Cost effective
Low profile
Industry Standard Footprint
Pb Free/RoHS Compliant
MSL 1
CSM-4AX
SMD Quartz Crystal
The CSM-4AX is an excellent choice for a low cost SMD
crystal. The CSM-4AX (28AX) has a case height of 5.0 mm
Max. in a resistance weld metal package. Lower profile package
height of 4.0 mm Max. is available with the (28ALX) package.
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency Range
Frequency Tolerance
Frequency Stability
Shunt Capacitance
Load Capacitance (CL)
Drive Level
Operating Temperature
Storage Temperature
Aging (Per Year)
CONDITIONS
f
o
at +25°C
Standard -10 to +70°C
C
o
Specify in P/N
CSM-4AX
MIN
3.57
TYP
MAX
70.00
± 30
± 50
7
Series
500
+70
+125
±5
UNITS
MHz
ppm
ppm
pF
pF
µW
°C
°C
ppm
10
-10
-55
20
@ +25°C ±3°C
EQUIVALENT SERIES RESISTANCE/MODE OF OSCILLATION
FREQUENCY RANGE
(MHz)
MODE OF OSC MAX ESR
Ω
FREQUENCY RANGE
(MHz)
MODE OF OSC MAX ESR
Ω
3.57 ~ 4.999
Fundamental
200
9.000 ~ 12.999
Fundamental
60
5.000 ~ 5.999
Fundamental
150
13.000 ~ 19.999
Fundamental
40
6.000 ~ 6.999
Fundamental
100
20.000 ~ 30.000
Fundamental
30
7.000 ~ 8.999
Fundamental
80
27.000 ~ 80.000
3rd Overtone
100
PACKAGE DIMENSIONS (mm)
Height "H" MAX
-28AX
-28ALX
-5.0 mm
-4.0 mm
Figure 2) Crystal Connectrions
Figure 1) Top, Side, Bottom and End
views
Figure 3) Land Pattern
PART NUMBERING GUIDE: Example ECS-200-20-28AX-TR
ECS - Frequency Abbreviation - Load Capacitance
200 = 20.000 MHz
See P/N Guide
20 =20 pF
S=Series
- Package
28AX = 5.0 mm
28ALX= 4.0 mm
Custom Options
Tolerance
A= ± 25 ppm
J= ± 20 ppm
R= ± 15 ppm
C= ± 10 ppm
*Stability
D= ± 100 ppm
E= ± 50 ppm
G= ± 30 ppm
H= ± 25 ppm
T= ± 20 ppm
W= ± 15 ppm
K= ± 10 ppm
Temperature
M= -20 ~ +70°C
N= -40 ~ +85°C
P= -40 ~ +105°C
S= -40 ~ +125°C
U= -55 ~ +125°C
-
Packaging
TR= Tape
& Reel
1K/Reel
1105 South Ridgeview Road
Olathe, KS 66062
Phone: 913.782.7787
Fax: 913.782.6991
www.ecsxtal.com
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