17 ecs, inc. international 1105 s. ridgeview, olathe, ks 66062 ? 913-782-7787 ? 800-237-1041 ? fax 913-782-6991 ? www.ecsxtal.com smd crystals smd crystals 4.6 max. 3.7 max. #4 #1 (1.0) 0.8 0.8 #3 #2 12.5 max. 9.4 9.4 #3 #2 #4 #1 1.8 1.8 7.6 1.8 1.7 1.8 this wide frequency range smd quartz crystal is an excellent choice for surface mount applications. the ruggedized molded package is made from the same thermoplastic that is industry standard for integrated circuits. features ? low profile ? industry standard footprint ? high temperature seal capabilities ? excellent shock resistance ? excellent environmental characteristics ? tape and reel (1000 pcs) ECX-3S smd quartz crystal operating conditions/electrical characteristics figure 1) ECX-3S - top, side and end views figure 2) internal connections - top view figure 4) ECX-3S land pattern - bottom view parameters conditions minimum typical maximum units frequency range f o 3.57 70.00 mhz shunt capacitance c 0 7.0 pf load capacitance c l (customer specified) 12 20.0 standard series pf drive level 3.50 ~ 70.00mhz 50 100 w calibration tolerance @ 25?c -50 +50 ppm frequency stability ? f/f o -50 +50 ppm operating temperature range t opr -10 +70 ?c storage temperature range t stg -40 +85 ?c frequency range (mhz) mode max esr frequency range (mhz) mode max esr 3.570 ~ 3.999 fundamental 250 9.000 ~ 12.999 fundamental 60 4.000 ~ 4.999 fundamental 150 13.000 ~ 19.999 fundamental 40 5.000 ~ 5.999 fundamental 120 20.000 ~ 30.000 fundamental 30 6.000 ~ 6.999 fundamental 100 30.000 ~ 70.000 3rd o/t 100 7.000 ~ 8.999 fundamental 80 equivalent series resistance / mode of oscillation package dimensions (mm) part numbering guide example frequency (16.0000 mhz) load capacitance* package type ecs C 160 C 20 C 7s * load capacitance (xx=xx pf, s= series resonance) note: see product selection guide for additional options. + 30 - 30 - 10 25 60 f/f 0 ppm temp.(?c) figure 3) frequency vs temperature curve
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