CX7VSM CRYSTAL
80 kHz to 160 kHz
Ultra-Miniature, Low Profile
Surface Mount Quartz Crystal
DESCRIPTION
STATEK’s next generation ultra-miniature CX7VSM quartz
crystals feature an innovation in quartz crystal miniaturization
design and manufacturing process. The CX7VSM quartz
crystals are hermetically sealed in the smallest surface mount
ceramic package in the world! This high quality tuning fork
resonator is intended for use in Pierce oscillators.
FEATURES
PACKAGE DIMENSIONS
Designed for surface mount applications using infrared,
vapor phase, wave solder or epoxy mount techniques
Hermetically sealed ceramic package
Quartz crystal tuning fork design
High shock resistance
Excellent aging characteristics
Designed for low power applications
Full military testing available
Designed and manufactured in the USA
APPLICATIONS
A
TOP
BOTTOM
D
B
C
TYP.
DIM
A
B
C
D
INCHES
0.157
0.072
-
0.035
mm
4.00
1.83
-
0.89
0.162
0.085
0.045
MAX.
INCHES
mm
4.11
2.16
1.14
Medical
Pacemaker, defibrillator and hearing aid
Industrial, Computer & Communications
Smart card
Military & Aerospace
Airborne hybrid computer
Real time clock
MCM
see below
THICKNESS (DIM C) MAXIMUM
DIM “C”
MAX
SM1
SM2/SM4
SM3/SM5
GLASS LID
INCHES
0.045
0.046
0.048
mm
1.14
1.17
1.22
CERAMIC LID
INCHES
0.050
0.051
0.053
mm
1.27
1.30
1.35
SUGGESTED LAND PATTERN
EQUIVALENT CIRCUIT
C
0
1
L
1
C
1
R
1
2
R
1
Motional Resistance L
1
Motional Inductance
C
1
Motional Capacitance C
0
Shunt Capacitance
10152 - Rev D
S
YS
TEM
C
ERT
I
F
I
C
AT
N
IO
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256
www.statek.com
IS
O
90
01
SPECIFICATIONS
TERMINATIONS
Specifications are typical at 25
O
C unless otherwise noted.
Specifications are subject to change without notice.
100 kHz
153.6 kHz
Motional Resistance R
1
(kΩ)
Motional Capacitance C
1
(fF)
Quality Factor Q (k)
Shunt Capacitance Co (pF)
Load Capacitance (pF)
1
Turning Point (
o
C)
2
19
1.0
86
0.8
5
10
11
0.8
110
0.8
5
5
Designation
SM1
SM2
SM3
SM4
SM5
Termination
Gold Plated
Solder Plated
Solder Dipped
Solder Plated (Lead Free)
Solder Dipped (Lead Free)
PACKAGING OPTIONS
• Tray Pack (standard)
Standard Calibration Tolerance:
3
Glass Lid:
± 30 ppm
± 100 ppm
(0.003%)
(0.01%)
Ceramic Lid: ± 100 ppm
(0.01%)
Drive Level
Aging, first year
Shock, survival
4
Vibration, survival
Operating Temp. Range
± 1000 ppm
(0.1%)
0.5
μW
MAX
± 1000 ppm
(0.1%)
± 10000 ppm
(1.0%)
CONVENTIONAL CMOS
PIERCE OSCILLATOR CIRCUIT
Temperature Coefficient (k) -0.035 ppm/
O
C
2
5 ppm
5,000 g, 0.3 ms, 1/2 sine
20 g 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.
C
G
R
f
BUFFER
OSC
Freq (f
O
)
Contact factory for
design guidelines
AMPLIFIER
C
S
R
A
Storage Temp. Range
Max Process Temperature
CX-1
CX7
C
D
Note: Frequency (f
T
) at temperature (T) from frequency (f
0
) @
turning point temperature (T
0
); f-f
0
=
k(T-T )
2
0
f
0
1. Other load capacitance value available
2. Other temperature available
3. Tighter tolerances available
HOW TO ORDER CX7VSM CRYSTALS
CX7V
S
C
C = Ceramic Lid
Blank = Glass Lid
SM1
—
100.0K,
Frequency
K = kHz
100
Calibration
Tollerance
(in ppm)
@ 25
O
C
(in ppm)
/
I
Operating Temp. Range:
C = -10
O
C to +70
O
C
I
= -40
O
C to +85
O
C
M = -55
O
C to +125
O
C
S = Customer Specified
“S” if special or
custom design.
Blank if Std.
SM1 = Gold Plated (Lead Free)
SM2 = Solder Plated
SM3 = Solder Dipped
SM4 = Solder Plated (Lead Free)
SM5 = Solder Dipped (Lead Free)
10152 - Rev D
S
YS
TEM
C
ERT
I
F
I
C
AT
N
IO
STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256
www.statek.com
IS
O
90
01
DIY/Open Source Hardware
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