RESISTANCE WELD SMD CRYSTAL
CRYSTALS
HC49SD
FEATURES
• Low Cost
• Stock Standard
• Fundamental to 50 MHz (BT
Cut)
• Tape and Reel (1,000 pcs. STD)
OPTIONS
• Tolerances to < 10 PPM
• Stabilities to < 5 PPM
• Temperatures to -40ºC ~ -85ºC
• 4 Pad HC49SPX (Alternate to
FPX)
• 3.2mm Height Max (HC49SSD)
• 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 @ 25ºC; per year
1
MAX
(unless otherwise noted)
3.200 ~ 70.000 MHz
±50 PPM
±50 PPM
-10ºC ~ +70ºC
-40ºC ~ +85ºC
7.0 pF
10 pF ~ Series
(Customer Specified)
0.5 mW
±5 PPM
Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer Service for
specific requirements.
All specifications subject to change without notice.
Rev. 05/01/02
Frequency Range
(MHz)
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
Operating Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
Max ESR
Ω
300
200
150
120
100
80
60
40
30
100
All dimensions are in millimeters.
See
page 27
for tape and reel specifications.
FOXElectronics
5570 Enterprise Parkway Fort Myers, Florida 33905 USA +001(239)693-0099 FAX +001(239)693-1554
http://www.foxonline.com
© 2002 FOX ELECTRONICS
19
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