AT-CUT CRYSTAL UNITS (Cylinder Type) CSA-310 . CSA-309 FEATURES 7High performance miniature crystal units with Citizen's ultra-precise processing technology. 7High-stability assured with tight vacuum sealing. 7Suitable for various applications. Life-size o3.00.2 10.00.5 8.80.2 CSA-310 1.10.2 1.10.2 o3.00.2 10.30.2 +0.07 o0.32 -0.03 SOLDER PAD LAYOUT [mm] +0.07 o0.32 -0.03 DIMENSION [mm] 10.00.5 CSA-309 STANDARD SPECIFICATIONS Model Item f0 Nominal Frequency CSA-310 CSA-309 Conditions 4.001MHz34.0MHzFundamental 3.5MHz4.0MHz 27.0MHz70.0MHz3rd Overtone Need to contact us for the available frequency Frequency Tolerance f/f0 Frequency Tolerance over Operating Temperature Range f/f0 Operating Temperature Range TOPR -2070 Storage Temperature Range TSTR -4085 Motional (series) resistance R1 Refer to the following table at 25C Load capacitance CL 16.0pF, 18.0pF Need to specify your requirement Shunt capacitance C0 5.0pF Max. Level of drive DL 100W Insulation Resistance IR 500MMin. DC100V15V f/f0 5ppm Max. 253 Aging (first year) 30ppm at 25C below 6.0MHz50ppm -1060 above 6.0MHz30ppm See figure 3 in P4 MOTIONAL (SERIES) RESISTANCE (R1) Frequency Range Mode R1 3.5MHzf04.0MHz 4.0MHzf06.0MHz 6.0MHzf010MHz 10MHzf027MHz 36MHzf070MHz Fundamental Fundamental Fundamental Fundamental Fundamental 3rd Overtone 3rd Overtone 200Max. 150Max. 100Max. 50Max. 50Max. 100Max. 80Max. http://cfm.citizen.co.jp/english/product/pr02.html 17 27MHzf036MHz