CSM-8
SERIES
SMD QUARTZ CRYSTAL
The CSM-8 Series is a very cost effective,
low profile SMD quartz crystal. The glass
sealed ceramic package is available in three
optional land pad configurations. It is ideal
for PCMCIA, ethernet and fax modem card
applications.
FEATURES
• Glass sealed ceramic package
• Tight stability / high reliability
• Wide frequency range
• High frequency fundamental available
•
RoHS Compliant (Note 7 Exemption)
• Tape & Reel (1,000 pcs)
PART NUMBERING GUIDE
“EXAMPLE”
ECS
–
FREQUENCY (16.000MHz)
160
–
LOAD CAPACITANCE*
20
–
PACKAGE TYPE**
20A
* Load capacitance (xx=xx pF, S= series resonance), ** Package Type examples (20A = CSM-8A, 20B = CSM-8B)
Note: See Product Selection Guide for additional options.
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
FREQUENCY RANGE
CALIBRATION TOLERANCE
FREQUENCY STABILITY, ref @ 25˚C
SHUNT CAPACITANCE
LOAD CAPACITANCE (C
L
)
DRIVE LEVEL (D
L
)
OPERATING TEMPERATURE
STORAGE TEMPERATURE
AGING (FIRST YEAR)
CONDITIONS
f
0
@ +25˚C
-10 ~ +70˚C
C
0
(Customer Specified)
9.8 ~ 100.0MHz
T
OPR
T
STG
@ +25˚C
MINIMUM
9.8
-30
-50
10.0
-10
-40
-5.0
TYPICAL
MAXIMUM
100.0
+30
+50
5.0
Series
0.5
+70
+85
+5.0
UNITS
MHz
PPM
PPM
pF
pF
mW
˚C
˚C
PPM
20.0 standard
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
FREQUENCY RANGE (MHz)
9.800 ~ 15.999
16.000 ~ 42.000
MODE
Fundamental
Fundamental
MAX ESR
Ω
60
40
FREQUENCY RANGE (MHz)
28.000 ~ 34.999
35.000 ~ 100.000
MODE
3rd O/T
3rd O/T
MAX ESR
Ω
80
60
PACKAGE DIMENSIONS (mm)
1.7 Max.
#4
7.0
±
0.5
#3
1.2
5.0
±
0.2
5.0
±
0.2
4.5
1.0
5.08
#1
#2
#4
Figure 1) CSM-8 – Side and Top view
Figure 2) CSM-8A – Pad Configuration
Bottom view
Figure 3) CSM-8B – Pad Configuration
Bottom view
2.2
+ 30
- 10
4.1
2.2
1.4
2.0
- 30
25
60
TEMP.(˚C)
4.0
2.0
Figure 5) CSM-8A – Recommended
Solder Pad Layout
Top view
Figure 6) CSM-8B – Recommended
Solder Pad Layout
Top view
Figure 4) Frequency vs Temperature Curve
ECS, INC. INTERNATIONAL
1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
SMD CRYSTALS
19
SMD CRYSTALS
1.14
0
PPM
f/f
2.4
1.4
5.0 ± 0.2
2,54
2.0
ECS [ ECS, INC. ]
