9-146261-0 is a double row vertical breakaway header with solder tails from the AMPMODU .025 [0.64] Square Interconnection System. This 80-position header features a 0.100" [2.54mm] centerline pitch with dimensions A = 3.984" [101.19mm] and B = 3.900" [99.06mm]. The header has C = 0.090" [2.29mm], D = 0.230" [5.84mm], and E = 0.185" [4.70mm] dimensions with Plating A post plating option. Headers without retention tails may be broken to the desired number of positions using Tool Kit No. 314816-1. This RoHS compliant component is ideal for board-to-board interconnection applications requiring reliable vertical mounting configurations.