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