A rectifier assembly (100; 800; 1100), comprising: a cover (802; 1102) comprising a flange (810; 1110) having an annular shoulder (812; 1112) extending around an outer circumference of the flange (810; 1110); an annular bus bar (804; 1104) comprising an electrically conductive material; an insulator ring (806; 1106) receiving the annular bus bar (804; 1104), the insulator ring (806; 1106) defining radially-extending resistor pockets and diode pockets therein; resistors (839, 840, 841; 1139) disposed in the resistor pockets and electrically connected with the annular bus bar; diodes (836, 837, 838; 1136, 1138) disposed in the diode pockets and electrically connected with the annular bus bar (804; 1104); an outer housing (808; 1108) receiving the annular bus bar (804; 1104) and the insulator ring (806; 1106), such that the insulator ring (806; 1106) is positioned radially between the annular bus bar (804; 1104) and the outer housing (808; 1108), the outer housing (808; 1108) further comprising a snap ring retention channel (854; 1154) that extends around an inner circumference of the outer housing (808; 1108); and a snap ring (801; 1101) positioned on the annular shoulder (812; 1112) of the outer circumference of the flange (810; 1110), wherein an outer circumference of the snap ring (801; 1101) is located within the snap ring retention channel (854; 1154) to retain the cover (802; 1102), the annular bus bar (804; 1104), and the insulator ring (806; 1106) within the outer housing (808; 1108), and further comprising leaf springs (824; 1124) disposed between and electrically connecting at least some of the resistors (839, 840, 841; 1139), at least some of the diodes (836, 837, 838; 1136, 1138), or both with the annular bus bar (804; 1104), and wherein the annular bus bar (804; 1104) including one or more pairs of axial grooves shaped to receive first and second ends (906, 908; 1210, 1212) of one of the leaf springs (824; 1124). a cover (802; 1102) comprising a flange (810; 1110) having an annular shoulder (812; 1112) extending around an outer circumference of the flange (810; 1110); an annular bus bar (804; 1104) comprising an electrically conductive material; an insulator ring (806; 1106) receiving the annular bus bar (804; 1104), the insulator ring (806; 1106) defining radially-extending resistor pockets and diode pockets therein; resistors (839, 840, 841; 1139) disposed in the resistor pockets and electrically connected with the annular bus bar; diodes (836, 837, 838; 1136, 1138) disposed in the diode pockets and electrically connected with the annular bus bar (804; 1104); an outer housing (808; 1108) receiving the annular bus bar (804; 1104) and the insulator ring (806; 1106), such that the insulator ring (806; 1106) is positioned radially between the annular bus bar (804; 1104) and the outer housing (808; 1108), the outer housing (808; 1108) further comprising a snap ring retention channel (854; 1154) that extends around an inner circumference of the outer housing (808; 1108); and a snap ring (801; 1101) positioned on the annular shoulder (812; 1112) of the outer circumference of the flange (810; 1110), wherein an outer circumference of the snap ring (801; 1101) is located within the snap ring retention channel (854; 1154) to retain the cover (802; 1102), the annular bus bar (804; 1104), and the insulator ring (806; 1106) within the outer housing (808; 1108), and further comprising leaf springs (824; 1124) disposed between and electrically connecting at least some of the resistors (839, 840, 841; 1139), at least some of the diodes (836, 837, 838; 1136, 1138), or both with the annular bus bar (804; 1104), and wherein the annular bus bar (804; 1104) including one or more pairs of axial grooves shaped to receive first and second ends (906, 908; 1210, 1212) of one of the leaf springs (824; 1124).