Premier Farnell
ribbon cable, 20way, 2"; pitch:2.54mm; cores, no. of:20; wire size, awg:24awg; approval bodies:ul approved; colour:grey; conductor make-up:1/24awg; current rating:3a; impedance:107ohm; pcb hole diameter:1mm; primary insulation material:nomex; temp, op. max:+125°c; voltage rating, ac:300v; ways, no. of:20; width, external:49.5mm
http://grh.premierfarnell.com/grh.aspx?mid=1001068&sku=FSN-2... Newark
ribbon cable, 20way, 2"; pitch:2.54mm; cores, no. of:20; wire size, awg:24awg; approval bodies:ul approved; colour:grey; conductor make-up:1/24awg; current rating:3a; impedance:107ohm; material, primary insulation:nomex; pcb hole ;rohs compliant: yes
http://www.newark.com/jsp/search/productdetail.jsp?SKU=31M50... 
