Topics
- 2018-12-21 Updated Catalog "ESD Suppressor" (addition of Perfomance/Test Conditions)
- 2018-11-09 ESD Suppressor page has been updated.
- 2017-04-27 “ESD Suppressor, High withstanding type” has been posted.
- 2017-04-04 The design support tool " Characteristic Viewer" has been posted
- 2016-10-28 Registration certificates of quality and environment certifications (ISO, TS) are available for download
- 2016-07-24 "Cross reference" has been posted
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).
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Functions of ESD Suppressor
・Passing normal signal through to the protected element
・Protecting the element by flowing ESD current to GND -
V-I characteristics of ESD Suppressor
When ESD suppressor is applied to high voltage,
current flows with voltage drop.
【Appearance】
![ESD Suppressor Appearance](/content/data/CC/pictures/esd1.png)
【Construction】
![ESD Suppressor Construction](/content/data/CC/pictures/en_esd2.png)
Example of ESD suppression effect
ESD test condition: IEC61000-4-2(150pF-330ohm), contact discharge 8kV
![Example of ESD suppression effect1](/content/data/CC/pictures/en_esd5.png)
![Example of ESD suppression effect2](/content/data/CC/pictures/en_esd6.png)
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 )](/content/data/CC/pictures/esd7.png)
■single ESD Suppressor and single Common mode noise filter
![Transmission characteristics ( USB3.0 Mask test )](/content/data/CC/pictures/esd8.png)
■Common mode noise filters with ESD Suppressor (one chip)
![Transmission characteristics ( USB3.0 Mask test )](/content/data/CC/pictures/esd9.png)
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 )](/content/data/CC/pictures/en_esd10.png)
Unique technology realizing industry top level of ESD suppression characteristics
![Elemental technology of ESD suppressor](/content/data/CC/pictures/en_esd14.png)
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](/content/data/CC/pictures/en_esd15.png)
Application
① High-speed serial data line
![Application example of ESD Suppressor:High-speed serial data line](/content/data/CC/pictures/esd12.png)
② RF circuit (Antenna circuit)
![Application example of ESD Suppressor:RF circuit (Antenna circuit)](/content/data/CC/pictures/en_esd13.png)