PACKAGE HANDLING
SPECIFICATIONS
o
The CX crystal is hermetically sealed in a ceramic
package. Normal handling and soldering precautions for
small, low thermal mass parts are adequate when
installing or testing CX crystals. CX crystals may be wave
soldered, with proper precaution taken to avoid
desoldering the leads. A slow machine rate or too high a
pre-heat temperature or solder bath temperature can
damage the crystals. Lead to package solder
interface temperature should not exceed 175oC,
glass lid to package seal rim temperature should
not exceed 210oC. If the seal rim reaches temperatures
above the maximum specified, the package may lose its
hermeticity. Loss of hermeticity results in a frequency
decrease and motional resistance increase.
Specifications are typical at 25 C unless otherwise noted.
Specifications are subject to change without notice.
10 MHz
60
Motional Capacitance C1 (fF) 2.8
Quality Factor Q (k) 95
Shunt Capacitance C (pF) 1.4
32MHz 155.52 MHz
Motional Resistance R1 (
⍀)
20
50
7.8
36
0.5
41
2.4
3.2
o
Calibration Tolerance*
A
B
C
+_ 0.01% ( +_ 100ppm)
+_ 0.1%
+_ 1.0%
Load Capacitance
Drive Level
20 pF (Unless specified by customer)
500 W MAX.
+
Frequency-Temperature
Stability**
-10OC to +70OC from _ 10ppm
+
-40OC to +85OC from _ 20ppm
PACKAGING
+
-55OC to +125OC from _ 30ppm
CX-2-Leaded -Tray Pack (Standard)
Aging, first year
5ppm MAX.
Shock, survival***
Vibration, survival
Operating Temperature
3,000g, 0.2 msec., 1/ 2 sine
20g rms, 10-2,000 Hz random
-10OC to +70OC Commercial
-40OC to +85OC Industrial
-55OC to +125OC Military
CONVENTIONAL CMOS
PIERCE OSCILLATOR CIRCUIT
Storage Temperature
-55OC to +125OC
Rf
Max Process Temperature See package handling
BUFFER
OSC
Note: The characteristics of the frequency temperature stability follow that of AT
cut thickness-shear mode.
+
* Tighter tolerances available as low as _ 5 ppm
** Does not include calibration tolerance
*** Higher shock version available
RA
Freq (f )
AMPLIFIER
CS
O
Contact factory for
design guidelines
CG
CD
CX-2
CX-1
HOW TO ORDER CX-2 LEADED CRYSTALS
CX-2
-03
32 MHz
(
25ppm
/
25ppm
Frequency
Stability over Tolerance
Temp. Range
/
50ppm
/
I
)
“S” if special or O.T.=3RD O.T. Mode C=Ceramic Lid Leads Frequency
custom design. Blank=Fundamental Blank=Glass Lid -02
Blank if Std.
Calibration
Tolerance*
@25OC
(A)
Total Frequency Temp. Range:
C = Commercial
I = Industrial
M = Military
Mode
-03
-04
(B)
S = Specify
(C)
*Other calibrations fill in ppm.
10140 - Rev C
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
STATEK [ STATEK CORPORATION ]
