30 way receptacle style SMT connectors for XFP cages (see stock number 712-2542 typically). These 30 way XFP connectors have LCP housings, phosphor bronze gold plated contacts and are PCB double sided (belly to belly) mounting. XFP connector, stock number 680-9711, has 0.38 μm gold plated contacts XFP connector, stock number 717-4369, has 0.76 μm gold plated contacts which are enhanced for high speed signals