6 ecs, inc. international 1105 s. ridgeview, olathe, ks 66062 ?913-782-7787 ?800-237-1041 ?fax 913-782-6991 ?www.ecsxtal.com crystals crystals this product represents our selection of low profile resistance weld type quartz crystals. options: ?extended temperature range ?tighter tolerances ?mylar spacer ?3rd in line lead base ?radial tape and reel (1,000 pcs) features cost effective excellent aging wide frequency range ?low profile ?excellent reliability ??t strip?blank technology HC-49US quartz crystal operating conditions/electrical characteristics package dimensions (mm) parameters conditions minimum 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 ?n?option -40 ~ +85?c ?00 ppm standard -10 70 ?c operating temperature dn option -40 +85 ?c storage temperature -40 +105 ?c shunt capacitance c 0 7.0 pf load capacitance c l (customer specified) 10.0 series pf drive level 3.57 ~ 70.000mhz 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 ~ 3.999 fundamental 200 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 27.000 ~ 70.000 3rd o/t 100 7.000 ~ 8.999 fundamental 80 figure 1) HC-49US - top and side views figure 2) HC-49US - 3rd in line lead base ?side & bottom view part numbering guide ?xample ? frequency (16.0000 mhz) load capacitance* package type** ecs 160 20 4 * load capacitance (xx=xx pf, s= series resonance), ** package type examples (4= 3.5mm max. height, 4l= 2.5mm max. height) for extended temp range of -40 to +85 ? c ad -dn suffix for example ecs-160-20-4-dn note: see product selection guide for additional options. figure 3) frequency vs temperature curve equivalent series resistance / mode of oscillation height ??(max.) -4 3.5 mm -4l 2.5 mm + 30 - 30 - 10 25 60 f/f 0 ppm temp.(?c) 10.5 max. 11.35 max. 4.88 10.5 max. 12.7 optional 20.0 h 0.43 4.65 max. 3.7 max. 10.5 max. 11.35 max. 4.88 3.80 max. 11.35 max. grounded to holder 12 min. 3.5 max. 5.0 max. 0.43
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