A connector-assembly comprising: a connector-housing configured to house a plurality of electrical-terminals, the connector-housing including a base and a cover, the base defining a terminal-cavity; a retainer having a first-side and a second-side, the retainer configured to retain the plurality of electrical-terminals within the connector-housing, the retainer disposed within the terminal-cavity; the retainer having a generally disc-shape defining a diameter that is perpendicular to a mating-axis of the connector-assembly; the retainer further defining a plurality of channels positioned proximate a perimeter of the retainer; the plurality of channels connecting the first-side to the second-side; the retainer further defining a plurality of apertures proximate the closed-ends, the plurality of apertures connecting the first-side to the second-side; a printed circuit board including a plurality of temperature-sensors configured to detect a temperature of each of the plurality of electrical-terminals; the plurality of temperature-sensors extending beyond a mounting-surface of the printed circuit board and disposed within the plurality of apertures; a plurality of heat-transfer-elements are configured to transfer heat from the plurality of electrical-terminals to the plurality of temperature-sensors, wherein each one of the plurality of heat-transfer-elements are interposed between and in direct contact with one of the plurality of electrical-terminals and one of the plurality of temperature-sensors; characterized in that the printed circuit board overlaying the first-side of the retainer and interposed between the retainer and the cover; the channels are U-shaped; the plurality of U-shaped channels define open-ends and closed-ends, the open-ends terminating at the perimeter; the retainer further defines a plurality of U-shaped cavities on the second-side, the plurality of U-shaped cavities coaxially located proximate the plurality of channels; the plurality of heat-transfer-elements are disposed within the plurality of U-shaped cavities. a connector-housing configured to house a plurality of electrical-terminals, the connector-housing including a base and a cover, the base defining a terminal-cavity; a retainer having a first-side and a second-side, the retainer configured to retain the plurality of electrical-terminals within the connector-housing, the retainer disposed within the terminal-cavity; the retainer having a generally disc-shape defining a diameter that is perpendicular to a mating-axis of the connector-assembly; the retainer further defining a plurality of channels positioned proximate a perimeter of the retainer; the plurality of channels connecting the first-side to the second-side; the retainer further defining a plurality of apertures proximate the closed-ends, the plurality of apertures connecting the first-side to the second-side; a printed circuit board including a plurality of temperature-sensors configured to detect a temperature of each of the plurality of electrical-terminals; the plurality of temperature-sensors extending beyond a mounting-surface of the printed circuit board and disposed within the plurality of apertures; a plurality of heat-transfer-elements are configured to transfer heat from the plurality of electrical-terminals to the plurality of temperature-sensors, wherein each one of the plurality of heat-transfer-elements are interposed between and in direct contact with one of the plurality of electrical-terminals and one of the plurality of temperature-sensors; characterized in that the printed circuit board overlaying the first-side of the retainer and interposed between the retainer and the cover; the channels are U-shaped; the plurality of U-shaped channels define open-ends and closed-ends, the open-ends terminating at the perimeter; the retainer further defines a plurality of U-shaped cavities on the second-side, the plurality of U-shaped cavities coaxially located proximate the plurality of channels; the plurality of heat-transfer-elements are disposed within the plurality of U-shaped cavities. the plurality of U-shaped channels define open-ends and closed-ends, the open-ends terminating at the perimeter; the retainer further defines a plurality of U-shaped cavities on the second-side, the plurality of U-shaped cavities coaxially located proximate the plurality of channels; the plurality of heat-transfer-elements are disposed within the plurality of U-shaped cavities.