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278LF-6-14 fiches techniques PDF

Fox Electronics - Crystal

Numéro de référence 278LF-6-14
Description Crystal
Fabricant Fox Electronics 
Logo Fox Electronics 





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278LF-6-14 fiche technique
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
www.Dat12a30S..00h00e00et++4~~U.25c00o..m000000
27.000 ~ 70.000
Operating Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
Max ESR
300
200
150
120
100
80
60
40
30
100
FOXElectronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554 http://www.foxonline.com
EMEA Tel/Fax: +44 .1767.312632 | Asia Hong Kong Tel: +852.2854.4285 Fax +852.2854.4282 | Taiwan Tel: +886.2.22073427 Fax +886.2.22073486 | Japan Tel: +81.3.3374/2079 Fax: +81.3.3374.5221
© 2007 FOX ELECTRONICS | ISO9001:2000 Certified
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