The 2N1842AHR from Digitron Semiconductors is a Silicon Controlled Rectifier that is ideal for military and space applications. It has a break-over voltage of up to 25 V and a break-over current of less than 157 A. This rectifier has a gate trigger voltage of up to 3 V and a gate trigger current of less than 80 mA. It is available in a stud-mount package that measures 41.81 x 14.301 mm.