AT-CUT CRYSTAL UNIT (SMD * Ceramic Package) CS325S RoHS compliant / Pb free 3000pcs/reel FEATURES 7High-density SMD type. 7Reliable ceramic package and excellent environmental characteristics. 7Suitable for various applications such as communication devices, AV devices and other equipment. Life-size DIMENSION [mm] SOLDER PAD LAYOUT [mm] 1.2 3.20.1 0.9 1.3 1 1.0 1.3 0.65 1.1 1.0 2.50.1 2 0.60.1 0.8 3 4 Internal connection (Top View) 3 1 2 1.1 4 #2 and #4 is connected with cover. STANDARD SPECIFICATIONS Model Item Nominal Frequency CS325S Conditions f0 12.0MHz54.0MHz Fundamental Need to contact us for the available frequency Frequency Tolerance f/f0 30ppm at 25C Frequency Tolerance over Operating Temperature Range f/f0 30ppm -1060 Operating Temperature Range TOPR -4085 Storage Temperature Range TSTR -55125 Motional (series) resistance R1 Refer to the following table at 25C Load capacitance CL 10.0pF Need to specify your requirement Shunt capacitance C0 5.0pF Max. Level of drive DL 10W 100W Max. Insulation Resistance IR 500MMin. DC100V15V f/f0 5ppm Max. 253 Aging (first year) MOTIONAL (SERIES) RESISTANCE (R1) Frequency Range ESR 12.0MHzf016.0MHz 16.0MHzf020.0MHz 20.0MHzf030.0MHz 30.0MHzf054.0MHz 150Max. 120Max. 80Max. 50Max. http://cfm.citizen.co.jp/english/product/pr02.html