ꢀ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
CSM-4AX
UNITS
PARAMETERS
CONDITIONS
MIN
TYP
MAX
Frequency Range
fo
at +25°C
Standard -10 to +70°C
Co
3.57
70.00
± 30
± 50
7
Series
500
+70
+125
±5
MHz
ppm
ppm
pF
pF
µW
°C
Frequency Tolerance
Frequency Stability
Shunt Capacitance
Load Capacitance (CL)
Drive Level
Operating Temperature
Storage Temperature
Aging (Per Year)
Specify in P/N
10
20
-10
-55
°C
ppm
@ +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
5.000 ~ 5.999
6.000 ~ 6.999
7.000 ~ 8.999
Fundamental
Fundamental
Fundamental
Fundamental
200
150
100
80
9.000 ~ 12.999
13.000 ~ 19.999
20.000 ~ 30.000
27.000 ~ 80.000
Fundamental
Fundamental
Fundamental
3rd Overtone
60
40
30
100
PACKAGE DIMENSIONS (mm)
Height "H" MAX
-28AX
-5.0 mm
-4.0 mm
-28ALX
Figure 2) Crystal Connectrions
Figure 3) Land Pattern
Figure 1) Top, Side, Bottom and End
views
Custom Options
PART NUMBERING GUIDE: Example ECS-200-20-28AX-TR
ECS - Frequency Abbreviation - Load Capacitance - Package
Tolerance
*Stability
Temperature
-
Packaging
D= ± 100 ppm
E= ± 50 ppm
G= ± 30 ppm
H= ± 25 ppm
T= ± 20 ppm
W= ± 15 ppm
K= ± 10 ppm
28AX = 5.0 mm
28ALX= 4.0 mm
TR= Tape
& Reel
1K/Reel
200 = 20.000 MHz
See P/N Guide
M= -20 ~ +70°C
N= -40 ~ +85°C
P= -40 ~ +105°C
S= -40 ~ +125°C
U= -55 ~ +125°C
20 =20 pF
S=Series
A= ± 25 ppm
J= ± 20 ppm
R= ± 15 ppm
C= ± 10 ppm
1105 South Ridgeview Road
z
Olathe, KS 66062
z
Phone: 913.782.7787
z
Fax: 913.782.6991
z
www.ecsxtal.com