Sidac for Gas Igniter Circuit
Sidac devices are used as switch on device for Igniter Circuits. Operation Note: The resistor is usually chosen to achieve a spark interval of 100 â€“ 250 mili second.
For a voltage exceeding the Sidac breakover voltage point, the Sidac swathes on through a negative resistance region to a low on-state voltage. Conduction continues until the current is interrupted or drops below the minimum holding current of the device. K2400G is commonly used in this application.
K277 is new Sidac for high energy ignition systems which could replaces many GDTs.
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Application Warnings:Does not apply.