3M 40-Way IDC Connector Socket for Through Hole Mount, 2-Row

3M 5100 Series 2.54 x 2.54mm Polarized PCB Sockets. 5100 series 2.54 x 2.54mm polarized right angle PCB mount sockets with centre bump polarization. These 5100 series 2.54mm pitch PCB socket connectors mate with low profile shrouded headers and are used in boardstacking applications such as mother/daughter board and allow two PCBs to be mounted in tandem using a 90° socket and 90° header. Features and Benefits. Centerbump polarization Mates with standard low profile shrouded headers Optional keying plug. Accessories. A keying plug is available, see stock number ; 828-0437 828-0437. What are Board Mount Connectors used for?. Board mount connectors are a low-profile solution to PCB connectors, and are designed connect near the edge of the board. They have advantages in creating reliable device connection with practical space-saving. They are used in the manufacturing of many electronic devices. Why choose 3M?. 3M is a trusted name in connector and wiring solutions, providing high quality cables, connectors and accessories. From industrial computing to domestic applications, 3M provides the reliable and versatile product range you need.