E7WS Series
• RoHS Compliant
• 32.768kHz watch crystal
• Miniature four pad surface mount package
• ±20ppm frequency tolerance
• 12.5pF load capacitance
• Tape and reel available
NOTES
E7WS
H 2.0
L 7.3
W 4.3
CRYSTAL
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ELECTRICAL SPECIFICATIONS
Frequency
Frequency Tolerance (at 25°C)
Frequency Stability
Operating Temperature Range
Aging (at 25°C)
Storage Temperature Range
Shunt Capacitance
Motional Capacitance
Equivalent Series Resistance
Insulation Resistance
Drive Level
Load Capacitance (CL)
MANUFACTURER
ECLIPTEK CORP.
CATEGORY
CRYSTAL
SERIES
E7WS
800-ECLIPTEK www.ecliptek.com for latest revision
32.768kHz
±20ppm
-0.035ppm / (∆°C)2 Maximum, Parabolic;
Turn Over Temperature at 25°C ±5°C
-40°C to 85°C
±3ppm / year Maximum
-55°C to 125°C
0.9pF Typical, 2pF Maximum
2.3fF Typical
55,000 Ohms Maximum
500 Megaohms Minimum at 100VDC
1 µWatt Maximum
12.5pF
PACKAGE
PLASTIC
CLASS
CR55
REV.DATE
11/05
Specifications subject to change without notice.