21
2003 FOX ELECTRONICS
FOXElectronics
5570 Enterprise Parkway Fort Myers, Florida 33905 USA +001(239)693-0099
FAX +001(239)693-1554
http://www.foxonline.com
RESISTANCE WELD THRU-HOLE CRYSTAL
HC49S
1
Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer Service for
specific requirements.
2
Crystal has a
30ppm tolerance specification for all standard part numbers. These part numbers are listed in
the Fox catalog on the Standard Crystal table.
All specifications subject to change without notice. Rev.
11/10/03
OPTIONS
Tolerances to < 10 PPM
Stabilities to < 5 PPM
Temperatures to -40C ~ +85C
4 Pad HC49SPX
(Alternate to FPX)
2.5mm Height Max
(HC49SS)
FEATURES
Low Cost
Stocking Standard
Fundamental to 50 MHz
(BT Cut)
Resistance Weld
PARAMETERS
Frequency Range
Frequency Tolerance
2
@ 25C
Frequency Stability, ref @ 25C
Over Operating Temp Range
Temperature Range
Operating
(T
OPR
)
Storage
(T
STG
)
Shunt Capacitance
(Co)
Load Capacitance
(C
L
)
Drive Level
Aging per year
3.200 ~ 70.000 MHz
50 PPM
50 PPM
-20C ~ +70C
-40C ~ +85C
7.0 pF
10 pF ~ Series
(Customer Specified)
0.5 mW
5 PPM
STANDARD SPECIFICATIONS
1
3.200 ~ 3.500
3.500+ ~ 4.000
4.000+ ~ 5.000
5.000+ ~ 6.000
6.000+ ~ 7.000
7.000+ ~ 9.000
9.000+ ~ 13.000
13.000+ ~ 20.000
20.000+ ~ 50.000
27.000 ~ 70.000
Frequency Range
(MHz)
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
300
200
150
120
100
80
60
40
30
100
Operating Mode
Max ESR
All dimensions are in millimeters.
MAX
(unless otherwise noted)
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