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TUNING FORK CRYSTAL UNIT (SMD ? Ceramic Package)
RoHS compliant / Pb free
CM212
3000pcs/reel
■ FEATURES
7 Tuning fork crystal with in-house ceramic.
7 High-density SMD type
Ultra-light weight with ultra-miniature packaging.
High-stability assured with tight vacuum sealing.
7 Most appropriate for portable devices and mobile
telecommunications devices.
Life-size
■ DIMENSION [mm]
2.0±0.1
■ SOLDER PAD LAYOUT [mm]
（1.4）
1.0
C0.2
Internal connection
0.7
（0.8）
0.7
1.5
0.4
■ 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
f 0
△ f/f 0
C L
T OPR
T STR
T M
β
R 1
D L
△ f/f 0
C 0
CM212
32.768kHz
±20ppm
12.5pF
? 40℃～ ＋ 85℃
? 55℃～ ＋ 125℃
25℃±5℃
? 0.04ppm/℃ 2 Max.
90KΩMax.
0.5μW Max.
±3ppm Max.
1.7pF Typ.
Conditions
at 25?C
Need to specify your requirement
at 25?C
25℃±3℃
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