TUNING FORK CRYSTAL UNIT (SMD • Ceramic Package)
RoHS compliant / Pb free
CM415
■ FEATURES
3000pcs/reel
7Tuning fork crystal with ceramic packaged type. 7High-density SMD type Ultra-light weight with ultra-miniature packaging. High-stability assured with tight vacuum sealing. 7Most appropriate for portable devices and mobile telecommunications devices.
Life-size
■ DIMENSION [mm]
4.1±0.1 1.5±0.1
■ SOLDER PAD LAYOUT [mm]
4-R0.15 0.9 Max.
1.1
2.3
1.1
(3.3) 2.7 0.38 C0.3 0.1
Internal connection
0.6
0.1
1.3
Do not design any patterns on shaded area.
■ STANDARD SPECIFICATIONS
Item Nominal Frequency Frequency Tolerance Load capacitance Operating Temperature Range Storage Temperature Range Turnover Temperature Temperature Coefficient Motional (series) resistance Level of drive Aging (first year) Shunt capacitance Model
CM415
32.768kHz ±20ppm 9.0pF, 12.5pF
−40℃∼+85℃ −55℃∼+125℃
Conditions
at 25˚C
Need to specify your requirement
f0
△ f/f0
CL TOPR TSTR TM β R1 DL
△ f/f0
25℃±5℃
−0.034±0.006ppm/℃2
70KΩMax. 1μW Max. ±3ppm Max. 1.10pF Typ.
at 25˚C
25℃±3℃
C0
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1.9
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