Function: 16A Three-quadrant triacs high commutation. Igt (max): 50mA. Igt (Type): 50mA. Ih (max): 60mA. IT(RSM) (TC=85°C): 16A. It's M: 140A. Number of terminals: 3. RoHS: yes. Assembly/installation: PCB through-hole mounting. Tgt: 2us. Housing: TO-220. Housing (according to data sheet): TO-220AB ( SOT78 ). Operating temperature: -40...+125°C. VDRM: 800V. Spec info: ITSM--140Ap (t=20ms), ITSM--150Ap (t=16.7ms)