Resistance Weld Thru-Hole Crystal
Model: HC49ULF
Page 1 of 2
RoHS Compliant / Pb Free
OPTIONS
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Tolerances to 5 PPM
Stabilities to 3 PPM
Temperatures to -40ºC ~ +105ºC
Mylar Spacer
Vinyl Sleeve
Third Lead
Rev. 2/27/2006
FEATURES
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Low Cost
Stocking Standard (see page 2)
High Frequency Range
Fundamental to 40 MHz
Resistance Weld
• PART NUMBER
Part Number
281LF-Frequency-xxxxx
Model Number
HC49ULF
Frequency Range (MHz)
1.8432 ~ 180.000
• 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
1.8432 ~ 3.000 MHz
3.000+ ~ 180.000 MHz
Aging per year
1
MAX
(unless otherwise noted)
1.8432 ~ 180.000 MHz
±30 PPM
±50 PPM
-20ºC ~ +70ºC
-40ºC ~ +85ºC
7.0 pF
10 pF ~ Series
(Customer Specified)
2.0 mW
1.0 mW
±5 PPM
Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer
Service for specific requirements.
All specifications subject to change without notice.
Frequency Range
(MHz)
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
Operating Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
5th OT
7th OT
Max ESR
Ω
750
500
300
200
120
100
70
55
50
40
35
30
25
20
40
80
120
All dimensions are in millimeters.
TERMINATION FINISH: Sn/3.0Ag/0.5Cu
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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45
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