TUNING FORK CRYSTAL UNITS (Cylinder Type) RoHS compliant / Pb free CFS-206.CFS-145.CFV-206 FEATURES *Best suited for portable devices with low current consumption. *For a clock source in digital equipment. Life-size 60.2 6.10.2 CFS-206, CFV-206 0.20.05 50.1 0.450.08 Max 1.5 0.260.05 1.90.1 0.70.2 DIMENSION [mm] 4.30.3 CFS-145 STANDARD SPECIFICATIONS Item Nominal Frequency Frequency Tolerance Load capacitance Model CFS-206 CFS-145 f0 32.768kHz 30kHz100kHz f/f0 20ppm 30ppm at 25 12.5pF Need to specify your requirement 50KMax. at 25 5ppm Max. 253 0.81.7pF Typ. Depend on frequency CL 12.5pF 8.0pF TOPR -2070 Storage Temperature Range TSTR -4085 Turnover Temperature TM 255 Temperature Coefficient -0.0340.006ppm/2 Motional (series) resistance R1 Level of drive DL Shunt capacitance 35KMax. 3ppm Max. f/f0 C0 40KMax. 1W Max. 1.2pF Typ. http://cfm.citizen.co.jp/english/product/pr02.html 13 Conditions Need to contact us for the available frequency in CFV-206 Operating Temperature Range Aging (first year) CFV-206 1.00pF Typ.