ECX-1247B
SMD CRYSTAL
The sub miniature ECX-1247B is a very compact SMD Crystal.
The 1.6 x 1.2 x 0.3 mm ceramic package is ideal for RFID, NFC,
WiFi, RF, Video, and Audio applications.
ECX-1247B SMD CRYSTAL
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OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS
PARAMETERS
Frequency
Mode of Oscillation
Frequency Tolerance*
Frequency Stability*
Shunt Capacitance
Load Capacitance
Drive Level
Operating Temperature*
Storage Temperature
Aging (First Year)
Fundamental
@ +25°C
-20 ~ +70°C
CONDITIONS
MIN
ECX-1247B
TYP
MAX
UNITS
80.000
±7
± 10
5
MHz
ppm
ppm
pF
pF
100
μW
°C
°C
ppm
+85
+125
±1
24.000
Co
Specify in P/N
D
L
T
opr
T
stg
@ +25°C ±3°C
-40
-40
8
•
•
•
•
Low 1 Year Aging
1.6 x 1.2 mm Footprint
Extended Temp. Range Option
RoHS Compliant
st
DIMENSIONS (mm)
Frequency (MHz)
24.000 ~ 29.999
30.000 ~ 48.999
49.000 ~ 80.000
ESR Ω Max.
100
80
50
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
Figure 2)
Suggested land
pattern
AVAILABLE OPTIONS
PACKAGING
PART NUMBERING GUIDE: Example ECS-320-8-47B-7KM-TR
ECS - FREQUENCY ABBREVIATION
LOAD
CAPACITANCE
8 = 8 pF
S=Series
PACKAGE
Tolerance
-47B =
ECX-1247B
Blank = Std
A = ± 25
ppm
J = ± 20
ppm
R = ± 15
ppm
C = ± 10
ppm
7 = ± 7 ppm
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
TR =
Tape
& Reel
1K/Reel
ECS
320 = 32.000 MHz
See P/N Guide
* Specify available options in P/N.
†
Contact ECS for availability over extended temp range.
Rev.2019
15351 West 109
th
Street
|
Lenexa, KS 66219
|
Phone: 913.782.7787
|
Fax: 913.782.6991
|
www.ecsxtal.com
ECX-1247B
SMD CRYSTAL
POCKET TAPE DIMENSIONS (mm)
SOLDER PROFILE
Peak solder Temp +260°C Max 10 sec Max.
2 Cycles Max.
MSL 1, Lead Finish Au
DEVELOPED FREQUENCIES
Abbreviation
Frequency (MHZ)
240
24.000
245.7
24.576
260
26.000
320
32.000
360
36.000
400
40.000
480
48.000
500
50.000
Figure 1)
Suggested Reflow Profile
15351 West 109
th
Street
|
Lenexa, KS 66219
|
Phone: 913.782.7787
|
Fax: 913.782.6991
|
www.ecsxtal.com
PCB设计
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