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CSM-4A_14 Datasheet, PDF (1/2 Pages) ECS, Inc. – SMD QUARTZ CRYSTAL | |||
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CSM-4A SMD QUARTZ CRYSTAL
The CSM-4A SMD version of the HC-49US
leaded crystal. The CSM-4A has a case height
of 5 mm maximum in a resistance-weld
metal package. The CSM-4A is also pin out
compatible with the EPSON MA-506.
FEATURES
⢠Cost effective
⢠Resistance-weld sealing
⢠Extended Temp range available
⢠Tape & Reel (1,000 pcs)
PART NUMBERING GUIDE âEXAMPLEâ
MANUFACTURER
ECS
â
FREQUENCY (4.000 MHz)
40
â
LOAD CAPACITANCE*
20
PACKAGE TYPE
â
28A
* Load capacitance (xx=xx pF, S=series resonance) Package Type examples (-28A = 5.0 mm max. height, -28AL = 4.0 mm max. height)
Note: See Product Selection Guide for additional options including tighter tolerances or extended temperature range.
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
PARAMETERS
FREQUENCY RANGE
CALIBRATION TOLERANCE
FREQUENCY STABILITY ref @25ËC
SHUNT CAPACITANCE
LOAD CAPACITANCE
DRIVE LEVEL
OPERATING TEMPERATURE
STORAGE TEMPERATURE
AGING CHARACTERISTICS (Per Year)
CONDITIONS
@ +25ËC
-10 ~ +70ËC
CL (Customer Specified)
DL
TOPR**
TSTG
@ +25ËC ± 3ËC per year
MINIMUM
3.579545
10
-10
-30
* Tighter specifications are available. **Extended temperature range available.
TYPICAL
20.0 standard
EQUIVALENT SERIES RESISTANCE / MODE OF OSCILLATION
FREQUENCY RANGE (MHz)
3.579545 ~ 4.999
5.000 ~ 5.999
6.000 ~ 6.999
7.000 ~ 8.999
MODE OF OSC
Fundamental
Fundamental
Fundamental
Fundamental
MAX ESR â¦
200
150
100
80
FREQUENCY RANGE (MHz)
9.000 ~ 12.000
13.000 ~ 19.999
20.000 ~ 30.000
27.000 ~ 80.000
MAXIMUM
70.000
±30*
±50*
7
Series
500
+70
+85
±5
UNITS
MHz
PPM
PPM
pF
pF
µW
ËC
ËC
PPM
MODE OF OSC
Fundamental
Fundamental
Fundamental
3rd O/T
MAX ESR â¦
60
40
30
100
PACKAGE DIMENSIONS (mm)
12.5 max
4
3
4.85
2.0
4
max
REF
1
2
Height âHâ (max.)
-28A 5.0 mm
-28AL 4.0 mm
1
9.0
2.2
3
3.5
2
2.3
2.2
2.3
Figure 2) CSM-4A Internal Connections
Figure 3) Land Pattern
H
1.3 ± 0.1
(X4)
9.0 ± 0.1
Figure 1) CSM-4A - Top, Side and End views
1.2 ± 0.1
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 ⢠913-782-7787 ⢠800-237-1041 ⢠FAX 913-782-6991 ⢠WWW.ECSXTAL.COM
SMD CRYSTALS 18 SMD CRYSTALS
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