Cardinal’s ultra-miniature crystals are a smaller alternative to the standard HC-49
package where applications require compact board space. They are perfect for
applications requiring tight tolerances over wide temperature ranges.
Ultra-Miniature Crystals
CARDINAL COMPONENTS
Series CM1
CM5
7.0
D18
-3
Part Numbering Example: CM1 Z - A1 - B2 - C2 50 - 7.0 D18 - 3
CM1
Z
A1*
B2
C2
50
SERIES ADDED FEATURES
CM1
BLANK = BULK PACK
Z = TAPE AND REEL
CM5
OPERATING TEMP. STABILITY TOLERANCE RESISTANCE FREQUENCY LOAD CAP.
OVERTONE
A0 = -10°C ~ +60°C B1 = ±100 C1 = ±100 SEE CHART
D16,18,20,ETC. BLANK: FUND.
-3: 3rd OT
BELOW
A1 = -10°C ~ +70°C B2 = ± 50 C2 = ± 50
DS = SERIES
-5: 5th OT
A2 = -40°C ~ +85°C B3 = ± 30 C3 = ± 30
A3 = -55°C ~ +125°C B4 = ± 10 C4 = ± 10
*NOTE:
The above ABC combinations cover basic specification options. We tailor our crystal specifications
to meet customer requirements. Please contact our sales department if you don’t see exactly what you need.
Specifications:
Frequency Range:
Operating Temperature:
16.000 ~ 120.000 MHz
-10°C ~ + 70°C
-40°C ~ + 85°C
-55°C ~ + 125°C
±100
± 50
± 30
± 10
±100
± 50
± 30
± 10
ppm
ppm
ppm
ppm
ppm
ppm
ppm
ppm
CM1
Standard
Frequency Stability:
Standard
Frequency Tolerance:
(at 25°C)
Standard
Load Capacitance:
Resistance:
Standard:
Standard 18 pF or series.
Please specify your required load.
Maximum resistance corresponds to frequency.
See chart below.
Mode: Fundamental, 3rd, 5th, or 7th Overtone
Shunt Capacitance: 7 pF Max
Aging: ± 5 ppm/year
Drive Level: 1.0 mW Max
Third lead
Insulator pads
Tape and Reel (1K per Reel)
CM5
Optional Features:
Note 1: Not all combinations of the above tolerances, stabilities, and temperature
ranges are available. Consult the factory if your requirement is not standard.
Resistance Chart:
All resistances are maximum values.
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT
CM1
Frequency MHz
ESR(Ω)
16.000~40.000 25 Max
30.000~39.999
40.000~49.999
50.000~100.000
50 Max
40 Max
35 Max
Mode
Fund.
Third OT
Third OT
Third OT
Frequency MHz
16.000~40.000
30.000~39.999
40.000~49.999
50.000~100.000
CM5
ESR (Ω)
25 Max
50 Max
40 Max
35 Max
Mode/cut
Fundamental
Third Overtone
Third Overtone
Third Overtone
1801 Broadway St
Charlottesville, VA 22902
USA
Cardinal Components, Inc.
C-3
TEL:
(973)785-1333
E-MAIL: sales@cardinalxtal.com
WEB: http://www.cardinalxtal.com
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