SMD Resistance Weld Crystal
Page 1 of 2
RoHS Compliant / Pb Free
Model: HC49SSDLF
Rev. 1/11/2012
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FEATURES
OPTIONS
• Stock Standard
• Tolerances to < 10 PPM
• Stabilities to < 5 PPM
• Fundamental to 40 MHz
• Tape and Reel (1,000 pcs. STD)
• Temperatures to -40ºC ~ +105ºC
• PART NUMBERLearn More - Internet Required
10.21
Model Number
Frequency Range (MHz)
Part Number
3.2 Max
280LF-Frequency-xxxxx
HC49SSDLF
4.000 ~ 70.000
• STANDARD SPECIFICATIONS1
PARAMETERS
Frequency Range
Frequency Tolerance @ 25ºC
Frequency Stability, ref @ 25ºC
Over Operating Temp Range
Temperature Range
MAX (unless otherwise noted)
4.000 ~ 70.000 MHz
±50 PPM 1,2
3.75
2
±50 PPM 1
-20ºC ~ +70ºC 1
-40ºC ~ +85ºC
7pF
Operating
Storage
Shunt Capacitance
Load Capacitance
(TOPR)
(TSTG)
(Co)
13.2 Max
11.3±0.2
(CL)
10 pF ~ Series
(Customer Specified)
0.5 mW
Drive Level
0.7 Max
5.0 Max
Aging per year
±5 PPM
Maximum Soldering Temp / Time
Moisture Sensitivity Level (MSL)
260ºC / 10 Seconds
1
1 Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer Service for
specific requirements.
Recommended
2 Crystal has a±30ppm tolerance specification for all standard part numbers. These part numbers are listed in
the Fox catalog on the Standard Crystal table.
Solder Pad Layout
All specifications subject to change without notice.
15.0
Frequency Range
Operating Mode
Max ESR Ω
2.0
(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
4.0
All dimensions are in millimeters.
Term ination Finish: Sn/3.0Ag/0.5Cu
30
100
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