SYS11U03AMC - Ultra-Low Capacitance ESD/Surge Protection


  • Transient protection for high-speed data lines

IEC 61000-4-2(ESD) ±30kV (Air)

  ±30kV (Contact)

IEC 61000-4-5(Surge) 550W (8/20μs)

  • Low leakage current: 0.01μA @ VRWM (Typ.)
  • Working Voltages: 3.3V, 5V, 8V, 12V, 15V, 24V
  • Ultra Low Capacitance: 0.6pF (Typ.)
  • Low clamping voltage
  • Each I/O pin can withstand over 1000 ESD strikes for ±8kV contact discharge

Typical Application


SYS11U03AMC is an ultra-low capacitance ESD and Surge Protector designed to provide electrostatic discharge (ESD) protection for high-speed data interfaces. SYS11U03AMC is designed to protect parasitic-sensitive systems against over-voltage and over-current transient events. It complies with IEC 61000-4-2(ESD), (±30kV air, ±30kV contact discharge), IEC 61000-4-5(Surge) (550W, 8/20μs), etc.


SYS11U03AMC is in an SOD-323 package. The combined features of ultra-low capacitance and high ESD robustness make SYS11U03AMC ideal for applications where arrays are not practical. The low clamping voltage of the SYS11U03AMC guarantees a minimum stress on the protected IC.


  • Ethernet - 10/100/1000 Base T
  • Desktops, Servers and Notebooks
  • Cellular Phones
  • Portable Instruments
  • Analog Inputs
  • USB Interface

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