AT-CUT CRYSTAL UNIT (Metal-can Type) HC-49/U-S FEATURES 7High performance miniature crystal units with Citizen's ultra-precise processing technology. 7Available in Tape and reel form. 7Suitable for various applications such as communication , AV , automotive and measurement devices. Life-size Taping dimension : 2000pcs/Ammo pack [mm] 0.430.05 11.5 Max. 20.50.5 3.850.7 3.5 Max. 13.0 4.88 40.2 4.66 Max. 2.0 Max. 4.65 Max. 9.00.5 11.5 Max. 5.00.8 2.0 Max. 1.5 Max. 1.0 18.0 - 0.5 12.71.0 3.5 Max. 6.351.3 3.0 Max. DIMENSION [mm] 201 0.375 12.70.3 STANDARD SPECIFICATIONS Model Item HC-49/U-S 3.5MHz30.0MHz Fundamental f0 Nominal Frequency Conditions Need to contact us for the available frequency 30.0MHz50.0MHz 3rd Overtone 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 7.0pF 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 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 18 AT-cut Crystal Units. Part Numbering System