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CFS-145 Datasheet(PDF) 1 Page - CITIZEN ELECTRONICS CO., LTD.

Part # CFS-145
Description  TUNING FORK CRYSTAL UNIT (Cylinder Type)
PDF  2 Pages
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Manufacturer  CITIZEN [CITIZEN ELECTRONICS CO., LTD.]
Direct Link  http://ce.citizen.co.jp/e/index.html
Logo CITIZEN - CITIZEN ELECTRONICS CO., LTD.

CFS-145 Datasheet(HTML) 1 Page - CITIZEN ELECTRONICS CO., LTD.

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25℃±3℃
32.768kHz
±5ppm
/
±10ppm
/
±20ppm
-20℃
～
+70℃
-40℃
～
+85℃
25℃±5℃
-0.034±0.006ppm/℃
2
1μW
Max.
1.0pF
Typ.
at
25℃
Please
specify
your
requirement
at
25℃
40KΩ
Max.
Shunt
capacitance
Shunt
capacitance
Shunt
capacitance
Shunt
capacitance
C0
1.2pF
Typ.
Model
Item
CFS-206
6.0pF
/
7.0pF
/
8.0pF
/
12.5pF
Level
of
drive
Level
of
drive
Level
of
drive
Level
of
drive
DL
Aging
(first
year)
Aging
(first
year)
Aging
(first
year)
Aging
(first
year)
Δf/f0
Temperature
Coefficient
Temperature
Coefficient
Temperature
Coefficient
Temperature
Coefficient
β
Motional
(series)
resistance
Motional
(series)
resistance
Motional
(series)
resistance
Motional
(series)
resistance
R1
Storage
Temperature
Range
Storage
Temperature
Range
Storage
Temperature
Range
Storage
Temperature
Range
TSTR
Turnover
Temperature
Turnover
Temperature
Turnover
Temperature
Turnover
Temperature
TM
35KΩ
Max.
±3ppm
Max.
TUNING FORK CRYSTAL UNIT (Cylinder Type)
CFS-206
・
・
・
・
CFS-145
RoHS compliant / Pb free
■
FEATURES
●
Frequency
range
:
32.768kHz
●
External
dimensions
(mm)
　　CFS-206
Φ
:
2.0
x
L
:
6.2
CFS-145
Φ
:
1.5
x
L
:
5.1
●
Applications
　　Watch
/
Clock
/
Security
devices
/
Consumer
products
CFS-145
Conditions
CFS-145
Load
capacitance
Load
capacitance
Load
capacitance
Load
capacitance
CL
Operating
Temperature
Range
Operating
Temperature
Range
Operating
Temperature
Range
Operating
Temperature
Range
TOPR
Nominal
Frequency
Nominal
Frequency
Nominal
Frequency
Nominal
Frequency
f0
Frequency
Tolerance
Frequency
Tolerance
Frequency
Tolerance
Frequency
Tolerance
Δf/f0
■
DIMENSION [mm]
CFS-206
■
STANDARD SPECIFICATIONS
http://cfd.citizen.co.jp/english/prod-tech/product/cvo_top.html


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