AT-CUT CRYSTAL UNIT (SMD Plastic Package) CM309E RoHS compliant 1,000pcs/reel FEATURES Frequency range : 4.0 64.0MH External dimensions (mm) L : 11.7 x W : 4.8 x H : 3.7 Applications Consumer products DIMENSION SOLDER PAD LAYOUT [mm] [mm] Do not connect to external terminals with #2 and #3. STANDARD SPECIFICATIONS Model CM309E Conditions Please contact us for frequencies available at 25C TOPR 4.0MHz 29.999MHz (Fundamental) 30.0MHz 64.0MHz (3rd Overtone) 30ppm below 5.5MHz:50ppm above 5.5MHz:30ppm -40 +85 Storage Temperature Range TSTR -55 +125 Motional (series) resistance R1 Refer to the following table at 25C Load capacitance CL 16.0pF / 18.0pF / Series Please specify your requirement Shunt capacitance C0 5.0pF Max. Level of drive DL 2mW Max. Insulation Resistance IR 500MMin. DC100V15V f/f0 5ppm Max. 253 Item Nominal Frequency Frequency Tolerance Frequency Tolerance over Operating Temperature Range Operating Temperature Range Aging (first year) f0 f/f0 f/f0 -10+60 MOTIONAL (SERIES) RESISTANCE (R1) Freq. Range (MHz) Mode R1 4.0f05.5 5.5f06.0 Fundamental Fundamental 150Max. 100Max. 6.0f010.0 10.0f012.0 12.0f016.0 16.0f030.0 30.0f036.0 36.0f064.0 Fundamental Fundamental 80Max. http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html 60Max. Fundamental 50Max. Fundamental 40Max. 3rd Overtone 3rd Overtone 100Max. 80Max. PART NUMBERING SYSTEM CM309E 20000000 Frequency Tolerance at 25) Frequency Please specify the frequency in Hz. A B 30ppm 50ppm A B J T - Frequency Tolerance over Operating Temp. Range 30ppm (STD) A Range -10 +60 (STD) 50ppm CITIZEN management code Load capacitance (CL) A I J Series 16.0pF 18.0pF Ref. Code for internal use. B Range -10 +60 50ppm G Range -40 +85 Package specification 100ppm H Range -40 +85 T Only Tape & Reel *Please contact us for specifications available. Part Marking Reflow profile [standard] C AAym ff.fff M C AA : Manufacture's ID Code y : The last digit of production year m : Production month (See Table.1) ff.fff : Frequency M : MHz Table.1 Month Code Jan Feb 1 2 ... ... Sep Oct Nov Dec 9 X Y Z Packing Conforming to JIS C 0806 TB1208NEIAJ and RC-1009B TE1208N Q'ty/reel 1,000 a 24.0 b 11.5 c 12.0 d () 1.5 e 11.9 Product specifications are subject to change without notice. http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html Conforming to JIS C 0806 R12R and EIAJ RC-1009B R15 f 0.4 g 4.0 h 5 j 4.9 k 5 l 25.5 m () n () 330 100 Rev.2