PRESS-FIT TERMINAL AND CONNECTOR DEVICE

A press-fit terminal includes a press-fit portion including two contact pieces facing each other with an eyehole interposed therebetween, where each of the two contact pieces includes a parallel portion, a front spring portion extending from the parallel portion in a direction in which the press-fit portion is inserted, and a rear spring portion extending from the parallel portion in a direction opposite to the direction in which the press-fit portion is inserted, the two parallel portions being parallel to each other, a thickness of the press-fit portion is 0.3 mm or more and 0.5 mm or less, when a length of the eyehole is Le [mm] and a length of the parallel portion is Ls [mm], Ls/Le is 0.57 or more and 0.65 or less, and when front spring strength is G1 [mm3] and rear spring strength is G2 [mm3], G1/G2 is 0.55 or more and 1.45 or less.