CARDINAL COMPONENTS
Ceramic Surface Mount Crystal
• Very low height
• Tight stability options
Series CX745
Part Numbering Example: CX745 Z - A1 B2 C2 60 - 10.0 D18 - 3
CX745
Z
A1*
B2
C2
60
10.0
D18
-3
SERIES ADDED FEATURES OPERATING TEMP. STABILITY TOLERANCE RESISTANCE FREQUENCY LOAD CAP.
OVERTONE
CX745 BLANK = BULK PACK A0 = -10°C ~ +60°C B1 = ±100 C1 = ±100 SEE CHART
D16,18,20,ETC. BLANK: FUND.
-3: 3rd OT
BELOW
DS = SERIES
Z = TAPE AND REEL A1 = -10°C ~ +70°C B2 = ± 50 C2 = ± 50
-5: 5th OT
A2 = -40°C ~ +85°C B3 = ± 30 C3 = ± 30
-7: 7th OT
A3 = -55°C ~ +125°C B4 = ± 10 C4 = ± 10
-BT: BT Cut
*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:
Frequency Stability:
10.000 ~ 72.000 MHz
-10°C ~ +70°C
±50 ppm
±30 ppm
±10 ppm
± 5 ppm
±50 ppm
±30 ppm
±10 ppm
CX745
Standard
Frequency Tolerance:
(at 25°C)
Load Capacitance:
Resistance:
Standard:
Standard
Standard 18pF or series.
Other values are available.
Maximum resistance corresponds to frequency.
Mode: Fundamental or 3rd Overtone
Shunt Capacitance: 7 pF Max
Aging: ± 5 ppm/year
Drive Level: 1.0 mW Max
Packaging: Tape & Reel (1K per Reel)
Resistance Chart:
All resistances are maximum values.
EQUIVALENT SERIES RESISTANCE (ESR), MODE OF OPERATION (MODE), AND CUT
Frequency MHz
10.0~10.999
11.000~13.999
14.000~15.999
16.000~40.000
ESR(Ω)
60 Max
50 Max
40 Max
30 Max
Mode/cut
Fund./AT
Fund./AT
Fund./AT
Fund./AT
Frequency MHz
35.000~39.999
40.000~49.999
50.000~89.999
90.000~150.000
ESR (Ω)
100 Max
80 Max
50 Max
100 Max
Mode/cut
3rd Overtone/AT
3rd Overtone/AT
3rd Overtone/AT
5th Overtone/AT
Cardinal Components, Inc., 155 Rt. 46 W, Wayne, NJ. 07470 TEL: (973)785-1333 FAX: (973)785-0053
http://www.cardinalxtal.com
E-Mail: cardinal@cardinalxtal.com
33
Embedded System
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