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