light triggering when light is thrown
Light Triggering
When light is thrown on silicon the hole electron pair get excited an increases hence the leakage current of J2 increases which will increase IC1 and IC2 and α1 + α2 tends to unity on the SCR.
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ujt as a relaxation oscillator the ujt is a highly efficient switch it is used as trigger a device for scr no
i have got a rusted chassis of a cari wonder if you can estimate the remaining strength in a longitudial steel beam 6 cm wide x 12
forward voltage triggering if va is increased the collector to emitter voltages of both transistor are also increased hence the
temperature triggering at high temperature the leakage current of junction j2 increases this leakage current is collector current of tr1
light triggering when light is thrown on silicon the hole electron pair get excited an increases hence the leakage current of
thyristor terminology the followings terms are used in scr specificationslatching current the latching current is the value
holding current the holding current is the value of on state current required to maintain conduction once the
on state voltage drop it is the maximum instantaneous on state voltage measured under pulse conditions to
critical rate of rise of voltage it depends on the junction temperature higher the junction temperature lower the critical rate
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