The D8864-42 is a 64-contact 2-row 1.778mm PC tail shrink dip IC Socket with gold plated contacts, 100% tin over nickel plated phosphor bronze termination, beryllium copper contact clip, brass shell and black UL94V-0 PCT housing. The D8864 series connector has 0.75-inch row spacing, vertical connector orientation and PC tail/through board connection type. It is suitable for use with ?0.5mm mating pin size.