3silicon bidirectional diacs, all-diffused, three layer, two axial lead terminal device, plastic package, minus 40 to 100 degrees c temp range, 25 to 40 volts, 0.104 to 0.140 in. Dia, 0.230 to 0.300 body lgth, 1.000 in. Min lead lgth, 0.027 to 0.035 lead dia