CRMxx

CRMxx Model
UM-1 Leaded Crystal
0.126
(3.20)
Designed to provide traditional
crystal design flexibility of the
HC49 in a smaller UM-1
package. Custom lead forming
available for SMD applications.
0.018
(0.46)
0.091
(2.31)
0.291
(7.40)
CRY
Freq
DC
Resistance at series resonance
0.314
(8.0)
0.148 ±0.008
(3.76 ±0.20)
0.500 Min
(12.70 Min)
0.314
(8.0)
Freq. (MHz)
Max ESR
10.0 – 18.0
18.1 – 50.0
20.0 – 100.0
50.0 – 135.0
60
40
60
100
Dimensions inches (mm)
All dimensions are maximum unless otherwise specified
Table 1
Frequency Range: 10 MHz to 50 MHz (fund)
20 MHz to 100 MHz (3rd O/T)
50 MHz to 135 MHz (5th O/T)
Calibration Tolerance: ±50ppm (Standard p/n)
(Option) ±10ppm to ±100ppm
Frequency Stability: ±100ppm (Standard p/n)
(Option) ±15ppm to ±100ppm
Operating Temp. range: 0°C to 70°C (Standard p/n)
(Option) -20°C to 70°C
(Option) -40°C to 85°C
Build Your Own P/N
±10 ppm
±15 ppm
±20 ppm
±25 ppm
±30 ppm
±50 ppm
±100 ppm
-45°C to 90°C
7.0pF Max
100uW Typical
See table 1
<3ppm 1st year Max
500 Megaohms Min at 100Vdc
CRM X X X X - Freq
Frequency Tolerance
at 25°C
1
2
3
4
5
6
7
Storage Temp. range:
Shunt Capacitance:
Drive level:
ESR:
Aging:
Insulation Resistance:
Frequency Stability
over Temp Range
B
C
D
E
F
G
H
I
±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
±30 ppm
±50 ppm
±100 ppm
±20 ppm
±25 ppm
±30 ppm
±50 ppm
±100 ppm
Load
Capacitance
(-20
(-20
(-20
(-40
(-40
(-40
(-40
(-40
to
to
to
to
to
to
to
to
70°C)
70°C)
70°C)
85°C)
85°C)
85°C)
85°C)
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, 20.000 MHz
Specifications subject to change without notice.
CRYSTEK
CORPORATION
1
3
5
Fundamental 10 - 50 MHz
3rd Overtone 20 - 100 MHz
5th Overtone 50 - 135 MHz
TD-021014 Rev. E
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
Fax: 239-561-1025 • www.crystek.com
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