CMR310T/CMR309T
FEATURES:
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q
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The units are high-performance, miniature crystal units
manufactured with Citizen's ultrahigh-precision processing
technology.
Ideal for low cost SMD applications.
Provided in Tape and Reel.
APPLICATIONS:
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Can be used for a wide range of applications including
use in AV equipment, OA equipment, communication
equipment and measuring instruments.
STANDARD SPECIFICATIONS
Item
CMR310T
CMR309T
4.001MHz to 32MHz (fund)
Nominal frequency
Conditions
f
0
3.5MHz to 4.000MHz
Please contact
us for changes
30MHz to 70MHz (3rd OT
)
in frequency.
At 25°C
-10°C to
+60°C
Frequency tolerance
Frequency
vs.Temperature
Characteristics
Operating
temperature range
Storage temperature
range
Equivalent series
resistance
Load capacitance
Shunt capacitance
Drive level
Insulation resistance
Aging (First year)
Sealing
delta
f/f
0
delta
f/f
0
±30ppm or ±50ppm
±50ppm (±30ppm)
T
opr
T
stg
R
1
C
L
C
0
DL
IR
delta
f/f
0
-40°C to + 85°C
-55°C to +125°C
See drawing
16.0pF TYP.
5.0pF MAX.
50 µW to 100µW
500M ohm MIN.
± 5ppm MAX.
1 x 10
-2
µ Pa·m
3
/s MAX.
DC100V ±
15V
25°C ± 3°C
At 25°C
Please specify
Shock resistance
Conditions
±5ppm MAX.
will vary
Drop test of 3 times on a hard board from 75cm height or shock test of
depending on
3000G x 0.3ms x 1/2sin wave x 3 directions
the frequency.
FREQUENCY vs TEMPERATURE CURVE
EQUIVALENTSERIES RESISTANCE (ESR, R1)(Ohm MAX.)
Frequency
3.5MHz <(=) f
0
< 4MHz
4MHz <(=) f
0
< 6MHz
6MHz <(=) f
0
< 10MHz
10MHz <(=) f
0
<(=) 32MHz
30MHz < f
0
< 36MHz
36MHz <(=) f
0
< 70MHz
Equivalent series resistance
200
150
100
50
100
80
3rd OT
Fundamental
Mode
DIMENSIONS: (UNIT=mm)
RECOMENDED SOLDERING PATTERN: (UNIT=mm)
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