CM519-32.768KDZF-UT

TUNING FORK CRYSTAL UNIT (SMD ・ Ceramic Package) CM519 RoHS compliant / Pb free 3,000pcs/reel ■ FEATURES ● Frequency range : 32.768kHz ● External dimensions (mm) 　 L : 4.9 x W : 1.8 x H : 1.0 ● Applications 　　Consumer products ■ DIMENSION ■ SOLDER PAD LAYOUT [mm] [mm] Do not design any patterns under CM519. ■ STANDARD SPECIFICATIONS Model CM519 f0 32.768kHz Δf/f0 ±10ppm / ±20ppm at 25℃ CL 6.0pF / 7.0pF / 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 1.35pF 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 CM519 32768 Frequency Tolerance （at 25℃) Frequency D Z F T - □□□ Frequency Tolerance over Operating Temp. Range T Please specify the frequency in Hz. D E ±20ppm (STD) ±10ppm Z CITIZEN management code Package specification Only Tape & Reel Standard Spec. Ref. Code for internal use. Load capacitance (CL) B C F Y 6.0pF 9.0pF (STD) 12.5pF (STD) 7.0pF *Please contact us for specifications available. ■ Part Marking ■ Reflow profile [standard] Cym### C : Manufacture's ID Code y : The last digit of production year m : Production month (See Table.1) # : Production Lot No. Table.1 Month Code Jan Feb 1 2 … … Sep Oct Nov Dec X Y Z 9 ■ 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 5.3 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 1.1 h 　5° j 2.1 k 　5° l 13.0 m (φ) n (φ) 180 60 Rev.2