ECX-1637BQ
SMD CRYSTAL
The sub miniature ECX-1637BQ is a very compact SMD Crystal with
low aging and AECQ-200 qualified. The 2.0 x 1.6 x 0.45 mm ceramic
package is ideal for automotive and industrial applications.
ECX-1637BQ 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-1637BQ
TYP
MAX
UNITS
MHz
ppm
ppm
pF
pF
200
μW
°C
°C
ppm
ESR Ω Max.
150
70
50
40
+85
+125
±1
16.000
50.000
± 10
± 10
3
8
•
•
•
•
Low 1
st
Year Aging ±1 ppm Max.
2.0 x 1.6 mm Footprint
Extended Temp. Range Option
AEC-Q200
Shunt Capacitance
Load Capacitance
Drive Level
Operating Temperature*
Storage Temperature
Aging (First Year)
Co
Specify in P/N
D
L
T
opr
(Y option)
-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-240-8-37BQ-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
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
†
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
240 = 24.000 MHz
See P/N Guide
* Specify available options in P/N.
†
Contact ECS for availability over extended temp range.
Rev.2020
15351 West 109
th
Street
|
Lenexa, KS 66219
|
Phone: 913.782.7787
|
Fax: 913.782.6991
|
www.ecsxtal.com
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