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: C extended temperature range C tighter tolerances C mylar spacer C 3rd in line lead base C radial tape and reel (1,000 pcs) features ? cost effective ? excellent aging ? wide frequency range ? low profile ? excellent reliability ? at strip blank technology ? pbfree/rohs compliant hc-49usx quartz crystal package dimensions (mm) operating conditions/electrical characteristics 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 dn option -40 ~ +85?c 100 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 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. figure 1) hc-49usx - top and side views 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 figure 2) hc-49usx - 3rd in line lead base ? side & bottom view part numbering guide example manufacturer frequency (16.0000 mhz) load capacitance* package type** ecs C 160 C 20 C 4x * load capacitance (xx=xx pf, s= series resonance), ** package type examples (4x= 3.5mm max. height, 4lx= 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. + 30 - 30 - 10 25 60 f/f 0 ppm temp.(?c) figure 3) frequency vs temperature curve equivalent series resistance / mode of oscillation height ?h? (max.) -4x 3.5 mm -4lx 2.5 mm
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