CM200C

TUNING FORK CRYSTAL UNITS (SMD • Plastic Package) RoHS compliant CM200C . CM250C ■ FEATURES 3000pcs/reel 7Molding a heat resistant cylinder with resin. 7Most appropriate for clock source for portable equipment with low power consumption. Life-size ■ DIMENSION [mm] 7.9±0.1 #4 #3 3.7±0.1 ■ SOLDER PAD LAYOUT [mm] Internal connection #4 #3 1.3 4.2 1.3 #1 #1 （1.25） 5.5±0.5 #2 （1.25） #2 2.4±0.1 0.5 0.5 （0.9） › Do not connect to external with #2 and #3 ■ STANDARD SPECIFICATIONS Item Nominal Frequency Frequency Tolerance Load capacitance Operating Temperature Range Storage Temperature Range Turnover Temperature Temperature Coefficient Motional (series) resistance Level of drive Aging (first year) Shunt capacitance Model CM200C 32.768kHz ±20ppm 12.5pF −40℃∼＋85℃ −55℃∼＋125℃ CM250C 30kHz∼100kHz ±30ppm Conditions Need to contact us for the available frequency in CM250C f0 △ f/f0 at 25˚C Need to specify your requirement CL TOPR TSTR TM β R1 DL △ f/f0 25℃±5℃ −0.034±0.006ppm/℃2 50KΩMax. 1μW Max. ±3ppm Max. 1.35pF Typ. ±5ppm Max. 0.8pF ∼ 1.7pF Typ. at 25˚C 25℃±3℃ Depend on frequency C0 http://cfm.citizen.co.jp/english/product/pr02.html 1.9 1.3 1.9