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CX-7-SM Datasheet(PDF) 2 Page - STATEK CORPORATION

Part No. CX-7-SM
Description  Ultra-Miniature, Low Profile AT-Cut Surface Mount Crystal
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Maker  STATEK [STATEK CORPORATION]
Homepage  http://www.statek.com
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CX-7-SM Datasheet(HTML) 2 Page - STATEK CORPORATION

   
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STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
10155 - Rev A
TERMINATIONS
Designation
Termination
SM1
Gold Plated
SM2
Nickel, Solder Plated
SM3
Nickel, Solder Plated and Solder Dipped
SPECIFICATIONS
Specifications are typical at 25oC unless otherwise noted.
Specifications are subject to change without notice.
49 MHz
Motional Resistance R1(k )14
Motional Capacitance C1 (fF)
2.4
Quality Factor Q (k)
100
Shunt Capacitance Co (pF)
0.8
Calibration Tolerance*
A 0.01% ( 100ppm)
B 0.1%
C 1.0%
Load Capacitance
10pF (unless specified by customer)
Drive Level
200
W MAX.
Frequency-Temperature
-10
OC to +70OC from
10ppm
Stability**
-40
OC to +85OC from
35ppm
-55
OC to +125OC from
50ppm
Aging, first year
5ppm MAX.
Shock, survival***
5,000g peak 0.3 msec., 1/2 sine
Vibration, survival
20g rms, 10-2,000 Hz random
Operating Temperature
-10
OC to +70OC Commercial
-40
OC to +85OC Industrial
-55
OC to +125OC Military
Storage Temperature
-55
OC to +125OC
Max Process Temperature 260
OC for 20 sec.
Note: The characteristics of the frequency temperature stability
follow that of AT-Cut thickness-shear mode.
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AMPLIFIER
BUFFER
C
G
C
D
R
A
CX-1
Contact factory for
design guidelines
OSC
Freq (f )
O
R
f
C
S
CONVENTIONAL CMOS
PIERCE OSCILLATOR CIRCUIT
CX-7
PACKAGING
CX-7-SM
-Tray Pack (Standard)
-16mm tape, 7” or 13” reels (Optional)
Per EIA 481 (see data sheet 10109)
C
0
C
1
R
1
2
1
L
1
EQUIVALENT CIRCUIT
R
1 Motional Resistance
L
1 Motional Inductance
C
1 Motional Capacitance
C
0 Shunt Capacitance
* Tighter tolerances available as low as 5 ppm
** Does not include calibration tolerance
*** Higher shock version available
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HOW TO ORDER CX-7-SM CRYSTALS
CX-7
SM1
49 MHz
(
50
/
50
/
100
/
I
)
C=Ceramic Lid
SM1
Frequency
*Calibration
*Frequency
Total Frequency Temp. Range:
Blank=Glass Lid
SM2
Tolerance
Stability over
Tolerance
C = Commercial
SM3
@25
OC
Temp. Range
I = Industrial
(A)
M = Military
(B)
S = Specify
(C)
*Other calibration fill in ppm.
“S” if special or
custom design.


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