TUNING FORK CRYSTAL UNITS (SMD • Cylinder Type) CMR200T 2000pcs/reel ■ FEATURES 7Lead formed SMD type with embossed tape. Automatic mounting and reflowable type. 7Most appropriate for clock source for portable and other various equipment with low power consumption. Life-size ■ DIMENSION [mm] ■ SOLDER PAD LAYOUT [mm] 2.5 0.1 6.0 − 0.2 2.5 1.54 ＋ 2.54±0.3 ø1.9±0.1 （1） 2.0±0.3 1.0 6.0 （1） 2.0±0.3 3.0±0.3 CMR200T 1.75 CMR200T ■ STANDARD SPECIFICATIONS Item Model CMR200T Conditions f0 32.768kHz △ f/f0 ±20ppm at 25˚C CL 12.5pF Need to specify your requirement Operating Temperature Range TOPR −40℃∼＋85℃ Storage Temperature Range TSTR −55℃∼＋125℃ Turnover Temperature TM 25℃±5℃ Temperature Coefficient β −0.034±0.006ppm/℃2 Motional (series) resistance R1 50KΩMax. Level of drive DL 1μW Max. △ f/f0 ±3ppm Max. Quality Factor Q 70000 Typ. Shunt capacitance C0 1.35pF Typ. Nominal Frequency Frequency Tolerance Load capacitance See figure 2 in P4 Aging (first year) at 25˚C 25℃±3℃ http://cfm.citizen.co.jp/english/product/pr02.html 12