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Semtech Introduces New ESD Protection Platform Optimized for Ultra-High Speed Interfaces
First product in FemtoClamp™ platform announced; sub-200 Femtofarad, ultra-low capacitance protection device safeguards high-speed data ports, such as USB 3.0 and 3

Semtech Introduces New ESD Protection Platform Optimized for Ultra-High Speed Interfaces

First product in FemtoClamp™ platform announced; sub-200 Femtofarad, ultra-low capacitance protection device safeguards high-speed data ports, such as USB 3.0 and 3.1 and 10 G Ethernet, from electrostatic discharge (ESD) threats

Camarillo, California - November 3, 2016 -

Semtech Corporation(Nasdaq:SMTC), a leading supplier of analog and mixed-signal semiconductors, today unveiled the FemtoClamp™ product platform with the release of the RClamp® 0561Z. The FemtoClamp platform is a new family of sub-200 femtofarad, ultra-low capacitance transient voltage suppression (TVS) devices for safeguarding ultra-high speed data interfaces, including USB 3.0/3.1 and 10 Gigabit Ethernet, for use in forthcoming next-generation laptops, tablets and mobile devices.

Products in the FemtoClamp platform, designed using Semtech’s latest proprietary, ultra-low capacitance TVS process technology, deliver industry-leading ESD protection performance while achieving a low-capacitance threshold of less than 150fF. The innovative, small-scale integrated circuits (ICs) provide designers layout flexibility while ensuring superior signal integrity and protection performance for sensitive circuits.

“Semtech leads the market in low-capacitance protection products for ultra-high performance communications transceivers, like USB 3.0 and USB 3.1,” said Madhu Rayabhari, Vice President of Marketing for Semtech’s Protection Product Group. “Our new FemtoClamp product family reinforces our leadership in ultra-low capacitance protection solutions. The first announced product of this series, the RClamp0561Z, is an industry leading device that gives the design community an elevated level of ESD protection performance for safeguarding high-speed data buses.”

About RClamp0561Z

The single-line RClamp0561Z device delivers optimal transient protection, exceeding IEC 61000-4-2 (+/-15kV air and +/-8kV contact), that safeguards data lines from ESD, Cable Discharge (CDE) and Electrical Fast Transients (EFT). At the same time, the device presents an impressively low junction capacitance of 0.15pF max. These features make the RClamp0561Z ideal for safeguarding the emerging high-speed data interfaces, including USB 3.0, USB 3.1 and 10 Gigabit Ethernet.

Key Features of the RClamp0561Z

  • Transient protection for high-speed data lines to: IEC 61000-4-2 (ESD) ±15kV (air), ±12kV (contact); IEC 61000-4-4 (EFT) 40A (5/50ns); IEC 61000-4-5 (Lightning) 2.5A (8/20μs)
  • 5V working voltage protection
  • Robust surge capability: 2.5A (tp=8/20μs)
  • Protects 1 I/O line
  • Low capacitance (<0.15 pF max)
  • Ultra-small 0.62 x 0.32 x 0.3mm package
  • Pb-Free and RoHS/WEEE compliant

Pricing and Availability

The RClamp0561Z (order code: RClamp0561ZTCT) is available immediately in production quantities and is priced at $0.14 USD each in 10,000-piece lots. Semtech offers comprehensive design assistance, including field- and factory-based support. Datasheets, volume pricing and delivery quotes, as well as evaluation kits and samples, are available by contacting

About Semtech

Semtech Corporation is a leading supplier of analog and mixed-signal semiconductors for high-end consumer, enterprise computing, communications, and industrial equipment. Products are designed to benefit the engineering community as well as the global community. The Company is dedicated to reducing the impact it, and its products, have on the environment. Internal green programs seek to reduce waste through material and manufacturing control, use of green technology and designing for resource reduction. Publicly traded since 1967, Semtech is listed on the Nasdaq Global Select Market under the symbol SMTC. For more information, visit

Forward-Looking and Cautionary Statements

All statements contained herein that are not statements of historical fact, including statements that use the words “presents” or “ideal for”,” or other similar words or expressions, that describe Semtech Corporation’s or its management’s future plans, objectives or goals are “forward-looking statements” and are made pursuant to the Safe-Harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Such forward-looking statements involve known and unknown risks, uncertainties and other factors that could cause the actual results of Semtech Corporation to be materially different from the historical results and/or from any future results or outcomes expressed or implied by such forward-looking statements. Such factors are further addressed in Semtech Corporation’s annual and quarterly reports, and in other documents or reports, filed with the Securities and Exchange Commission ( including, without limitation, information under the captions “Management's Discussion and Analysis of Financial Condition and Results of Operations” and “Risk Factors.” Semtech Corporation assumes no obligation to update any forward-looking statements in order to reflect events or circumstances that may arise after the date of this release, except as required by law.

Semtech, the Semtech logo, FemtoClamp and RClamp are registered trademarks or service marks of Semtech Corporation and/or its affiliates. Third-party trademarks or service marks mentioned herein are the property of their respective owners.