RClamp®3374N TVS Diode

By Semtech 375

RClamp®3374N TVS Diode

Semtech's RailClamp® TVS diodes are specifically designed to protect sensitive components that are connected to high-speed data and transmission lines from over-voltage 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 RClamp3374N 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 (40 A, 8/20 µs) while maintaining a low loading capacitance of less than 5 pF. 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 RClamp3374N is constructed using Semtech’s proprietary EPD process technology. The EPD process provides low standoff voltages with significant reductions in leakage current and capacitance over silicon avalanche diode processes. It features a true operating voltage of 3.3 V for superior protection. The RClamp3374N is in a 10-pin SLP3020N10 package. It measures 3.0 mm x 2.0 mm x 0.60 mm. The leads are finished with lead-free NiPdAu.

Features
  • Array of surge rated diodes with internal TVS diode
  • Transient protection for high-speed data lines to
    • IEC 61000-4-2 (ESD) ±30 kV (air), ±30 kV (contact)
    • IEC 61000-4-4 (EFT) 40 A (5 / 50 ns)
    • IEC 61000-4-5 (lightning) 40 A (8/20 μs)
  • Qualified to AEC-Q100 grade 1 (-45ºC to +125ºC)
  • Protects up to eight lines
  • Low capacitance for high-speed interfaces
  • Low variation in capacitance vs. bias voltage
  • Low clamping voltage
  • Low operating voltage: 3.3 V
  • Solid-state silicon-avalanche technology
Applications
  • 10 / 100 / 1000 Ethernet
    • Automotive
    • Central office equipment
    • LVDS interfaces
    • MagJacks / integrated magnetics
    • Notebooks / desktops / servers

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