18 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 11.35 max. 13.2 max. 10.3 max. 3.8 max. 4.8 max. 3.2 - 4.3 max. 0.75 0.05 marking 4.8 max. 0.63 0.12 4.4 11.4 0.1 connecting pin insulating base metal can 4.0 5.5 2.0 15.0 the csm-7x is an excellent choice for the smd version of the hc-49usx leaded crystal. the csm-7x has a case height of 4.3 mm maxi- mum in a resistance weld metal package. a package profile of 3.2 mm maximum is also available. features ? cost effective ? space saving design ? low profile ? tape & reel (1,000 pcs) ? pbfree/rohs compliant csm-7x smd quartz crystal package dimensions (mm) figure 1) csm-7x - top, side, bottom and end views figure 2) csm-7x land pattern - bottom view part numbering guide example manufacturer frequency (16.0000 mhz) load capacitance* package type** ecs C 160 C 20 C 5px * load capacitance (xx=xx pf, s= series resonance), ** package type examples (-5px= 4.3mm max. height, -5plx= 3.2mm max. height ) for extended temp range of -40 to +85?c ad -dn suffix for example ecs-160-20-5px-dn note: see product selection guide for additional options. operating conditions/electrical characteristics parameters conditions minimum typical maximum units frequency range f o 3.57 70.000 mhz frequency tolerance @ +25?c 30 ppm standard -10 +70?c 50 ppm frequency stability, ref @ 25?c dn option -40 +85?c 100 ppm standard -10 +70 ?c operating temperature dn option -40 +85 ?c storage temperature (t stg ) t stg -40 +105 ?c shunt capacitance (c 0 ) c 0 7.0 pf load capacitance (c l ) c l (customer specified) 10 20.0 standard series pf drive level 3.570 - 70.000 mhz 0.5 mw aging (first year) @ +25?c 5.0 ppm frequency range (mhz) mode max esr frequency range (mhz) mode max esr 3.570 ~ 4.999 fundamental 150 13.000 ~ 19.000 fundamental 40 5.000 ~ 5.999 fundamental 80 20.000 ~ 29.000 fundamental 30 6.000 ~ 6.999 fundamental 70 26.000 ~ 39.999 3rd o/t 100 7.000 ~ 8.999 fundamental 60 40.000 ~ 70.000 3rd o/t 80 9.000 ~ 12.999 fundamental 50 equivalent series resistance + 30 - 30 - 10 25 60 f/f 0 ppm temp.(?c) figure 3) frequency vs temperature curve height ?h? (max.) -5px 4.3 mm -5plx 3.2 mm
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