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Protection devices offer low capacitance for HDMI-enabled products

Posted: 16 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:RClamp0544M? protection device? ESD? electrostatic discharge? EFT?

RClamp0544M protection device

Semtech Corp. has launched the RClamp0544M, a four-line protection device with the low capacitance and high protection levels, for high-definition multimedia interface and digital visual interface enabled products.

The RClamp0544M is an array of transient voltage suppressor diodes that protects sensitive ICs by providing IEC-standard ESD, electrical fast transient (EFT) and cable discharge events (CDE) protection for up to four high-speed data lines and one power supply rail (VCC).

The RClamp0544M is part of Semtech's RailClamp family of low capacitance protection devices that are based on a proprietary process technology that delivers a capacitance of 0.3pF for zero signal attenuation on data lines operating at 2GHz or higher. The device provides ESD protection to IEC 61000-4-2 15kV (air) and 8kV (contact) and IEC 61000-4-5 (lightning) 5A (8/20s). It also meets EFT protection to IEC 61000-4-4 40A (5/50ns).

The device is housed in a 3-by-5mm MSOP-10L package that is RoHS/WEEE compliant. The package offers a 0.5mm pitch between the signal line pair, which allows the signal lines to be tightly coupled and results in good common mode noise rejection, said the company.

The RClamp0544M is priced at 52 cents each in quantities of 1,000. Order code is RClamp0544M.TBT.

- Gina Roos

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