Ceramic SMD Crystal
Model: FX252B Series
Page 1 of 1
RoHS Compliant / Pb Free
Rev. 2/25/2008
http://www.foxonline.com/need_a_sample.htm
FEATURES
• Ultra Low Profile
• Fundamental
OPTIONS
• Tolerances to
± 10 PPM
• Stabilities to
± 10 PPM
•
Temp Range to -40ºC ~ +85ºC
Learn More - Internet Required
2 .5 ±0.1
• PART NUMBER
Part Number
637-Frequency-xxxxx
#4
#1
#3
2 .0 ±0.1
Model Number
FX252B
Frequency Range (MHz)
16.000 ~ 54.000
#2
T o p V iew
0 .6 M ax
• STANDARD SPECIFICATIONS
1
PARAMETERS
Frequency Range
Frequency Tolerance @ 25ºC
Frequency Stability, ref @ 25ºC
Over Operating Temp Range
Temperature Range
Operating (T
OPR
)
Storage
(T
STG
)
Shunt Capacitance (Co)
Load Capacitance
(C
L
)
Drive Level
Aging per year
Reflow Soldering Temperature
Moisture Sensitivity Level (MSL)
Termination Finish
1
MAX
(unless otherwise noted)
16.000 ~ 54.000 MHz
±50 PPM
1
±50 PPM
1
-10ºC ~ +60ºC
1
-40ºC ~ +85ºC
5 pF
10 pF~Series
(Customer Specified)
100 µW
±5 PPM
260ºC x 10 Seconds (2 Cycles)
1
Au
#1
1 .0
#2
0 .7
#4
B o ttom
#3
R e co m m ended
S o ld e r P a d Layout
0 .95
0 .85
0 .3
Tolerances and stabilities to ±10 PPM, operating temps to -40ºC ~ 85ºC available.
All specifications subject to change without notice.
Developed Frequencies
16.000
19.680
24.000
32.000
54.000
Frequency Range
(MHz)
16.000 ~ 26.000
26.000+ ~ 35.000
35.000+ ~ 54.000
19.200
19.800
26.000
48.000
0 .5
All dimensions are in millimeters.
Operating Mode
Fundamental
Fundamental
Fundamental
Max ESR
Ω
200
100
50
FOXElectronics
5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554
http://www.foxonline.com
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