23
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
HC49U
1
Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer
Service for specific requirements.
All specifications subject to change without notice. Rev.
02/10/03
PARAMETERS
Frequency Range
Frequency Tolerance @ 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
1.8432 ~ 3.000 MHz
3.000+ ~ 180.000 MHz
Aging per year
1.8432 ~ 180.000 MHz
30 PPM
50 PPM
-20C ~ +70C
-40C ~ +85C
7.0 pF
10 pF ~ Series
(Customer Specified)
2.0 mW
1.0 mW
5 PPM
STANDARD SPECIFICATIONS
1
1.8432 ~ 2.000
2.000+ ~ 2.400
2.400+ ~ 3.000
3.000+ ~ 3.200
3.200+ ~ 3.700
3.700+ ~ 4.200
4.200+ ~ 4.900
4.900+ ~ 5.000
5.000+ ~ 6.000
6.000+ ~ 8.000
8.000+ ~ 10.000
10.000+ ~ 12.500
12.500+ ~ 16.000
16.000+ ~ 40.000
23.000+ ~ 75.000
60.000 ~ 110.000
110.000 ~ 180.000
Frequency Range
(MHz)
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
5th OT
7th OT
750
500
300
200
120
100
70
55
50
40
35
30
25
20
40
80
120
Operating Mode
Max ESR
All dimensions are in millimeters.
MAX
(unless otherwise noted)
FEATURES
Low Cost
Stocking Standard
High Frequency Range
Fundamental to 40 MHz
Resistance Weld
OPTIONS
Tolerances to < 5 PPM
Stabilities to < 3 PPM
Temperatures to -40C ~ -85C
Mylar Spacer
Vinyl Sleeve
Third Lead
SMD Gullwing (HC49UW)
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