ESD Suppressor (2023)

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ESD Suppressor (1)

ESD Suppressor (2)

(Video) How TVS Diodes work

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

    ESD Suppressor (3)

    (Video) ESD Protection Basics - TVS Diode Selection & Routing - Phil's Lab #75
  • V-I characteristics of ESD Suppressor

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

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【Appearance】

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【Construction】

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Example of ESD suppression effect

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

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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

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■single ESD Suppressor and single Common mode noise filter

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

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(Video) Basics of ESD and TVS protection

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))

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(Video) PolySurg Automotive ESD Suppressors

Unique technology realizing industry top level of ESD suppression characteristics

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①Gap electrode

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

②ESD suppression material

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

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Application

①High-speed serial data line

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②RF circuit (Antenna circuit)

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