Trisil™
ICs belong to the category of crowbar protection
devices. They are a combination of various TVS crowbar diodes.
In normal operating conditions Trisils are high impedance
devices and when a surge occurs the device is triggered
and becomes a short circuit to divert the surge.
By operating in short circuit mode, Trisil ICs combine high
surge capabilities, more complex topologies than TVS crowbar
diode and small package size thanks to Planar technology...
They are used to protect circuits against electrical over
stress (EOS) from telecommunication surge standards such
as ITU-T K20/21, GR1089-Core, YDT695…
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