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 the csm-7 is an excellent choice for the smd version of the hc-49us leaded crystal. the csm-7 has a case height of 4.3 mm maximum 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) csm-7 smd quartz crystal package dimensions (mm) figure 1) csm-7 - top, side, bottom and end views figure 2) csm-7 land pattern - bottom view part numbering guide ?xample? frequency (16.0000 mhz) load capacitance* package type** ecs 160 20 5p * load capacitance (xx=xx pf, s= series resonance), ** package type examples (-5p= 4.3mm max. height, -5pl= 3.2mm max. height) for extended temp range of -40 to +85?c ad -dn suffix for example ecs-160-20-5p-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 figure 3) frequency vs temperature curve height ??(max.) -5p 4.3 mm -5pl 3.2 mm 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 + 30 - 30 - 10 25 60 f/f 0 ppm temp.(?c)
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