19
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
SMD CRYSTALS
SMD CRYSTALS
7.0
± 0.5
1.7 Max.
#1
#2
#3
#4
4.5
2.2
2.2
4.1
FEATURES
• Glass sealed ceramic package
• Tight stability / high reliability
• Wide frequency range
• High frequency fundamental available
• Two optional footprints
• Tape & Reel (1,000 pcs)
CSM-8 SERIES
SMD QUARTZ CRYSTAL
PACKAGE DIMENSIONS (mm)
Figure 1) CSM-8 – Side and Top view
Figure 2) CSM-8A – Pad Configuration
Bottom view
Figure 5) CSM-8A – Recommended
Solder Pad Layout
Top view
#4
1.2
5.08
2.0
2.0
4.0
Figure 3) CSM-8B – Pad Configuration
Bottom view
Figure 6) CSM-8B – Recommended
Solder Pad Layout
Top view
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.
PART NUMBERING GUIDE “EXAMPLE”
FREQUENCY (16.000MHz)
LOAD CAPACITANCE*
PACKAGE TYPE**
ECS
–
160
–
20
–
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
CONDITIONS
MINIMUM
TYPICAL
MAXIMUM
UNITS
FREQUENCY RANGE
f0
9.8
100.0
MHz
CALIBRATION TOLERANCE
@ +25˚C
-30
+30
PPM
FREQUENCY STABILITY, ref @ 25˚C
-10 ~ +70˚C
-50
+50
PPM
SHUNT CAPACITANCE
C0
5.0
pF
LOAD CAPACITANCE (CL)
(Customer Specified)
10.0
20.0 standard
Series
pF
DRIVE LEVEL (DL)
9.8 ~ 100.0MHz
0.5
mW
OPERATING TEMPERATURE
TOPR
-10
+70
˚C
STORAGE TEMPERATURE
TSTG
-40
+85
˚C
AGING (FIRST YEAR)
@ +25˚C
-5.0
+5.0
PPM
FREQUENCY RANGE (MHz)
MODE
MAX ESR
Ω
FREQUENCY RANGE (MHz)
MODE
MAX ESR
Ω
9.800 ~ 15.999
Fundamental
60
28.000 ~ 34.999
3rd O/T
80
16.000 ~ 42.000
Fundamental
40
35.000 ~ 100.000
3rd O/T
60
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
+ 30
- 30
- 10
25
60
f/f0
PPM
TEMP.(˚C)
Figure 4) Frequency vs Temperature Curve
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