Ecliptek E7WSDC12-32768K Crystal Datasheet

Marketing Bulletin
DATE:
Janaury 11th, 2006
TO:
All Sales Personnel
FROM:
Mark Stoner
RE:
Product Terminations
To all concerned parties,
This bulletin is to notify all customers of the termination of the following Ecliptek series
effective January 11th, 2006:
Series
E7WS
Description
SMD Watch Crystal
Recommended Replacement
E1WS, E5WS, E6WS
Because of the circumstances surrounding this termination, there will be no end-of-life
policy exercised. The series will be terminated with no purchasing or lifetime buy
window available.
All of us at Ecliptek Corporation apologize for any inconvenience this may have caused
and can assure you we are taking measures to insure this will not happen again in the
future. If there are any questions pertaining to this bulletin, please feel free to contact
me. Thank you for your cooperation.
Best Regards,
Mark W. Stoner
Director of Marketing
Ecliptek Corporation
3545 CADILLAC AVENUE • COSTA MESA, CA 92626-1401 • (714) 433-1200 • Fax (714) 433-1234
E7WS Series
E7WS
• RoHS Compliant
• 32.768kHz watch crystal
• Miniature four pad surface mount package
• ±20ppm frequency tolerance
• 12.5pF load capacitance
• Tape and reel available
H
L
W
2.0
7.3
4.3
CRYSTAL
NOTES
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OBSOLETE
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ELECTRICAL SPECIFICATIONS
Frequency
32.768kHz
Frequency Tolerance (at 25°C)
±20ppm
Frequency Stability
-0.035ppm / (∆°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
0.9pF Typical, 2pF Maximum
Motional Capacitance
2.3fF Typical
Equivalent Series Resistance
55,000 Ohms Maximum
Insulation Resistance
500 Megaohms Minimum at 100VDC
Drive Level
1 µWatt Maximum
Load Capacitance (CL)
12.5pF
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ECLIPTEK CORP.
CRYSTAL
E7WS
PLASTIC
CR55
11/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
PART NUMBERING GUIDE
E7WSDC 12 - 32.768K TR
LOAD CAPACITANCE
12=12.5pF
PACKAGE OPTIONS
Blank=Bulk, TR=Tape and Reel
NOTES
OBSOLETE
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MECHANICAL DIMENSIONS
SUGGESTED SOLDER PAD LAYOUTS
ALL DIMENSIONS IN MILLIMETERS
ALL DIMENSIONS IN MILLIMETERS
TAPE AND REEL DIMENSIONS
ALL DIMENSIONS IN MILLIMETERS
A
B
C
D
E
16±.3
7.5±.1
6.75±.1
4 ±.2
2±.1
TAPE
REEL
M
N
O
P
Q
1.5 MIN
50 MIN
20.2 MIN
13±.2
40 MIN
QTY/REEL
3,000
F
G
H
J
K
L
R
S
T
U
V
8±.2
4.35±.1
1.5 ±.1
10.7±.2
.5 ±.05
3.7±.2
2.5 MIN
10 MIN
22.4 MAX
360 MAX
16.4+2-0
PARABOLIC TEMPERATURE CURVE
MARKING SPECIFICATIONS
Line 1: CS XXXXX
Lot Identifier (5 Characters MAX)
Frequency Code
MANUFACTURER
CATEGORY
SERIES
PACKAGE
CLASS
REV.DATE
ECLIPTEK CORP.
CRYSTAL
E7WS
PLASTIC
CR55
11/05
800-ECLIPTEK www.ecliptek.com for latest revision
Specifications subject to change without notice.
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