
Fox Electronics 5570 Enterprise Parkway Fort Myers, Florida 33905 USA +1.239.693.0099 FAX +1.239.693.1554
An Integrated Device Technology, Inc. company FOXonline.com
FEATURES
• Low Cost
• Stocking Standard (see page 2)
• High Frequency Range
• Fundamental to 40 MHz
• Resistance Weld
OPTIONS
• Tolerances to 5 PPM
• Stabilities to 3 PPM
• Temperatures to -40ºC ~ +105ºC
• Mylar Spacer
• Vinyl Sleeve
• Third Lead
1.8432 ~ 180.000
HC49ULF
Model Number
Part Number
281LF-Frequency-xxxxx
• PART NUMBER
Frequency Range (MHz)
Resistance Weld Thru-Hole Crystal
Rev. 4/23/2014
RoHS Compliant / Pb Free
http://www.foxonline.com/need_a_sample.htm
Model: HC49ULF
All dimensions are in millimeters.
1 Other tolerances, stabilities & operating temperature ranges available. Consult Fox Customer
Service for specific requirements.
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
1.8432 ~ 3.000 MHz
3.000+ ~ 180.000 MHz
Aging per year
1.8432 ~ 180.000 MHz
±30 PPM
±50 PPM
-20ºC ~ +70ºC
-40ºC ~ +85ºC
7.0 pF
10 pF ~ Series
(Customer Specified)
2.0 mW
1.0 mW
±5 PPM
• STANDARD SPECIFICATIONS1
1.8432 ~ 2.000
2.000+ ~ 2.400
2.400+ ~ 3.000
3.000+ ~ 3.200
3.200+ ~ 3.700
3.700+ ~ 4.200
4.200+ ~ 4.900
4.900+ ~ 5.000
5.000+ ~ 6.000
6.000+ ~ 8.000
8.000+ ~ 10.000
10.000+ ~ 12.500
12.500+ ~ 16.000
16.000+ ~ 40.000
23.000+ ~ 75.000
60.000 ~ 110.000
110.000 ~ 180.000
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd OT
5th OT
7th OT
750
500
300
200
120
100
70
55
50
40
35
30
25
20
40
80
120
Operating Mode Max ESR Ω
MAX (unless otherwise noted)
Frequency Range
(MHz)
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TERMINATION FINISH: Sn/3.0Ag/0.5Cu