Urrm 600V, Itrms 25A, Tc 75C, Itsm 250A, Igt 50mA, TO-220 Technical data: - Type: Triac - Housing: TO-220AB - Max. Peak Recurrent Reverse Voltage (Urrm): 600 V - Max. RMS Forward Current (Itrms): 25 A - Case Temperature (Tc): 75 °C - Peak Forward Surge Current (Itsm): 250 A - Max. Gate trigger current (Igt): 50 mA - manufacturer: ST MICROELECTRONICS - manufacturer item number: BTA24-600BWRG