A connector housing (40, 50, 60) for a circuit board (11, 21), comprising: a connector body configured to receive the circuit board; and a relaxation mechanism mechanically coupled to the connector body, the relaxation mechanism configured to relax stress on the connector housing and comprises: a latch (28, 29) configured to retain the circuit board in the connector body, the latch being mechanically coupled to the connector body with a structure that allows translation of the latch under a load which exceeds the load threshold, wherein the structure comprises at least one groove (44, 46, 54, 56, 64, 66) disposed in one end of the connector body, and the groove is configured to allow translation of the latch relative to the connector body under the load which exceeds the load threshold; and wherein the at least one groove comprises: a first pivot point configured to retain the circuit board fully seated in the connector when a load on the latch is less than or equal to the load threshold; characterized in that the at least one groove (44, 46, 54, 56, 64, 66) further comprises: a second pivot point configured to retain the circuit board partially seated in the connector body when the load on the latch exceeds the load threshold; and a spring configured to allow the translation of the latch from the first pivot point to the second pivot point only when the load on the latch exceeds the load threshold, in which the spring is a spring mechanism formed by the at least one groove (44, 46, 54, 56, 64, 66) being a hourglass shaped (44, 46), curve shaped (55, 56) or barbell shaped (64, 66) groove arranged with a constriction between the respective pivot points located at the respective ends of the groove. a connector body configured to receive the circuit board; and a relaxation mechanism mechanically coupled to the connector body, the relaxation mechanism configured to relax stress on the connector housing and comprises: a latch (28, 29) configured to retain the circuit board in the connector body, the latch being mechanically coupled to the connector body with a structure that allows translation of the latch under a load which exceeds the load threshold, wherein the structure comprises at least one groove (44, 46, 54, 56, 64, 66) disposed in one end of the connector body, and the groove is configured to allow translation of the latch relative to the connector body under the load which exceeds the load threshold; and wherein the at least one groove comprises: a first pivot point configured to retain the circuit board fully seated in the connector when a load on the latch is less than or equal to the load threshold; a latch (28, 29) configured to retain the circuit board in the connector body, the latch being mechanically coupled to the connector body with a structure that allows translation of the latch under a load which exceeds the load threshold, wherein the structure comprises at least one groove (44, 46, 54, 56, 64, 66) disposed in one end of the connector body, and the groove is configured to allow translation of the latch relative to the connector body under the load which exceeds the load threshold; and wherein the at least one groove comprises: a first pivot point configured to retain the circuit board fully seated in the connector when a load on the latch is less than or equal to the load threshold; a second pivot point configured to retain the circuit board partially seated in the connector body when the load on the latch exceeds the load threshold; and a spring configured to allow the translation of the latch from the first pivot point to the second pivot point only when the load on the latch exceeds the load threshold, in which the spring is a spring mechanism formed by the at least one groove (44, 46, 54, 56, 64, 66) being a hourglass shaped (44, 46), curve shaped (55, 56) or barbell shaped (64, 66) groove arranged with a constriction between the respective pivot points located at the respective ends of the groove.