Crystek CRM2C45-20.000 Quartz crystal Datasheet

Quartz Crystal
CRMxx Model
UM-1 Leaded Crystal
Frequency Range:
10MHz to 50MHz (fund)
20MHz to 100MHz (3rd O/T)
50MHz to 200MHz (5th O/T)
±10ppm to ±100ppm
±10ppm to ±100ppm
ree
0°C to 70°C
dF S
a
Le oH ant
R pli
-20°C to 70°C
om
C
-40°C to 85°C
-55°C to 120°C
7.0pF Max
100 uW Typical
see table 1
Frequency Tolerance:
Frequency Stability:
Temperature Range:
(Option)
(Option)
Storage:
Shunt Capacitance:
Drive Level:
ESR:
Designed to provide
traditional crystal
design flexibility of the
HC49 in a smaller UM-1
package. Custom lead
forming available for
SMD applications.
**Custom Designs Available
Aging:
<3ppm 1st/yr Max
0.126
(3.20)
0.018
(0.46)
0.091
(2.31)
0.291
(7.40)
Resistance at series resonance
CRY
Freq
DC
0.314
(8.0)
0.148 ±0.008
(3.76 ±0.20)
Freq. (MHz)
Max ESR
10.0
18.1
20.0
50.0
60
40
60
100
- 18.0
- 50.0
- 100.0
- 200.0
0.500 Min
(12.70 Min)
0.314
(8.0)
Table 1
Dimensions inches (mm)
All dimensions are Max unless otherwise specified.
Build Your Own P/N
CRM X X X X - Freq
Frequency Tolerance
at 25°C
1
2
3
4
5
6
7
±10 ppm
±15 ppm
±20 ppm
±25 ppm
±30 ppm
±50 ppm
±100 ppm
Frequency Stability
over Temp Range
A
B
C
D
E
F
G
H
I
±10 ppm
(0 to 70°C)
±15 ppm
(0 to 70°C)
±20 ppm
(0 to 70°C)
±25 ppm
(0 to 70°C)
±30 ppm
(0 to 70°C)
±50 ppm
(0 to 70°C)
±100 ppm (0 to 70°C)
±15 ppm
(-20 to 70°C)
±20 ppm
(-20 to 70°C)
J
K
L
M
N
O
P
Q
±30ppm
±50 ppm
±100 ppm
±20 ppm
±25 ppm
±30 ppm
±50 ppm
±100 ppm
Load
Capacitance
(-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)
1
2
3
4
5
6
7
8
Series
14 pF
16 pF
18 pF
20 pF
22 pF
25 pF
32 pF
Mode
Example:
CRM4F51-20.000 = ±25ppm at 25°C, ±50ppm 0 to 70°C, 20pF Load Cap, Fundamental, 20.000MHz
1 Fundamental 10-50 MHz
3 3rd Overtone 20-100 MHz
5 5th Overtone 50-200 MHz
Specifications subject to change without notice.
TD-021014 Rev. B
43
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