csm-3x quartz crystal the csm-3x is the miniature low profile resistance weld type smd quartz crystal. reduces footprint of csm-7x (hc-49usx smd) by 50%. 1105 south ridgeview road z olathe, ks 66062 z phone: 913.782.7787 z fax: 913.782.6991 z www.ecsxtal.com parameters conditions csm-3x min typ frequency range (mhz) frequency range (mhz) mode of osc mode of osc max esr ? max esr ? max operating conditions / el ectrical characteristics equivalent series resist ance/mode of oscillation units fo c o specify in p/n standard @ +25c 3c at +25c standard -10 to +70c frequency range operating temperature storage temperature aging (first year) frequency tolerance frequency stability ref @+25 c shunt capacitance load capacitance (cl) drive level 12.000 10 mhz c c pf pf w ppm ppm ppm 12.000 ~ 15.999 16.000 ~ 29.999 30.000 ~ 40.000 40.000 30 50 7 series 100 -10 -40 +70 +85 5 fundamental fundamental fundamental 60 50 40 package dimensions (mm) figure 1) top, side, bottom and land pattern csm-3x csm-7x actual size * consult ecs for avail able temp range options figure 2) size comparison part numbering guide: example ecs-200-20-3x-tr custom options cost effective low profile pb free/rohs compliant ecs - frequency abbreviation - load capacitance - package tolerance stability temp range - packaging 3x = csm-3x -tr tape & reel 3k/reel a= 25 ppm c= 10 ppm d= 100 ppm e= 50 ppm g= 30 ppm h= 25 ppm *k= 10 ppm l= -10 ~ +70c m= -20 ~ +70c n= -40 ~ +85c 200 = 20.000 mhz see p/n guide 20 =20 pf s=series 20
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