E8WS Series
• 32.768kHz watch crystal
E8WS
• RoHS Compliant
• Miniature two pad surface mount package
• 2ꢀppm freꢁuency tolerance
• 9.ꢀpF or 12.5pF load capacitance
• Tape and reel available
H 0.8
L 3.2
W 1.5
CRYSTAL
NOTES
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ELECTRICAL SPECIFICATIONS
32.768kHz
Frequency
2ꢀppm
Frequency Tolerance (at 25°C)
Frequency Stability
-ꢀ.ꢀ4ppm / (Δ°C)2 Maximum, Parabolic;
Turn Over Temperature at 25°C 5°C
-4ꢀ°C to 85°C
Operating Temperature Range
Aging (at 25°C)
3ppm / year Maximum
-55°C to 125°C
Storage Temperature Range
Shunt Capacitance
1.ꢀpF Typical, 2pF Maximum
3.4fF Typical
Motional Capacitance
Equivalent Series Resistance
Insulation Resistance
Drive Level
7ꢀ,ꢀꢀꢀ Ohms Maximum
5ꢀꢀ Megaohms Minimum at 1ꢀꢀVDC
ꢀ.5µWatt Maximum
12.5pF or 9.ꢀpF
Load Capacitance (CL)
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ꢀ8/ꢀ7
ECLIPTEK CORP.
CRYSTAL
E8WS
CERAMIC
CR57
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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