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Semtech RClamp3321P

Semtech RClamp3321P

Ultra-Low Capacitance 1-Line, 3.3V ESD protection

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The RClamp®3321P provides ESD protection for USB3.0, HDMI1.3/1.4, and other high-speed ports. It may be used to meet the ESD immunity requirements of IEC 61000-4-2. The RClamp3321P is designed to minimize both the ESD peak clamping and the TLP clamping.


  • Transient protection for data lines to
    • IEC 61000-4-2 (ESD) ±17kV (air), ±12kV (contact)
    • IEC 61000-4-4 (EFT) 40A (tp = 5/50ns)
    • Cable Discharge Event (CDE)
  • Ultra-small package (1.0 x 0.6 x 0.5mm)
  • Protects one data or I/O line
  • Low capacitance: 0.35pF
  • Dynamic Resistance: 0.47 Ohms Typical
  • Low ESD clamping voltage
  • Operating voltage: 3.3V
  • Solid-state silicon-avalanche technology


  • USB 3.0
  • HDMI 1.3/1.4
  • V-By-One
  • Display Port
  • MHL / MDDI
  • LVDS Interfaces
  • eSATA Interfaces


  • SLP1006P2

Order Codes

  • RClamp3321P.TNT - Pb-Free, Halogen Free, RoHS/WEEE Compliant
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