CSM-4AX
SMD 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.
CSM-4AX SMD CRYSTAL
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency
Mode of Oscillation
Frequency Tolerance*
Frequency Stability*
Shunt Capacitance
Load Capacitance
Drive Level
Operating Temperature*
Storage Temperature
Aging (First Year)
Fundamental
@ +25°C
-10 ~ +70°C
CONDITIONS
MIN
CSM-4AX
TYP
MAX
UNITS
30.000
± 30
± 50
7
MHz
ppm
ppm
pF
pF
μW
°C
°C
ppm
3.57
Co
Specify in P/N
D
L
T
opr
T
stg
@ +25°C ±3°C
Frequency (MHz)
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
-10
-55
10
20
Cost Effective
Low Profile
Industry Standard Footprint
Pb Free/RoHS Compliant
Series
500
+70
+125
±5
DIMENSIONS (mm)
ESR Ω Max.
200
150
100
80
60
40
30
Figure 1)
Top, Side, and End
Figure 2)
Suggested land
pattern
PART NUMBERING GUIDE: Example ECS-200-20-28AX-TR
ECS - FREQUENCY ABBREVIATION
LOAD
CAPACITANCE
20 = 20 pF
S = Series
PACKAGE
Tolerance
28AX = 5.0 mm
28ALX = 4.0 mm
Blank = Std
A = ± 25
ppm
J = ± 20
ppm
R = ± 15
ppm
C = ± 10
ppm
AVAILABLE OPTIONS
Stability
Blank= Std
D= ±100 ppm
E = ± 50 ppm
G = ± 30 ppm
H = ± 25 ppm
T = ± 20 ppm †
W = ±15 ppm †
K = ± 10 ppm †
PACKAGING
Temp Range
Blank= Std
L = -10 ~ +70°C
M = -20 ~ +70°C
Y = -30 ~ +85°C
N = -40 ~ +85°C
P = -40 ~ +105°C
S = -40 ~ +125°C
U = -55 ~ +125°C
TR =
Tape
& Reel
1K/Reel
ECS
200 = 20.000 MHz
See P/N Guide
* Specify available options in P/N.
† Contact ECS for availability over extended temp range.
Rev.2017
15351 West 109
th
Street
|
Lenexa, KS 66219
|
Phone: 913.782.7787
|
Fax: 913.782.6991
|
www.ecsxtal.com
CSM-4AX
SMD CRYSTAL
POCKET TAPE DIMENSIONS (mm)
SOLDER PROFILE
Peak solder Temp +260°C Max 10 sec Max.
2 Cycles Max.
MSL 1, Lead Finish Ag
DEVELOPED FREQUENCIES
Abbreviation
Frequency (MHZ)
036
3.6864
040
4.000
060
6.000
073
7.3728
080
8.000
100
10.000
110.5
11.0592
120
12.000
122.8
12.288
143
14.31818
147.4
14.7456
160
16.000
184
18.432
200
20.000
240
24.000
250
25.000
Figure 1)
Suggested Reflow Profile
15351 West 109
th
Street
|
Lenexa, KS 66219
|
Phone: 913.782.7787
|
Fax: 913.782.6991
|
www.ecsxtal.com
电机驱动控制（Motor Control）
