Resistance Weld Low Profile Crystal
Pb Free
Model: HC49SSLF
Rev. 1/11/2012
Page 1 of 1
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FEATURES
OPTIONS
• Very Low Profile
• Fundamental to 40 MHz
• "AT Strip"
• Mylar Spacer (Leaded)
• Tape and Reel (1,000pcs. STD)
• SMD Version available (HC49SSDLF)
• Standard Footprint
• PART NUMBERLearn More - Internet Required
Frequency Range (MHz)
Model Number
Part Number
279LF-Frequency-xxxxx
4.000 ~ 70.000
HC49SSLF
• STANDARD SPECIFICATIONS1
MAX (unless otherwise noted)
PARAMETERS
Frequency Range
4.000 ~ 70.000 MHz
±50 PPM
1,2
Frequency Tolerance @ 25ºC
Frequency Stability, ref @ 25ºC
Over Operating Temp Range
Temperature Range
Operating
Storage
Shunt Capacitance (Co)
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
1
Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer
Service for specific requirements.
2
Crystal has a±50ppm tolerance specification for all standard part numbers.
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
3rd OT
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
30.000+ ~ 70.000
150
120
100
80
60
40
30
100
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