping transients to <4.8 V with <0.1 pF added parasitic capacitance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SP1003-01UTG | 0.35 pF max capacitance; 12 kV contact ESD rating; 3.3 V working voltage | Higher capacitance limits use to ≤5 Gbps links (e.g., USB3.0); unsuitable for USB4/TB3 20 Gbps lanes | Select only if system operates at ≤3.3 V common-mode and bandwidth ≤5 GHz; verify insertion loss at target frequency. |
| ESD56201D05 | 0.25 pF max capacitance; 15 kV air ESD; 5 V working voltage; 2-pin DFN 0.65×0.35 mm | Higher working voltage increases leakage risk on 1.5 V rails; larger footprint may impact routing density near Type-C ports | Preferable only when 5 V tolerance is required and board space allows 0.05 mm larger pad pitch; not recommended for USB4/TB3. |
Compared with SP1003-01UTG and ESD56201D05, RClamp01511ZC.F uniquely balances 0.2 pF capacitance, 1.5 V operation, and ±10 kV ESD rating-making it the only option validated for 20 Gbps differential signaling in USB4 and Thunderbolt 3 implementations.
Availability
RClamp01511ZC.F is available at Aetrix Electronics and suitable for Thunderbolt 3 interface design, USB4 endpoint development, and DisplayPort 1.4a display subsystems requiring stable component supply and guaranteed long-term sourcing.
Supply support for RClamp01511ZC.F 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.
RClamp01511ZC.F belongs to Semtech's RailClamp® family-engineered specifically for ultra-high-speed serial interface protection where sub-0.3 pF capacitance and nanosecond response are mandatory.
FAQ
What is the maximum operating temperature range for RClamp01511ZC.F?
RClamp01511ZC.F is rated for continuous operation from −40 °C to +85 °C, matching industrial-grade thermal requirements for laptop, dock, and peripheral designs. Storage temperature extends to −55 °C to +150 °C. This range is validated per Semtech's Rev 2.0 datasheet and aligns with JEDEC J-STD-020 reflow profiles used in standard SMT assembly.
Does RClamp01511ZC.F require orientation during PCB placement?
No-RClamp01511ZC.F is electrically symmetrical, with identical performance whether Pin 1 connects to TX+ or TX−. The datasheet explicitly states "Device is electrically symmetrical," eliminating polarity verification during pick-and-place. This simplifies layout and reduces assembly error risk in high-density USB-C and Thunderbolt 3 routing.
How does RClamp01511ZC.F achieve 0.2 pF capacitance while maintaining ±10 kV ESD robustness?
RClamp01511ZC.F achieves this through optimized silicon-avalanche junction geometry and ultra-thin dielectric layers in its DFN package-enabling low parasitic capacitance without sacrificing breakdown strength. Measured junction capacitance is 0.17–0.2 pF at 0 V, 1 MHz, verified via TLP and impedance analyzer testing per the Rev 2.0 datasheet.
Can RClamp01511ZC.F be used on both transmitter and receiver sides of AC coupling capacitors?
Yes-Semtech's application notes confirm placement on either side depending on signal topology: connector side for TX lines (to block incoming ESD), transceiver side for RX lines (to clamp common-mode surges during alternate modes). Figure 2–4 in the Rev 2.0 datasheet validate both configurations for Thunderbolt 3, USB4, and DisplayPort 1.4a.
What is the peak pulse current rating for RClamp01511ZC.F?
RClamp01511ZC.F has a peak pulse current rating of 2.5 A under 8/20 µs waveform conditions, as specified in the Absolute Maximum Ratings table of the Rev 2.0 datasheet. This rating supports transient suppression for IEC 61000-4-5 surge events when used in conjunction with upstream current-limiting elements in system-level protection schemes.
RCLAMP01511ZC.F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Semtech Corporation
- Package/Case:
- 0201 (0603 Metric)
- Series:
- RailClamp®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 1.5V
- Voltage - Breakdown (Min):
- -
- Voltage - Clamping (Max) @ Ipp:
- -
- Current - Peak Pulse (10/1000µs):
- -
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- USB
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-DFN (0.6x0.3)
RCLAMP01511ZC.F FAQ
1.How can I place an order for RCLAMP01511ZC.F through Aetrix?
Please submit a Request for Quotation (RFQ) for RCLAMP01511ZC.F 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 RCLAMP01511ZC.F reliable?
The price and inventory of RCLAMP01511ZC.F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RCLAMP01511ZC.F is usually 5 days.
3.What payment methods are accepted for RCLAMP01511ZC.F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RCLAMP01511ZC.F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RCLAMP01511ZC.F?
RCLAMP01511ZC.F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RCLAMP01511ZC.F 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 RCLAMP01511ZC.F?
For technical support, including RCLAMP01511ZC.F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RCLAMP01511ZC.F requirements.
6.How does Aetrix verify that RCLAMP01511ZC.F is sourced from the original manufacturer or authorized distributors?
All RCLAMP01511ZC.F 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 RCLAMP01511ZC.F meets industry standards.
7.What is the process for return or replacement of RCLAMP01511ZC.F?
All RCLAMP01511ZC.F units undergo pre-shipment inspection (PSI). If there is an issue with RCLAMP01511ZC.F, 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 RCLAMP01511ZC.F part is unused and in its original packaging.
Return procedure for RCLAMP01511ZC.F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RCLAMP01511ZC.F Tags
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