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CMD45B31A-20.000 Datasheet(PDF) 1 Page - Crystek Corporation

Part # CMD45B31A-20.000
Description  Replacement for Plastic SMD Crystal
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Manufacturer  CRYSTEKCRYSTAL [Crystek Corporation]
Direct Link  http://www.crystekcrystals.com/crystal/default.asp
Logo CRYSTEKCRYSTAL - Crystek Corporation

CMD45B31A-20.000 Datasheet(HTML) 1 Page - Crystek Corporation

  CMD45B31A-20.000 Datasheet HTML 1Page - Crystek Corporation  
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TD-02075 Rev.D
Specifications subject to change without notice.
Designed
as
a
drop
in
replacement for older style
plastic crystal packages.
Replacement for Plastic SMD Crystal
CMD4A Model
3.5MHz to 32MHz (fund)
27MHz to 86MHz (3rd O/T)
±10ppm to ±100ppm
±10ppm to ±100ppm
0°C to 70°C
-20°C to 70°C
-40°C to 85°C
-55°C to 120°C
7.0pF Max
100uW Typical
see table 1
1K Tape and Reel
<3ppm 1
st/yr Max
**Not recommended for new
designs
Frequency Range:
Calibration Tolerance:
Frequency Stability:
Temperature Range:
(Option)
(Option)
Storage:
Shunt Capacitance:
Drive Level:
ESR:
Packaging:
Aging:
0.039
(1.00)
0.118
(3.00)
0.370
(9.40)
0.063
(1.60)
0.181
(4.60)
0.400
(10.16)
0.516
(13.10)
See
Options
0.150
(3.81)
0.197
(5.00)
#2
#3
#1
#4
Terminals
#1 #4 Crystal
#2 #3 GND
0.008 ±0.004
(0.20 ±0.10)
0.142
(3.60)
0.086
(2.20)
0.063
(1.60)
0.374
(9.50)
0.094
(2.40)
0.094
(2.40)
#4
#1
#2
#3
CMD4X X X X X - Freq
Example:
CMD44F51B-20.000 = ±25ppm at 25°C, ±50ppm 0 to 70°C, 20pF Load Cap, Fundamental, 4.5mm, 20.000MHz
Mode
Frequency Tolerance
at 25°C
1 ±10 ppm
2 ±15 ppm
3 ±20 ppm
4 ±25 ppm
5 ±30 ppm
6 ±50 ppm
7 ±100 ppm
(0 to 70°C)
(0 to 70°C)
(0 to 70°C)
(0 to 70°C)
(0 to 70°C)
(0 to 70°C)
(0 to 70°C)
(-20 to 70°C)
(-20 to 70°C)
±10 ppm
±15 ppm
±20 ppm
±25 ppm
±30 ppm
±50 ppm
±100 ppm
±15 ppm
±20 ppm
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
±30ppm
±50 ppm
±100 ppm
±20 ppm
±25 ppm
±30 ppm
±50 ppm
±100 ppm
(-20 to 70°C)
(-20 to 70°C)
(-20 to 70°C)
(-40 to 85°C)
(-40 to 85°C)
(-40 to 85°C)
(-40 to 85°C)
(-40 to 85°C)
Frequency Stability
over Temp Range
Options
Can Height
A 4.0mm
B 4.5mm
C 5.5mm
Load
Capacitance
1
2
3
4
5
6
7
8
Series
14 pF
16 pF
18 pF
20 pF
22 pF
25 pF
32 pF
1
3
Fundamental 3.5-32MHz
3rd Overtone 27-86MHz
Freq. (MHz)
Max ESR
3.5 - 4.0
150
4.1 - 4.9
120
5.0 - 5.9
100
6.0 - 11.9
90
12.0 - 14.9
70
15.0 - 30.0
50
30.1 - 86.0
100
Resistance at series resonance
Table 1
All dimensions are Max unless otherwise specified.
Dimensions inches (mm)
41
Le
ad
Fr
ee
Ro
HS
Co
mp
lia
nt


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