Igt (max): 0.5mA. Igt (Type): 0.015mA. Ih (max): 6mA. Ih (Type): 0.19mA. IT(AV): 2.55A. IT(RSM) (TC=85°C): 4A. It's M: 20A. Number of terminals: 3. RoHS: yes. Assembly/installation: PCB through-hole mounting. Housing (according to data sheet): TO-225AA. Operating temperature: -40...+110°C. VDRM: 600V. Function: Sine Wave, 50–60Hz. Spec info: Sensitive Gate, Silicon Controlled Rectifier. Housing: TO-126 (TO-225, SOT-32)