ECX-1637B
SMD CRYSTAL
The sub miniature ECX-1637B is a very compact SMD Crystal.
The 2.0 x 1.6 x 0.45 mm ceramic package is ideal for wireless
applications.
ECX-1637B SMD CRYSTAL
Request a Sample
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency
Mode of Oscillation
Frequency Tolerance*
Frequency Stability*
Fundamental
@ +25°C
(C option)
-30 ~ +85°C
(KY option)
CONDITIONS
MIN
ECX-1637B
TYP
MAX
UNITS
50.000
± 10
± 10
3
MHz
ppm
ppm
pF
pF
100
μW
°C
°C
ppm
ESR Ω Max.
150
70
50
40
+85
+125
±1
16.000
•
•
•
•
Low 1 Year Aging ±1 ppm Max.
2.0 x 1.6 mm Footprint
Extended Temp. Range Option
RoHS Compliant
st
Shunt Capacitance
Load Capacitance
Drive Level
Operating Temperature*
Storage Temperature
Aging (First Year)
Co
Specify in P/N
D
L
T
opr
(Y option)
8
-30
-55
DIMENSIONS (mm)
T
stg
@ +25°C ±3°C
Frequency (MHz)
16.000 ~ 19.999
20.000 ~ 23.999
24.000 ~ 39.999
40.000 ~ 50.000
Figure 1)
Top, Side, and Bottom
Crystal is symmetrical, pad 1 & 3 are interchangeable.
Chamfer on the bottom pad has no electrical
significance.
Pad Connections
1
In/Out
2
Gnd
3
Out/In
4
Gnd
PART NUMBERING GUIDE: Example ECS-240-8-37B-CKY-TR
PACKAGE
Tolerance
-37B =
ECX-1637B
Blank = Std
A = ± 25
ppm
J = ± 20
ppm
R = ± 15
ppm
C = ± 10
ppm
7 = ± 7 ppm
Figure 2)
Suggested land
pattern
PACKAGING
ECS - FREQUENCY ABBREVIATION
LOAD
CAPACITANCE
8 = 8 pF
10 = 10 pF
S=Series
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
†
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 =1K
TR3=3K
Qty/Reel
ECS
240 = 24.000 MHz
See P/N Guide
* Specify available options in P/N.
†
Contact ECS for availability over extended temp range.
Rev.2020
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th
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|
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|
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|
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|
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