HARWIN Straight Through Hole Mount PCB Socket, 40-Contact, 2-Row, 2.54mm Pitch, Solder Termination

M20 series PCB through hole mounting industry standard sockets with a 2.54mm pitch designed for use in board to board applications. With a high quality, compact design these M20 series connectors meet the design requirements for increased PCB density and height restrictions. The housings of these M20 sockets are made from UL94V-0 high temperature Liquid Crystal Polymer and withstand the same reflow soldering processes as SMT versions. Highly durable dual beam contacts offer an improved electrical connection and increase the overall connector reliability.
These M20 PCB socket connectors are available in single and double row configurations and various contact numbers

Compact design
High temperature thermoplastic housings
Highly reliable dual beam contacts
Up to 300 mating operations
Current rating of up to 2A per contact

These M20 series PCB sockets are suitable for use in a wide range of applications and established as standard connectors on embedded PCs, motherboards and large electronic systems. Applications include consumer electronics, communications, drives and controls, industrial monitoring and personal computing

Stock number 681-6860 has a dual (top and bottom entry) configuration with 5.08mm tail spacing.