CX-1-SM CRYSTAL
8 MHz to 160 MHz
TM
Miniature AT
-Cut Surface Mount Crystal
Fundamental Mode: 8 MHz - 70 MHz
Third Overtone Mode: 48 MHz - 160 MHz
DESCRIPTION
STATEK’s miniature CX-1-SM AT-cut crystals in leadless
ceramic packages are designed for surface mount on printed
circuit boards or hybrid circuits. Due to its robust design, this
product has gained wide acceptance in the industry.
Maximum process temperature should not exceed 260
O
C.
FEATURES
actual size
side view
Designed for surface mount applications using
infrared, vapor phase, wave solder or epoxy
mount techniques.
Low profile hermetically sealed ceramic package
Excellent aging characteristics
Available with glass or ceramic lid
High shock and vibration resistance
Custom designs available
Full military testing available
Designed and manufactured in the USA
APPLICATIONS
PACKAGE DIMENSIONS
D
A
TOP
BOTTOM
E
D
B
E
C
Industrial, Computer & Communications
General Purpose clock oscillator
PCMCIA (FAX, Modem and LAN)
Smart card
PDA and notebook computers
Military & Aerospace
Airborne hybrid computer
Military high speed modem
DIM
A
B
C
D
E
EQUIVALENT CIRCUIT
TYP.
INCHES
.315
.140
-
.045
.060
mm
8.00
3.56
-
1.14
1.52
.330
.155
.055
.070
MAX.
INCHES
mm
8.38
3.94
1.40
1.78
see below
DIM “C”
MAX
SM1
SM2
GLASS LID
INCHES
.065
.067
.070
mm
1.65
1.70
1.78
CERAMIC LID
INCHES
.O7O
.072
.075
mm
1.78
1.83
1.90
C
0
1
L
1
C
1
R
1
2
SM3
R
1
Motional Resistance L
1
Motional Inductance
C
1
Motional Capacitance C
0
Shunt Capacitance
10107 - Rev A
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
SPECIFICATIONS
TERMINATIONS
Specifications are typical at 25oC unless otherwise noted.
Specifications are subject to change without notice.
10 MHz 32MHz 155.52 MHz
Motional Resistance R
1
( ) 50
Motional Capacitance C
1
(fF) 5.5
Quality Factor Q (k)
Calibration Tolerance*
80
A
B
Load Capacitance
Drive Level
Frequency-Temperature
Stability**
+
_
+
_
20
7.8
36
2.6
_
0.01% (
+
100ppm)
50
0.5
41
3.2
Designation
SM1
SM2
SM3
Termination
Gold Plated
Nickel, Solder Plated
Nickel, Solder Plated and Solder Dipped
PACKAGING
Shunt Capacitance Co (pF) 2.2
0.1%
CX-1-SM - Tray Pack (Standard)
- 16mm tape, 7” or 13” reels (Optional)
Per EIA 481 (see data sheet 10109)
_
C
+
1.0%
20 pF
(Unless specified by customer)
500 W MAX.
-10
O
C to +70
O
C from
-40
O
C to +85
O
C from
-55
O
C to +125
O
C from
5ppm MAX.
3,000g, .3 msec., 1/2 sine
20g rms, 10-2,000 Hz random
-10
O
C to +70
O
C Commercial
-40
O
C to +85
O
C Industrial
-55
O
C to +125
O
C Military
-55
O
C to +125
O
C
260
O
C for 20 sec.
INCHES[mm]
+
_
+
_
+
_
10ppm
20ppm
30ppm
SUGGESTED LAND PATTERN
.070[1.78]
Aging, first year
Shock, survival***
Vibration, survival
Operating Temperature
.160[4.06]
.270[6.86]
Storage Temperature
Max Process Temperature
CONVENTIONAL CMOS
PIERCE OSCILLATOR CIRCUIT
R
f
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, refer to data sheet model CX-1HG (10108)
BUFFER
OSC
Freq (f
O
)
Contact factory for
design guidelines
AMPLIFIER
C
S
R
A
C
G
CX-1
C
D
HOW TO ORDER CX-1-SM CRYSTALS
CX-1
“S” if special or
custom design.
Blank if Std.
SM1
32 MHz
(
25ppm
Calibration
Tolerance*
@25
O
C
(A)
(B)
(C)
/
25ppm
/
50ppm
/
I
)
O.T.=3
RD
O.T. Mode C=Ceramic Lid SM1 Frequency
Blank=Fundamental Blank=Glass Lid SM2
Mode
SM3
Frequency
Total Frequency Temp. Range:
Stability over Tolerance
C = Commercial
Temp. Range
I = Industrial
M = Military
S = Specify
*Other calibration fill in ppm.
10107 - Rev A
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
TAPE AND REEL
Surface Mount Miniature Quartz Crystal
™
Tape and Reel Packaging for STATEK’s Surface
Mount Quartz Crystals, per EIA-481A
REEL SELECTION
Unless otherwise specified, the following reel sizes will be
used for the quantities listed.
PACKAGE
STYLE
CX-1
CX-2
CX-3
CX-4
CX-6
CX-7
1000
2000
2000
3000
2000
3000
ORIENTATION
(Standard unless otherwise specified)
REEL SIZE AND
MAX QUANTITIES
7 in. [180mm]
13 in.[330mm]
4000
8000
8000
12,000
8000
12,000
THERMAL PLASTIC WHEEL
13 +0.5
O
CX-1
CX-2
CX-3
CX-4
CX-6
CX-7
Random*
Single pad toward holes
Random*
Random*
Random*
Random*
40
21 +1.0
70 +2.0
80 +2.0
120
O
* T-pads toward holes if specified.
PART TO PART INDEXING
P AND A
0
& B
0
DIMENSIONS
1
2 +0.5
P
1
CX-1
CX-2
CX-3
CX-4
CX-6
CX-7
8.0
4.0
4.0
4.0
4.0
4.0
A
0
4.0
2.8
2.8
2.1
2.8
2.1
P
0
B
0
8.4
7.1
7.1
5.5
7.1
5.5
Notes:
1. Reel sketch and dimensions are in mm and are for reference only.
2. Dimension “A” is reel size diameter.
3. The center hole (hub hole) diameter is the EIA-481 standard 13 mm size.
BOTTOM VIEW
Showing crystal package in carrier tape cavity
Note: Dimensions are in millimeters.
1.5 Dia. Min.
1.75
7.5
B0
16
Example: CX-1 T-pads toward
holes when specified
Example: CX-2 standard
orientation
A0
Cavity Pitch
P
1
1.5 Dia. Min.
The indexing holes are at a standard 4mm pitch (P
0
)
Standard Tape Carrier: for CX-1, CX-2, CX-3, CX-6: 2701 Non conductive (Polyester)
for CX-4, CX-7: 3000 Black conductive (Polycarbonate)
10109 - Rev B
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com
A + 2.0
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