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44B3

Part # 44B3
Description
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Availability In Stock
Qty 5
Qty Price
1 - 1 $222.25495
2 - 2 $176.79371
3 - 3 $166.69121
4 + $154.90496
Manufacturer Available Qty
McCoy
Date Code: 7100
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

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
L
e
a
d
F
r
e
e
R
o
H
S
C
o
m
p
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