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ECX-1637 Series Datasheet

ECS Inc.

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Datasheet

15351 West 109th Street | Lenexa, KS 66219 | Phone: 913.782.7787 | Fax: 913.782.6991 | www.ecsxtal.com
PARAMETERS
CONDITIONS
ECX-1637
UNITS
MIN
TYP
MAX
Frequency
16.000
80.000
MHz
Mode of Oscillation
Fundamental
Frequency Tolerance*
@ +25°C
± 50
ppm
Frequency Stability*
-20 ~ +70°C
± 50
ppm
Shunt Capacitance
Co
5
pF
Load Capacitance
Specify in P/N
8
pF
Drive Level
DL
100
μW
Operating Temperature*
Topr
-20
+70
°C
Storage Temperature
Tstg
-40
+85
°C
Aging (First Year)
@ +25°C ±3°C
±5
ppm
LOAD
CAPACITANCE
PACKAGE
AVAILABLE OPTIONS
Tolerance Stability Temp Range
PACKAGING
Frequency (MHz) ESR Ω Max.
16.000 ~ 23.999
100
24.000 ~ 25.999
80
26.000 ~ 39.999
60
40.000 ~ 80.000
50
Pad Connections
1
In/Out
2
Gnd
3
Out/In
4
Gnd
OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
The sub miniature ECX-1637 is a very compact SMD Crystal. The
2.0 x 1.6 x 0.45 mm ceramic package is ideal for today’s SMD
manufacturing environment.
ECX-1637
SMD CRYSTAL
ECX-1637 SMD CRYSTAL
Low Profile
2.0 x 1.6 mm Footprint
Extended Temp. Range Option
RoHS Compliant
DIMENSIONS (mm)
PART NUMBERING GUIDE: Example ECS-240-8-37-TR
Figure 1) Top, Side, and Bottom
Crystal is symmetrical, pad 1 & 3 are interchangeable.
Chamfer on the bottom pad has no electrical
significance.
240 = 24.000 MHz
See P/N Guide
8 = 8 pF
10 = 10 pF
S=Series
-37 =
ECX-1637
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
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
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)
160
16.000
200
20.000
240
24.000
260
26.000
270
27.000
300
30.000
320
32.000
360
36.000
400
40.000
SOLDER PROFILE
Peak solder Temp +260°C Max 10 sec Max.
2 Cycles Max.
MSL 1, Lead Finish Au
POCKET TAPE DIMENSIONS (mm)
ECX-1637
SMD CRYSTAL
Figure 1) Suggested Reflow Profile

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