SPSTN0; imput voltage range 3 to 15 vdc; current rating 5 amps; 7.5 watts max power dissipation at 25 degrees centigrade; aluminum, black anodized or tin plated cold rolled steel case with phenolic cover; 2.000 in. lg; 1.000 in. w; 0.900 in. h; four number 6 screw terminals; 0.150 in. diameter mounting hole located centrally