15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
PARAMETERS
CONDITIONS
ECX-64
UNITS
MIN
TYP
MAX
Frequency
7.3728
50.000
MHz
Mode of Oscillation
Fundamental
Frequency Tolerance*
@ +25°C
± 30
ppm
Frequency Stability*
-10 ~ +70°C
± 50
ppm
Shunt Capacitance
Co
7
pF
Load Capacitance
Specify in P/N
10
20
Series
pF
Drive Level
DL
100
μW
Operating Temperature*
Topr
-10
+70
°C
Storage Temperature
Tstg
-55
+125
°C
Aging (First Year)
@ +25°C ±3°C
±5
ppm
LOAD
CAPACITANCE
PACKAGE
AVAILABLE OPTIONS
Tolerance Stability Temp Range
PACKAGING
Pad Connections
1
In/Out
2
Gnd
3
Out/In
4
Gnd
Frequency (MHz) ESR Ω Max.
7.3728 ~7.999
100
8.000 ~ 9.999
60
10.000 ~ 13.999
50
14.000 ~ 19.999
40
20.000 ~ 50.000
30
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
The ECX-64 is a miniature SMD Crystal with a 6 x 3.5 mm 4 pad
footprint. This cost effective package with a height of 1.1 mm is
ideal for densely populated PCB applications
ECX-64
SMD CRYSTAL
ECX-64 SMD CRYSTAL
• Compact and Low Profile
• Industry Standard Footprint
• Extended Temp. Range Option
• RoHS Compliant
• 6 x 3.5 mm (4 Pad)
DIMENSIONS (mm)
PART NUMBERING GUIDE: Example ECS-200-20-23B-TR
Figure 1) Top, Side, and Bottom
Crystal is symmetrical, pad 1 & 2 are interchangeable.
Chamfer on the bottom pad has no electrical
significance.
200 = 20.000 MHz
See P/N Guide
20 = 20 pF
S = Series
23B =
ECX-64
Blank = Std
A = ± 25 ppm
J = ± 20 ppm
R = ± 15 ppm
C = ± 10 ppm
TR =
Tape
& Reel
1K/Reel
Rev.2017
ECS
* Specify available options in P/N.
† Contact ECS for availability over extended temp range.
Blank= Std
D= ±100 ppm
E = ± 50 ppm
G = ± 30 ppm
H = ± 25 ppm
T = ± 20 ppm †
W = ±15 ppm †
K = ± 10 ppm †
Blank= Std
M = -20 ~ +70°C
Y = -30 ~ +85°C
N = -40 ~ +85°C
P = -40 ~ +105°C
S = -40 ~ +125°C
U = -55 ~ +125°C
Figure 2) Suggested land
pattern
Request a Sample
15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
DEVELOPED FREQUENCIES
Abbreviation
Frequency (MHZ)
73
7.3728
80
8.000
120
12.000
147.4
14.7456
160
16.000
200
20.000
250
25.000
270
27.000
286.36
28.636
SOLDER PROFILE
Peak solder Temp +260°C Max 10 sec Max.
2 Cycles Max.
MSL 1, Lead Finish Au
POCKET TAPE DIMENSIONS (mm)
ECX-64
SMD CRYSTAL
Figure 1) Suggested Reflow Profile