Russia type, stud version thyristor 250A~320A, 200V~1800V. T161, T171 case, also have fast thyristor(TB), triac(TC), avalanche thyristor(TL)

Features High surge current capability Stud cathode and stud anode version Wide current range Inch device version available

Typical Applications Machine tool controls Battey charges Converters Motor controls Welder Phase control applications in converters Lighting circuits

Type IT(AV) VTM/ITM IT(RMS) VRRM IRRM IGT VGT

THS55'C 25'C

A V A A V mA mA V

SKT250 250 1.70 840 450 200-1800 ≤25 50-200 ≤2.5

SKT320 320 1.70 900 480 200-1800 ≤25 50-200 ≤2.5

Type IH IL dv/dt di/dt Rjc TJ Mounting power Outline

MA mA v/us A/us C'/W N/m

SKT250 ≤400 ≤600 ≥800 ≥100 ≤0.15 -40~+125'C ≤30 RST7

SKT320 ≤400 ≤600 ≥800 ≥100 ≤0.15 -40~+125'C ≤30 RST7