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FOX
Electronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554 www.foxonline.com
EMEA Tel: +44 .1283.568153 | Canada +1.888.438.2369 | Asia Hong Kong Tel: +852.2854.4285 | Japan Tel: +81.3.3374.2079
© 2011 FOX ELECTRONICS | ISO9001:2008 Certified
OPTIONS
• Mylar Spacer (Leaded)
• Tape and Reel (1,000pcs. STD)
• SMD Version available (HC49SSDLF)
FEATURES
• Very Low Profile
• Fundamental to 40 MHz
• "AT Strip"
• Standard Footprint
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.
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
4.000 ~ 70.000 MHz
±50 PPM1,2
±50 PPM1
20ºC ~ +70ºC1
-40ºC ~ +85ºC
7.0 pF
10 pF ~ Series
(Customer Specified)
0.5 mW
• STANDARD SPECIFICATIONS1
MAX (unless otherwise noted)
4.000 ~ 70.000
HC49SSLF
Model Number
Part Number
279LF-Frequency-xxxxx
• PART NUMBERLearn More - Internet Required
Frequency Range (MHz)
Resistance Weld Low Profile Crystal Rev. 1/11/2012
Pb Free http://www.foxonline.com/need_a_sample.htm
Model: HC49SSLF
Page 1 of 1
All dimensions are in millimeters.
TERMINATION FINISH: Sn/3.0Ag/0.5Cu
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
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
150
120
100
80
60
40
30
100
Operating Mode Max ESR Ω
Frequency Range
(MHz)
