E3WC Series
E3WC
• RoHS Compliant (Pb-Free)
• 32.768kHz watch crystal
• Miniature cylindrical package
• 2ꢀppm ꢁreꢂuency tolerance
• 12.5pF load capacitance
H 8.28
L 3.1
CRYSTAL
NOTES
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ELECTRICAL SPECIFICATIONS
Frequency
32.768kHz
Frequency Tolerance (at 25°C)
Frequency Stability
2ꢀppm
-ꢀ.ꢀ42ppm / (∆°C)2 Maximum, Parabolic;
Turn Over Temperature at 25°C 5°C
-1ꢀ°C to 6ꢀ°C
Operating Temperature Range
Aging (at 25°C)
5ppm / year Maximum
-2ꢀ°C to 7ꢀ°C
Storage Temperature Range
Shunt Capacitance
ꢀ.85pF Typical, 2pF Maximum
2.ꢀꢁF Typical
Motional Capacitance
Drive Level
1 µWatt Maximum
Equivalent Series Resistance
Insulation Resistance
Load Capacitance (CL)
35,ꢀꢀꢀ Ohms Maximum
5ꢀꢀ Megaohms Minimum at 1ꢀꢀVDC
12.5pF
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ꢀ8/ꢀ5
ECLIPTEK CORP.
CRYSTAL
E3WC
CYLINDRICAL
CR49
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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