English
Language : 

CMR309T Datasheet, PDF (1/2 Pages) List of Unclassifed Manufacturers – CMR309T
Citizen Crystals and Oscillators - CMR310T/309T
Page 1 of 2
CMR310T/CMR309T
FEATURES:
(1,000pcs/reel)
z The units are high-performance, miniature crystal units manufactured
with Citizen's ultrahigh-precision processing technology.
z Ideal for low cost SMD applications.
z Provided in Tape and Reel.
APPLICATIONS:
z 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
Conditions
Nominal frequency
f0
3.5MHz to 4.000MHz
4.001MHz to 32MHz (fund) Please contact
us for changes
30MHz to 70MHz (3rd OT) in frequency.
Frequency tolerance delta f/f0
±30ppm or ±50ppm
At 25°C
Frequency
vs.Temperature
Characteristics
delta f/f0
±50ppm (±30ppm)
-10°C to +60°
C
Operating
temperature range
Topr
-40°C to + 85°C
Storage temperature
range
Tstg
-55°C to +125°C
Equivalent series
resistance
R1
See drawing
At 25°C
Load capacitance
CL
16.0pF TYP.
Please specify
Shunt capacitance
C0
5.0pF MAX.
Drive level
DL
50 µW to 100µW
Insulation resistance IR
500M ohm MIN.
DC100V ±
15V
Aging (First year) delta f/f0
± 5ppm MAX.
25°C ± 3°C
Sealing
1 x 10-2 µ Pa·m3 /s MAX.
Shock resistance
±5ppm MAX.
Drop test of 3 times on a hard board from 75cm height or shock test of
3000G x 0.3ms x 1/2sin wave x 3 directions
Conditions
will vary
depending on
the frequency.
FREQUENCY vs TEMPERATURE CURVE
http://www.citizencrystal.com/quartz/crystals/cmr310t309t_d.htm
4/2/2003