P/N: YZPST-BT139 Series 16A TRIACBT139B-800D Glass Passivation 16A Triac TO-263Description:High current density due to mesa technology;Glass Passivation.ApplicationsBT139 series triacs is suitable for general purpose AC switching.They can be used as an ON/OFF Function in applications suchas static relays,heating regulation,induction motor stating circuits...or for phase contol operation light dimmers,motor speed controllers.Features:Blocking voltage to 600 & 800VOn-state RMS current to 16ANon-repetitive peak on-state current to 140A