The BTA208X-600B,127 is a NXP 8A, 600V, triac in a TO-220A3 package. It is designed for a wide range of industrial and commercial AC control applications such as heater, motor control, power tools, light dimming and transformers. Its rated power dissipation is 0.4 W, with a surge capability up to 10x its rating making it suitable for high energy switching. This 8A triac also has a low thermal resistance junction-case and a guaranteed high commutation ability to ensure reliable and long-term operation in AC power control applications.