williB New Member Jun 16, 2005 #2 footprint usually refers to the package size.. the package size of a 7805 is usually a TO-220 .. a TO-220 is a standard three terminal power transistor size ( with a tab)..
footprint usually refers to the package size.. the package size of a 7805 is usually a TO-220 .. a TO-220 is a standard three terminal power transistor size ( with a tab)..