CM250C Citizen, CM250C Datasheet
CM250C
Manufacturer Part Number
CM250C
Description
(CM200C / CM250C) TUNING FORK CRYSTAL UNITS
Manufacturer
Citizen
Datasheet
1.CM250C.pdf
(1 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CM250C-32.000KAZF-UT
Manufacturer:
TOSHIBA
Quantity:
120
www.DataSheet4U.net
■
■
http://cfm.citizen.co.jp/english/product/pr02.html
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)
Quality Factor
Shunt capacitance
Item
TUNING FORK CRYSTAL UNITS
DIMENSION [mm]
STANDARD SPECIFICATIONS
（1.25）
#4
#1
0.5
∗ Do not connect to external with #2 and #3
7.9±0.1
5.5±0.5
Model
#3
#2
△
△
（1.25）
T
T
C
T
R
D
C
β
OPR
Q
f
STR
0
f/f
f/f
M
L
1
L
0
0.5
0
0
CM200C . CM250C
Internal connection
±3ppm Max.
#4
#1
1.35pF Typ.
70000 Typ.
32.768kHz
CM200C
±20ppm
実物大
−
#3
#2
0.034±0.006ppm/℃
−
−
55℃∼
40℃∼
50KΩMax.
25℃±5℃
12.5pF
1μW Max.
＋
＋
125℃
85℃
■
7Embeded with heat resistant cylinder type crystal
7Automatic mounting and reflowable type.
7Most appropriate for clock source for portable and
■
(SMD • Plastic Package)
70000 ∼ 100000 Typ.
bring highly stable characteristics.
autmotive equipment with low power consumption.
0.8pF ∼ 1.7pF Typ.
FEATURES
SOLDER PAD LAYOUT [mm]
30kHz∼100kHz
±5ppm Max.
2
CM250C
±30ppm
1.3
4.2
Need to specify your requirement
the available frequency in CM250C
Depend on frequency
Depend on frequency
Need to contact us for
See figure 2 in P4
1.3
Conditions
25℃±3℃
at 25˚C
at 25˚C
3000pcs/reel
10
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