Ecliptek E3WCDA12-32.768K Crystal Datasheet

E3WC Series
E3WC
• RoHS Compliant (Pb-Free)
• 32.768kHz watch crystal
• Miniature cylindrical package
• ±20ppm frequency tolerance
• 12.5pF load capacitance
H
L
8.28
3.1
CRYSTAL
NOTES
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ELECTRICAL SPECIFICATIONS
Frequency
32.768kHz
Frequency Tolerance (at 25°C)
±20ppm
Frequency Stability
-0.042ppm / (∆°C)2 Maximum, Parabolic;
Turn Over Temperature at 25°C ±5°C
Operating Temperature Range
-10°C to 60°C
Aging (at 25°C)
±5ppm / year Maximum
Storage Temperature Range
-20°C to 70°C
Shunt Capacitance
0.85pF Typical, 2pF Maximum
Motional Capacitance
2.0fF Typical
Drive Level
1 µWatt Maximum
Equivalent Series Resistance
35,000 Ohms Maximum
Insulation Resistance
500 Megaohms Minimum at 100VDC
Load Capacitance (CL)
12.5pF
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ECLIPTEK CORP.
CRYSTAL
E3WC
CYLINDRICAL
CR49
08/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
E3WC D A 12 - 32.768K
FREQUENCY TOLERANCE
D=±20ppm at 25°C
NOMINAL FREQUENCY
LOAD CAPACITANCE
12=12.5pF
OPERATING TEMPERATURE RANGE
A=-10°C to +60°C
NOTES
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MECHANICAL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
MARKING SPECIFICATIONS
PARABOLIC TEMPERATURE CURVE
Line 1: 32.768K
Nominal Frequency in kHz
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ECLIPTEK CORP.
CRYSTAL
E3WC
CYLINDRICAL
CR49
08/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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