The 2N6071BTG is a bidirectional thyristor (also known as a Silicon-controlled rectifier, or SCR) produced by Littelfuse. It is available in a TO220AC package and is rated for 30A continuous and 50A surge current. It has a voltage blocking ability of 800V, a gate trigger current of 7mA, a on-state voltage of 1.8V at 30A, and a reverse recovery time of 50ns. It is suitable for a range of automotive, industrial, and consumer applications, including motor control, solid-state switching, and power management.