ESD Suppressor

ESD Suppressor

Photo:ESD Suppressor
  • It is low capacitance less than 0.3pF, therefore most suitable for ESD measures of the super-high-speed signal.
  • Good ESD withstand.(Contact/air Discharge 15kV)
  • Single type 0201,0402,0603 & Array type 0805 Line-up.

Topics

What is the ESD suppressor?

ESD Suppressor is ESD protection device using gap discharge.

  • ESD suppressor protects Electric devices from ESD by utilizing the ability to decrease its resistance value rapidly when high voltage is applied to ESD Suppressor.
  • ESD Suppressor contributes to ensure the signal quality of High-speed serial data line and high frequency circuit in normal use (not applied high voltage).
  • Functions of ESD Suppressor

    ・Passing normal signal through to the protected element
    ・Protecting the element by flowing ESD current to GND

    Functions of ESD Suppressor
  • V-I characteristics of ESD Suppressor

    When ESD suppressor is applied to high voltage,
    current flows with voltage drop.

    V-I characteristics of ESD Suppressor

【Appearance】

ESD Suppressor Appearance

【Construction】

ESD Suppressor Construction

Example of ESD suppression effect

ESD test condition: IEC61000-4-2(150pF-330ohm), contact discharge 8kV

Example of ESD suppression effect1
Example of ESD suppression effect2

Features

Transmission characteristics ( USB3.0 Mask test )

ESD suppressor does not degrade Insertion loss of High-frequency circuit due to extremely low capacitance (below 0.05pF(0603,1005 size))

■single common mode noise filter

RX Eye

Transmission characteristics ( USB3.0 Mask test )

■single ESD Suppressor and single Common mode noise filter

Transmission characteristics ( USB3.0 Mask test )

■Common mode noise filters with ESD Suppressor (one chip)

Transmission characteristics ( USB3.0 Mask test )

Insertion loss ( S21 )

ESD suppressor does not affect signal quality of High-speed data line due to extremely low capacitance (below 0.05pF(0603,1005 size))

Insertion loss ( S21 )

Unique technology realizing industry top level of ESD suppression characteristics

Elemental technology of ESD suppressor

① Gap electrode

narrower gap (about 6micron) than competitor by uniquely developed process technology contributes
・Lower Peak voltage
・Working at lower voltage

② ESD suppression material

uniquely developed material (conductive particle- resin composite) contributes
・Lower Peak voltage
・Working at lower voltage
・Secure high insulation reliability after ESD discharging

ESD suppression material

Application

① High-speed serial data line

Application example of ESD Suppressor:High-speed serial data line

② RF circuit (Antenna circuit)

Application example of ESD Suppressor:RF circuit (Antenna circuit)

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