TD-021014 Rev. B
Specifications subject to change without notice.
Designed to provide
traditional crystal
design flexibility of the
HC49 in a smaller UM-1
package. Custom lead
forming available for
SMD applications.
UM-1 Leaded Crystal
CRMxx Model
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
-20°C to 70°C
-40°C to 85°C
-55°C to 120°C
7.0pF Max
100 uW Typical
see table 1
**Custom Designs Available
Frequency Range:
Frequency Tolerance:
Frequency Stability:
Temperature Range:
(Option)
(Option)
Storage:
Shunt Capacitance:
Drive Level:
ESR:
Freq. (MHz) Max ESR
10.0 - 18.0 60
18.1 - 50.0 40
20.0 - 100.0 60
50.0 - 200.0 100
Resistance at series resonance
Table 1
Aging:
CRM X X X X - Freq
Example:
CRM4F51-20.000 = ±25ppm at 25°C, ±50ppm 0 to 70°C, 20pF Load Cap, Fundamental, 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
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
5
Fundamental 10-50 MHz
3rd Overtone 20-100 MHz
5th Overtone 50-200 MHz
CRY
Freq
0.314
(8.0)
0.091
(2.31)
0.291
(7.40)
0.314
(8.0)
0.126
(3.20) 0.018
(0.46)
0.148 ±0.008
(3.76 ±0.20)
0.500 Min
(12.70 Min)
DC
All dimensions are Max unless otherwise specified.
Dimensions inches (mm)
Build Your Own P/N
<3ppm 1st/yr Max
Quartz Crystal
43
Lead Free
RoHS
Compliant
