278LF-13.000MHZ Ver la hoja de datos (PDF) - Fox Electronics
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Fabricante
278LF-13.000MHZ Datasheet PDF : 2 Pages
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Resistance Weld SMD Crystal
Model: HC49SDLF
Page 1 of 2
RoHS Compliant / Pb Free
Rev. 12/4/2006
http://www.foxonline.com/need_a_sample.htm
FEATURES
OPTIONS
• Stock Standard (see page 2) • Tolerances to 10 PPM
• Fundamental to 50 MHz • Stabilities to 5 PPM
• Tape and Reel (1,000 pcs. STD) • Temperatures to -40ºC ~ +105ºC
• 3.2mm Height Max (HC49SSDLF)
10.3 Max
4.5 Max
• PART NUMBER Learn More - Internet Required
Part Number
278LF-Frequency-xxxxx
Model Number
HC49SDLF
Frequency Range (MHz)
3.200 ~ 70.000
• STANDARD SPECIFICATIONS1
PARAMETERS
Frequency Range
Frequency Tolerance @ 25ºC
Frequency Stability, ref @ 25ºC
Over Operating Temp Range
Temperature Range
Operating (TOPR)
Storage
(TSTG)
Shunt Capacitance (Co)
Load Capacitance (CL)
Drive Level
Aging per year
Maximum Soldering Temp / Time
Moisture Sensitivity Level (MSL)
MAX (unless otherwise noted)
3.200 ~ 70.000 MHz
±50 PPM 1,2
±50 PPM 1
-20ºC ~ +70ºC 1
-40ºC ~ +85ºC
7pF
10 pF ~ Series
(Customer Specified)
0.5 mW
±5 PPM
260ºC / 10 Seconds
1
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.
3.8 Max
0 .7 5 ±0 .35
13.9 Max
11.7 Max
5.0 Max
Recommended
HC49SD Solder Pad Layout
1 5 .0 ±0 .1
4 .0 ±0 .1
2 .0 ±0 .1
All dimensions are in millimeters.
TERMINATION FINISH: Sn/3.0Ag/0.5Cu
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
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