TIGHT TOLERANCE THERMOPLASTIC ENCASED SMD CRYSTAL
FK
The FK is an AT-cut tight tolerance SMD crystal designed to
withstand extreme heat from IR reflow operations. This new
compact package is formed before the crystal is inserted which
allows for tighter tolerances and stabilities.
CRYSTAL
FEATURES
•
•
•
•
Tight Tolerance and Stability
Cost Effective
Excellent Hermeticity
Tape and Reel (1,000 pcs. STD)
DISCONTINUED
CONDITIONS
Ta = 25ºC
See below
See below
-40
Customer Specified
3.579545 ~ 90.000 MHz
Ta = 25ºC; per year
Max ESR
Ω
200
150
120
100
80
±15PPM
*
*
*
*
*
*
Actual Size
• FK STANDARD SPECIFICATIONS
PARAMETERS
Frequency Range
Frequency Tolerance
Frequency Stability, ref @ 25ºC
Temperature Range
Operating (T
OPR
)
Storage
(T
STG
)
Shunt Capacitance
(Co)
Load Capacitance
(C
L
)
Drive Level
Aging
Frequency Range (MHz)
3.579
∼
4.000
4.000+
∼
5.000
5.000+
∼
6.000
6.000+
∼
7.000
7.000+
∼
9.000
Operating Temperature
0ºC ~ +50°C
-10ºC ~ +50°C
-10ºC ~ +60°C
-10ºC ~ +70°C
-20ºC ~ +70°C
-30ºC ~ +80°C
-40ºC ~ +85°C
Operating Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
±7.5PPM
*
*
*
*
MIN
3.579545
-20 *
MAX
90.000
+20 *
UNITS
MHz
PPM
10.0
-5.0
+90
7.0
Series
0.1
+5.0
Oper. Mode
Fundamental
Fundamental
Fundamental
3rd OT
ºC
pF
pF
mW
PPM
Max ESR
Ω
60
40
30
100
Frequency Range (MHz)
9.000+
∼
13.000
13.000+
∼
20.000
20.000+
∼
30.000
30.000
∼
90.000
±10PPM
*
*
*
*
*
±20PPM
*
*
*
*
*
*
*
±30PPM
*
*
*
*
*
*
*
±50PPM
*
*
*
*
*
*
*
±100PPM
*
*
*
*
*
*
*
* Other tolerances available. Consult Fox Customer Service for specific requirements, or use crystal order form on page 6.
All specifications subject to change without notice. Rev. 6/2/98
Inch dimensions shall govern.
All dimensions are in inches & parenthetically in millimeters.
See page 26 for tape and reel specifications.
FOXElectronics
5570 Enterprise Parkway
Fort Myers, Florida 33905
941-693-0099
FAX 941-693-1554
http://www.foxonline.com
© 1998 FOX ELECTRONICS
19
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