E1WS
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
E1WS
H
L
W
2.5
8.7
3.7
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 (C
L
)
MANUFACTURER
CATEGORY
SERIES
32.768kHz
±20ppm
-0.042ppm / (∆°C)
2
Maximum, Parabolic;
Turn Over Temperature at 25°C ±5°C
-10°C to 60°C
±3ppm / year Maximum
-40°C to 85°C
0.85pF Typical, 2pF Maximum
2.0fF Typical
60,000 Ohms Maximum
500 Megaohms Minimum at 100V
DC
1 µWatt Maximum
12.5pF
PACKAGE
CLASS
REV
.
DATE
ECLIPTEK CORP.
CRYSTAL
E1WS
PLASTIC
CR47
05/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.