AT-CUT CRYSTAL UNIT (SMD * Metal-can Type) HCM49 RoHS compliant 1000pcs/reel FEATURES 7Surface mount type of metal-can HC-49/U-S. High performance with the resistance weld sealing. 7Suitable for various applications such as communication devices, AV devices and measuring instruments. Life-size DIMENSION [mm] SOLDER PAD LAYOUT [mm] 12.40.4 10.5 Max. 1.5 3.81 Max. 0.8 0.1 -0.2 11.40.2 4.32 3.6 Max. 4.3 Max. 0.15 -0.05 0.64 Internal connection 5.5 3 5.5 4.70.2 STANDARD SPECIFICATIONS Model Item f0 Nominal Frequency Conditions HCM49 3.5MHz30.0MHz Fundamental Need to contact us for the available frequency 30.0MHz50.0MHz 3rd Overtone 30ppm Frequency Tolerance f/f0 Frequency Tolerance over Operating Temperature Range f/f0 Operating Temperature Range TOPR -4085 Storage Temperature Range TSTR -55125 Motional (series) resistance R1 Refer to the following table at 25C Load capacitance CL Fundamental:10.0pF 3rd Overtone:5.0pF Need to specify your requirement Shunt capacitance C0 7.0pF Max. Level of drive DL 100W Insulation Resistance IR 500MMin. DC100V15V f/f0 5ppm Max. 253 Aging (first year) at 25C below 6.0MHz:50ppm -1060 above 6.0MHz:30ppm MOTIONAL (SERIES) RESISTANCE (R1) Frequency Range Mode R1 3.5MHzf04.0MHz 4.0MHzf06.0MHz 6.0MHzf010MHz 10MHzf014MHz 14MHzf030MHz 30MHzf036MHz 36MHzf050MHz Fundamental Fundamental Fundamental Fundamental Fundamental 3rd Overtone 3rd Overtone 200Max. 150Max. 100Max. 80Max. 50Max. 140Max. 100Max. http://cfm.citizen.co.jp/english/product/pr02.html