Resistance Weld Thru-Hole Crystal
RoHS Compliant / Pb Free
Model: HC49SLF
Rev. 6/2/2009
Page 1 of 2
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FEATURES
• Low Cost
OPTIONS
• Tolerances to 10 PPM
• Stocking Standard (see page 2) • Stabilities to 5 PPM
• Fundamental to 40 MHz
• Resistance Weld
• Temperatures to -40ºC ~ +105ºC
• 2.5mm Height Max (HC49SSLF)
• PART NUMBERLearn More - Internet Required
Frequency Range (MHz)
Model Number
Part Number
277LF-Frequency-xxxxx
3.200 ~ 70.000
HC49SLF
• STANDARD SPECIFICATIONS1
MAX (unless otherwise noted)
PARAMETERS
Frequency Range
3.200 ~ 70.000 MHz
1,2
Frequency Tolerance @ 25ºC
Frequency Stability, ref @ 25ºC
Over Operating Temp Range
Temperature Range
Operating
Storage
Shunt Capacitance (Co)
±50 PPM
1
±50 PPM
1
(TOPR)
(TSTG)
-20ºC ~ +70ºC
-40ºC ~ +85ºC
7.0 pF
Load Capacitance
(CL)
10 pF ~ Series
(Customer Specified)
0.5 mW
Drive Level
Aging per year
±5 PPM
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 on page 2 of this datasheet.
All specifications subject to change without notice.
All dimensions are in millimeters.
TERMINATION FINISH: Sn/3.0Ag/0.5Cu
Frequency Range
Operating Mode
Max ESR Ω
(MHz)
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
3.200 ~ 3.500
300
200
150
120
100
80
60
40
30
100
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+ ~ 40.000
27.000 ~ 70.000
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