FIGURE 1
CX-3V TYPICAL MOTIONAL RESISTANCE (R1)
SPECIFICATIONS
Specifications are typical at 25OC unless otherwise noted.
Specifications are subject to change without notice.
300
200
100
Frequency Range
Functional Mode
Calibration Tolerance*
(see below)
18 kHz to 600 kHz
Tuning Fork (Flexure)
A, B or C
50
20
10
Motional Resistance (R1)
See Figure 1
MAX.: 18-25 kHz, 2x Typ.
25-600 kHz, 2.5x Typ.
Motional Capacitance (C1) Figure 2
5
2
Quality Factor (Q)
Figure 3
18
50
100 200
Frequency (kHz)
600
Min. is 0.25x Typ.
1.8 pF MAX.
Shunt Capacitance (C0)
Drive Level
FIGURE 2
CX-3V TYPICAL MOTIONAL CAPACITANCE (C1)
18-25 kHz 0.5
W MAX.
25-600 kHz 1.0
Figure 4
W MAX.
5
Turning Point (T )**
o
Temperature Coefficient (k) -0.035 ppm/ 0C2
2
Aging, first year
Shock***
Vibration, survival***
Operating Temperature
5ppm MAX.
1.0
1,500g peak, 0.3 msec., 1/2 sine
10g rms, 20-2,000 Hz random
-10OC to +70OC Commercial
-40OC to +85OC Industrial
-55OC to +125OC Military
-55OC to +125OC
0.5
18
50
100 200
Frequency (kHz)
600
FIGURE 3
CX-3V TYPICAL QUALITY FACTOR (Q)
Storage Temperature
300
200
Max Process Temperature 260OC for 20 sec.
100
* Tighter frequency calibration available.
** Other turning point available.
*** Higher shock and vibration available.
50
CX-3V Crystal Calibration Tolerance at 25OC
20
18
50
100 200
Frequency (kHz)
600
Frequency Range (kHz)
FIGURE 4
CX-3V TYPICAL TURNING POINT TEMP. (T0)
Calibration 18-74.9 75-169.9 170-249.9 250-600
+80
+70
+60
+50
+40
+30
+20
+10
0
+
+
A
B
C
+_ 0.003% _ 0.005% _ 0.01%
+_ 0.02%
+_ 0.05%
+_ 0.5%
+
+_ 0.01% _ 0.01%
+_ 0.02%
+_ 0.2%
+_ 0.1%
+_ 0.1%
*** Other calibration values available, consult factory.
Load Capacitance (C ), Used to Calibrate CX-3V
L
(other C available)
L
-10
-20
18
50
100
200
Frequency (kHz)
600
Frequency Load
Frequency
Range
(kHz)
Load
Capacitance
(pF)
Range
(kHz)
Capacitance
(pF)
Note: Frequency (f) deviation from frequency (f ) @ turning point
o
2
f-f
fO
O
= k(T-T )
O
18-24.9
25-54.9
55-100.0
10
9
8
100.1-179.9
180-600
5
4
TERMINATIONS
Designation
SM1
Termination
Gold Plated
HOW TO ORDER CX-3V-SM CRYSTALS
SM2
SM3
Nickel, Solder Plated
Nickel, Solder Plated and Solder Dipped
CX-3V
-SM1
32.768 kHz
(
A
/
I
)
“S” if special
or custom
design.
SM1 Frequency Calibration
Temp. Range:
C = Commercial
I = Industrial
M = Military
PACKAGING
SM2
SM3
Tolerance*
@ 250C
(A)
CX-3V-SM - Tray Pack (Standard)
Blank if Std.
Blank = Glass Lid
C=Ceramic Lid
-16mm tape, 7” or 13” reels (Optional)
Per EIA 481 (see data sheet 10109)
(B)
(C)
S = Specify
*Other calibration fill in ppm.
10104 - Rev A
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
STATEK [ STATEK CORPORATION ]
