FIGURE 1
CX3H TYPICAL MOTIONAL RESISTANCE (R1)
SPECIFICATIONS
1000
500
Specifications are typical at 25OC unless otherwise noted.
Specifications are subject to change without notice.
Frequency Range
Functional Mode
18 kHz to 600 kHz
Tuning Fork (Flexure)
Standard Calibration Tolerance* (see table below)
100
2
0
0
Motional Resistance (R1)
See Figure 1
MAX: 18-25 kHz, 2x Typ.
50
25-600 kHz, 2.5x Typ.
20
10
Motional Capacitance (C1) Figure 2
Quality Factor (Q)
Figure 3
18
50
100 200
600
MIN is 0.25x Typ.
Frequency (kHz)
Shunt Capacitance (C0)
Drive Level
1.8 pF MAX.
18-24.9 kHz 0.5
25-600 kHz 1.0
FIGURE 2
CX3H TYPICAL MOTIONAL CAPACITANCE (C1)
µW MAX.
µW MAX.
5
Turning Point (T )**
Figure 4
0
2
Temperature Coefficient (k) -0.035 ppm/0C2
1.0
Aging, first year
5 ppm MAX
Shock, survival***
Vibration, survival***
Operating Temp. Range
1,500 g peak, 0.3 ms, 1/2 sine
10 g RMS, 20-2,000 Hz random
0.5
18
50
100 200
600
Frequency (kHz)
-10OC to +70OC (Commercial)
-40OC to +85OC (Industrial)
-55OC to +125OC (Military)
FIGURE 3
CX3H TYPICAL QUALITY FACTOR (Q)
50
Storage Temp. Range
Max Process Temperature 260OC for 20 sec.
-55OC to +125OC
20
10
* Other calibration values available, consult factory.
** Other turning point available.
*** Higher shock and vibration available.
5
2
O
CX3H Standard Calibration Tolerance at 25 C
18
50
100
200
600
Frequency (kHz)
FIGURE 4
CX3H TYPICAL TURNING POINT TEMP. (T0)
Frequency Range (kHz)
18-74.9
+_ 30 ppm
(0.003%)
+_ 100 ppm
(0.01%)
75-169.9
170-249.9
250-600
+80
+70
+60
+50
+40
+30
+20
+10
0
+_ 50 ppm
(0.005%)
+_ 100 ppm
(0.01%)
+_ 100 ppm
(0.01%)
+_ 200 ppm
(0.02%)
+_200 ppm
(0.02%)
+_500 ppm
(0.05%)
+_ 1000 ppm _ 1000 ppm +_ 2000 ppm _5000 ppm
(0.1%) (0.1%) (0.2%) (0.5%)
+
+
-10
-20
TERMINATIONS
18
50
100 200
600
Designation
SM1
SM2
Termination
Gold Plated
Solder Plated
Solder Dipped
Frequency (kHz)
Note: Frequency f at temperature T is related to frequency f0 at
turning point temperature T0 by:
2
f-f0
f0
=
k(T-T )
0
SM3
HOW TO ORDER CX3HSM CRYSTALS
PACKAGING OPTIONS
CX3H
S
C
SM1
32.0K,
30
/
M
CX3HSM - Tray Pack
- Tape and Reel
Calibration
Tolerance
@ 25OC
Operating Temp. Range:
Frequency
K = kHz
C
I
= -10OC to +70OC
= -40OC to +85OC
“S” if special or
custom design.
Blank if Std.
(Reference tape and reel data sheet 10109)
SM1 = Gold Plated
SM2 = Solder Plated
SM3 = Solder Dipped
M = -55OC to +125OC
(in ppm)
S
= Customer Specified
Blank = Glass Lid
C = Ceramic Lid
10146 - Rev D
E
RSG Electronic Components GmbH - Sprendlinger Landstr. 115 - 63069 Offenbach - Germany - www.rsg-electronic.de
RSG [ RSG ELECTRONIC COMPONENTS GMBH ]
