STUD THYRISTOR 1. IR type, Semikron type 2.10A~25A, 200V~1600V 3. also have fast thyristor, triac 4.CE Rohs CQC STS ISO9001 International Rectifier(IR) type, stud version thyristor 10A~25A, 200V~1600V. TO-48 case, also have fast thyristor, triac.FeaturesHigh surge current capabilityStud cathode and stud anode versionWide current rangeInch device version availableTypical ApplicationsMachine tool ...