254846-E is a receptacle board-to-board connector designed for Eurocard backplane applications with 64 signal positions arranged in 2 rows and 32 columns. The connector features a 2.54 mm (0.1 inch) centerline pitch and is mounted vertically on printed circuit boards using through-hole press-fit termination with 5.5 mm post and tail length. The housing is constructed from PBT GF30 material with copper alloy contacts, providing robust electrical connectivity and mechanical stability. Dimensions include a width of 11.6 mm, height of 8.1 mm, and length of 95 mm, with row-to-row spacing of 2.54 mm. Operating temperature range spans -55°C to +125°C, and the connector meets UL 94V-0 flammability rating and UL E84703 standards. This connector is ideal for industrial backplane systems, telecommunications equipment, and other applications requiring reliable high-density signal distribution in compact form factors.