... , T242 case, also have fast thyristor (TB), triac (TC). Russia type, stud version thyristor 10A~25A, 200V~1600V. T212,T222,T232 ... chargesConvertersMotor controlsWelderPhase control applications in convertersLighting circuitsType IT(AV) VTM/ITM IT(RMS) VRRM IRRM IGT VGT THS55'C 25'C ... ~+125'C ≤2.0 RST2 thyristor stud version,SCR, Russia type 10-25A