ECX-3SX
SMD CRYSTAL
Not Recommended for New Designs
The wide frequency range SMD quartz crystal is an excellent choice for surface
mount applications. The moulded package is made from the same
thermoplastic that is an industry standard for integrated circuits.
Request a Sample
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
ECX-3SX SMD CRYSTAL
PARAMETERS
CONDITIONS
ECX-3SX
MIN
Frequency
3.570
MHz
@ +25°C
± 30
ppm
Frequency Stability
-10 ~ +70°C
± 50
ppm
Shunt Capacitance
Co
7.0
pF
Load Capacitance
Specify in P/N
Drive Level
Low Profile
Industry Standard Footprint
Extended Temp. Range Option
RoHS Compliant
MAX
70.000
Frequency Tolerance
•
•
•
•
TYP
UNITS
20
DL
pF
100
μW
Operating Temperature*
Topr
-10
+70
°C
Storage Temperature
Tstg
-40
+85
°C
±5
ppm
Aging (First Year)
DIMENSIONS (mm)
@ +25°C ±3°C
Frequency (MHz)
3.57 ~ 3.999
4.000 ~ 5.999
6.000 ~ 9.999
10.000 ~ 35.999
27.000 ~ 70.000
ESR Ω Max.
200
150
100
50
100
Mode of Osc.
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
Figure 1) Top, Side, and End
Figure 2) Suggested land
pattern
PART NUMBERING GUIDE: Example ECS-160-20-7SX-TR
ECS - FREQUENCY ABBREVIATION
ECS
160 = 16.000 MHz
See Developed
Frequencies Pg. 2
LOAD
CAPACITANCE
20 = 20 pF
S = Series
PACKAGE
7SX =
ECX-3SX
PACKAGING
TR =
Tape
& Reel
1K/Reel
Rev.06/2021
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
ECX-3SX
SMD CRYSTAL
DEVELOPED FREQUENCIES
Abbreviation
Frequency (MHZ)
35
3.579545
36
3.6864
40
4.000
41
4.096
42
4.194304
49
4.9152
50
5.000
60
6.000
61
6.144
73
7.3728
80
8.000
81.92
8.192
92.1
9.216
98.3
9.8304
100
10.000
110.5
11.0592
120
12.000
DEVELOPED FREQUENCIES
Abbreviation
Frequency (MHZ)
122.8
12.288
125
12.500
135.0
13.500
143
14.31818
147.4
14.7456
160
16.000
163
16.384
180
18.000
184
18.432
196.6
19.6608
200
20.000
221
22.1184
240
24.000
245.7
24.576
250
25.000
283.2
28.322
294.9
29.4912
*Contact ECS for availability of frequencies not listed in table.
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
ECX-3SX
SMD CRYSTAL
POCKET TAPE DIMENSIONS (mm)
SOLDER PROFILE
Peak solder Temp +260°C Max 10 sec Max.
2 Cycles Max.
MSL 1, Lead Finish Sn/Cu
Figure 1) Suggested Reflow Profile
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
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