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Thru-Hole Tuning Fork
Model: NC15LF/NC26LF/NC38LF
RoHS Compliant / pB Free
Rev. 1/13/2012
FEATURES
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Miniature Packages
Low Cost
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Cold Weld Design
Long Term Stability
NC15LF
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Tight Tolerance
1.5 Max
? PART NUMBER SELECTION Learn More - Internet Required
Part Number
Model
Number
Frequency
Stability
Operating
Temperature
Frequency
5.0 Max
298LF-Frequency-xxxxx
299LF-Frequency-xxxxx
300LF-Frequency-xxxxx
NC15LF
NC26LF
NC38LF
-0.04 PPM / (?oC) 2
-0.04 PPM / (?oC) 2
-0.04 PPM / (?oC) 2
-20 oC~ +60 oC
-20 oC~ +60 oC
-20 oC~ +60 oC
32.768 kHz
32.768 kHz
32.768 kHz
0.22 ±0.05
4.5 Min
? STANDARD SPECIFICATIONS
PARAMETERS
Frequency
Frequency Tolerance @ 25oC
Frequency Stability
Temperature Coefficient
MAX (unless otherwise noted)
32.768 kHz
± 20 PPM
-0.04 PPM / (?oC) 2
0.45
NC26LF
Temperature Range
Turnover (T O )
Operating (T OPR )
Storage (T STG )
Equivalent Series Resistance (R S )
NC15 / NC26
NC38
Load Capacitance (C L )
Insulation Resistance @ 100V DC
Drive Level
Aging per year
+20oC ~ +30oC
-20oC ~ +60oC
-30oC ~ +70oC
50 k?
35 k?
12.5 pF (Standard)
6 pF (Optional)
500 M? Min
1.0 μW
±3 PPM
0.2 ±0.07
2.0 Max
6.0 Max
4.0 Min
0.7 ±0.15
All specifications subject to change without notice.
Note: Can should not be soldered to the circuit board or grounded. If securing the can to the board
is desired, a rubber adhesive is recommended.
NC38LF
3.2 Max
8.3 Max
0.38±0.05
9.0 Min
0.8 ±0.1
All dimensions are in millimeters.
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
? 2012 FOX ELECTRONICS | ISO9001:2008 Certified
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