Primary Input Voltage 117VAC, Output Voltage 12VCT (-12_0_+12), 0.5A, 6VA, Solder Lug/Push-on Terminals, Class A Rated @ 105ºC Insulated, 1,000 Volt Hi-Pot Tested. 2.07" mounting hole center-center, physical size 1.37" x 1.69" (no tabs), Height 1.41".