(2,00mm) .0787" qtt, qst series www.samtec.com qst?117?02?g?t qtt?117?04?g?5 for complete speci cations see www.samtec.com?qtt or www.samtec.com?qst insulator material: black liquid crystal polymer terminal material (qtt): phosphor bronze contact material (qst): phosphor bronze current rating: 3a @ 80? ambient operating temp range: -55? to +105? with tin; -55? to +125? with gold max processing temp: 230? for 60 seconds plating: sn or au over 50? (1,27?) ni insertion force (qst): 4oz (1,11n) avg withdrawal force (qst): 3oz (0,837n) avg impedance: 50 ?% @ 170mhz 50 ?0% @ 253mhz (system @ 50) rohs compliant: ye s ?t ?5 (0,50) .020 sq no. of positions x (2,00) .0787 + (0,25) .010 (no. of positions -1) x (2,00) .0787 (2,00) .0787 (1,00) .0394 05 250 01 246 (no. of rows -1) x (2,00) .0787 a (3,04) .120 (2,29) .090 (10,00) .394 (6,00) .236 no. of positions x (2,00) .07874 + (0,30) .012 (0,50) .020 sq (2,00) .07874 (10,00) .394 (6,00) .236 a b 01 246 05 250 lead style no. pins per row 1 10 thru 50 qtt plating option ?t = triple row (row 2 is ground plane) ?5 = five row (rows 2 and 4 are ground planes) row option specify lead style from chart ?g = 20" (0,51m) gold on contact area gold ? ash on tail ?s = 30" (0,76m) gold on contact area, tin on tail ?l = 10" (0,25m) gold on contact area, tin on tail ?f = gold ? ash on contact area, tin on tail a (7,00) .276 (9,00) .355 (11,00) .433 (13,00) .512 lead style ?01 ?02 ?03 ?04 lead style no. pins per row 1 10 thru 50 qst plating option row option specify lead style from chart ?g = 20" (0,51m) gold on contact area, gold ? ash on tail ?s = 30" (0,76m) gold on contact area, tin on tail ?l = 10" (0,25m) gold on contact area, tin on tail ?f = gold ? ash on contact area, tin on tail ?t = triple row (row 2 is ground plane) ?5 = five row (rows 2 and 4 are ground planes) a (16,21) .638 (12,70) .500 (16,51) .650 (19,30) .760 lead style ?01 ?02 ?03 ?04 b (5,39) .212 (3,18) .125 (2,29) .090 applications spacing qtt ?01 ?02 ?03 ?04 ?02 ?02 ?03 ?04 typical board spacing qst (19,71) .776 (21,72) .855 (27,51) 1.083 (32,31) 1.272 qst qtt spacing ?t ?5 note: some lengths, styles and options are non-standard, non-returnable. application specific option mix and match power plane and signal pin locations and size. call samtec for part number. 9a 27a 18a spec i fi ca tions f-211 supplement power plane terminal & socket
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