CM315E32768DZZT-4PF

TUNING FORK CRYSTAL UNIT (SMD ・ Ceramic Package) RoHS compliant / Pb free CM315E 3,000pcs/reel ■ FEATURES ● Metal Lid GND connected EMI reduced type ● Frequency range : 32.768kHz ● External dimensions (mm) 　 L : 3.2 x W : 1.5 x H : 0.9 ● Applications 　　Smart Meters / Small communication devices / Consumer products ■ DIMENSION ■ SOLDER PAD LAYOUT [mm] [mm] #2 is connected with cover. ■ STANDARD SPECIFICATIONS Model CM315E f0 32.768kHz Δf/f0 ±20ppm at 25℃ CL 4.0pF / 6.0pF / 8.0pF / 9.0pF / 12.5pF Please specify your requirement Operating Temperature Range TOPR -40℃ ～ +85℃ Storage Temperature Range TSTR -55℃ ～ +125℃ Turnover Temperature TM 25℃±5℃ Temperature Coefficient β -0.034±0.006ppm/℃2 Motional (series) resistance R1 70KΩ Max. Level of drive DL 1μW Max. Δf/f0 ±3ppm Max. C0 0.75pF Typ. Item Nominal Frequency Frequency Tolerance Load capacitance Aging (first year) Shunt capacitance http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html Conditions at 25℃ 25℃±3℃ ■ PART NUMBERING SYSTEM CM315E 32768 D Z F T - □□□ Frequency Tolerance （at 25℃) Frequency Frequency Tolerance over Operating Temp. Range T Please specify the frequency in Hz. D ±20ppm Z (STD) CITIZEN management code Package specification Only Tape & Reel Standard Spec. Ref. Code for internal use. Load capacitance (CL) B C F V Z 6.0pF 9.0pF (STD) 12.5pF (STD) 8.0pF 4.0pF or Other *Please contact us for specifications available. ■ Part Marking ■ Reflow profile [standard] ym### y : The last digit of production year m : Production month (See Table.1) # : Production Lot No. Table.1 Month Code Jan Feb 2 1 … … Sep Oct Nov Dec 9 X Y Z ■ Packing Conforming to JIS C 0806 TB1208NEIAJ and RC-1009B TE1208N Q'ty/reel 3,000 a 12.0 b 5.5 c 4.0 d (φ) 1.0 e 3.6 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 0.3 g 1.0 h 　5° j 1.9 k 　5° l 13.0 m (φ) n (φ) 180 60 Rev.2