RailClamp® TVS diodes are specifically designed to
protect sensitive components which are connected to
high-speed data and transmission lines from overvoltage caused by ESD (electrostatic discharge), CDE
(cable discharge events), and EFT (electrical fast
transients).
The unique design incorporates surge rated, low
capacitance steering diodes and a TVS diode in a
single package. The RClamp®2574N is designed to
replace up to two components for board level GbE
protection. Each device is designed to protect two line
pairs. This is accomplished by routing traces through
the device. When connected in this fashion, the device
can withstand a high level of surge current (40A, 8/
20us) while maintaining a low loading capacitance of
less than 5pF. The high surge capability means it can
be used in high threat environments in applications
such as Gigabit Ethernet, telecommunication lines, and
LVDS interfaces.
The RClamp®2574N is constructed using Semtech’s
proprietary EPD process technology. The EPD process
provides low stand-off voltages with significant reductions in leakage current and capacitance over siliconavalanche diode processes. It features a true operating voltage of 2.5 volts for superior protection.
The RClamp2574N is in a 10-pin SLP3020N10 package. It measures 3.0 x 2.0 x 0.60mm. The leads are
finished with lead-free NiPdAu.

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