The XF2U-0415-3A is a 4-way 2-row 0.5mm pitch Dual contact Rotary Backlock Connector with gold-plated copper alloy contacts, LCP resin housing and LCP resin slider. This connector is ultra-slim with 3.5mm depth featuring rotary backlock mechanism with 3.5mm depth and 0.9mm low profile. Wide moulding wall on the rear bottom of the connector allows greater freedom in board design.