Ecliptek E8WSDC12-32.768KTR Crystal Datasheet

E8WS Series
E8WS
• RoHS Compliant
• 32.768kHz watch crystal
• Miniature two pad surface mount package
• ±20ppm frequency tolerance
• 9.0pF or 12.5pF load capacitance
• Tape and reel available
H
L
W
0.8
3.2
1.5
CRYSTAL
NOTES
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ELECTRICAL SPECIFICATIONS
Frequency
32.768kHz
Frequency Tolerance (at 25°C)
±20ppm
Frequency Stability
-0.04ppm / (Δ°C)2 Maximum, Parabolic;
Turn Over Temperature at 25°C ±5°C
Operating Temperature Range
-40°C to 85°C
Aging (at 25°C)
±3ppm / year Maximum
Storage Temperature Range
-55°C to 125°C
Shunt Capacitance
1.0pF Typical, 2pF Maximum
Motional Capacitance
3.4fF Typical
Equivalent Series Resistance
70,000 Ohms Maximum
Insulation Resistance
500 Megaohms Minimum at 100VDC
Drive Level
0.5µWatt Maximum
Load Capacitance (CL)
12.5pF or 9.0pF
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
ECLIPTEK CORP.
CRYSTAL
E8WS
CERAMIC
CR57
800-ECLIPTEK www.ecliptek.com for latest revision
REV.DATE
08/07
Specifications subject to change without notice.
PART NUMBERING GUIDE
E8WSDC 12 - 32.768K TR
PACKAGE OPTIONS
Blank=Bulk, TR=Tape and Reel
LOAD CAPACITANCE
09=9pF
12=12.5pF
MECHANICAL DIMENSIONS
SUGGESTED SOLDER PAD LAYOUTS
ALL DIMENSIONS IN MILLIMETERS
ALL DIMENSIONS IN MILLIMETERS
MARKING
ORIENTATION
3.2
±0.1
1.0
(X2)
Pad Connections
2
1.8
±0.1
1.5
1
0.8
±0.1
1.5
±0.1
0.8 ±0.1 (X2)
1.8
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
A
B
C
D
E
12±.3
5.5±.1
4.75±.1
4 ±.2
2±.1
L
TAPE
F
4±.1
G
A0*
H
J
K
1.5 ±.1
B0*
0.6 MAX
PARABOLIC TEMPERATURE CURVE
M
N
O
P
1.5 MIN
50 MIN
20.2 MIN
13±.5
40 MIN
QTY/REEL
3,000
REEL
K0*
*Compliant to EIA481A
Q
R
S
T
U
V
2.5 MIN
10 MIN
18.4 MAX
180 MAX
12.4+2-0
MARKING SPECIFICATIONS
Line 1: XXXXX
Ecliptek Manufacturing Code
ENVIRONMENTAL/MECHANICAL SPECIFICATIONS
Characteristic
Specification
Characteristic
Specification
Fine Leak Test
Gross Leak Test
Mechanical Shock
MIL-STD-883, Method 1014, Condition A
MIL-STD-883, Method 1014, Condition C
MIL-STD-883, Method 2002, Condition B
Resistance to Soldering Heat
Solderability
Vibration
MIL-STD-202, Method 210
MIL-STD-883, Method 2003
MIL-STD-883, Method 2007, Condition A
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ECLIPTEK CORP.
CRYSTAL
E8WS
CERAMIC
CR57
08/07
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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