ETC CMR200T

Citizen Crystals and Oscillators - CMR200T
Page 1 of 2
CMR200T
(2,000pcs/reel)
FEATURES:
z
z
z
z
Because of their excellent shock resistance and low power
consumption, the units are ideal for portable equipment.
Features superior characteristics indigenous to tuning fork-type quartz
crystal units.
Ideal for low cost SMD applications.
Provided in Tape and Reel.
APPLICATIONS:
z
Permits use as a clock source for communication equipment, AV
equipment, OA equipment, measuring instruments and various types
of clocks.
STANDARD SPECIFICATIONS
Item
Nominal frequency
Frequency tolerance
Frequency
vs.Temperature
Characteristics
CM200T
Conditions
f0
delta f/f0
32.768kHz
± 20ppm
At 25°C
f/f0
See drawing
-10°C to +60°C
delta
Turnover temperature
Tm
25°C ± 5°C
Temperature
coefficient
beta
-0.034 ± 0.006ppm/°C2
Operating temperature
range
Topr
-40°C to + 85°C
Storage temperature
range
Tstg
-55°C to +125°C
Equivalent series
resistance
R1
35k ohm MAX.
At 25°C
Load capacitance
12.5pF TYP.
Please specify
0.0030pF TYP.
Shunt capacitance
CL
C1
C0
Capacitance ratio
gamma
450 TYP.
Drive level
DL
1 µ W MAX.
Insulation resistance
IR
delta f/f0
500M ohm MIN.
DC100V ± 15V
± 3ppm MAX.
25°C ± 3°C
Motional capacitance
Aging (First year)
Sealing
Shock resistance
1.35pF TYP.
1 x 10-2 µ Pa·m3 /s MAX.
±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
FREQUENCY vs TEMPERATURE CURVE
http://www.citizencrystal.com/quartz/crystals/cmr200t_d.htm
4/2/2003
Citizen Crystals and Oscillators - CMR200T
Page 2 of 2
DIMENSIONS: (UNIT=mm)
RECOMENDED SOLDERING PATTERN: (UNIT=mm)
http://www.citizencrystal.com/quartz/crystals/cmr200t_d.htm
4/2/2003