THE CONNOR-WINFIELD CORP.
2111 COMPREHENSIVE DRIVE.
AURORA, IL 60505.
FAX (630) 851-5040.
PHONE (630) 851-4722.
WWW.CONWIN.COM
P R O D U C T D A T A S H E E T
Specifications subject to change without notice.
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Copyright 2001 Connor-Winfield all rights reserved.
a
CRYSTAL
The Connor Winfield CW49-1G
and CW49-2G are HC49/u
crystals designed for use with
Motorola ISDN U-Interface
Transceiver.
1
1
CW49-2G - 20.48 MHz
XT
SERIES
CENTER
FREQUENCY
HERMETICALLY SEALED PACKAGE
FREQUENCY STABILITY:
CW49-1G 50ppm
TEMPERATURE RANGE: -40 to 85C
PULLABILITY: 360ppm MINIMUM
RoHS COMPLIANT / LEAD FREE
CW49-2G 20ppm
HC-49/u CRYSTAL UNIT
Designed for use with Motorola MC145572
ISDN U-Interface Transceiver
CW49-1G
CW49-2G
Xt167
00
02/24/06
ORDERING INFORMATION
FEATURES
DESCRIPTION
Dimensional Tolerance:
.005 (.127mm)
(13.46mm)
(12.70mm)
(.46mm)
(11.05mm)
(4.87 .20mm)
(4.64mm)
.435 MAX
.530 MAX
.500 MIN
.018 DIA
.192 .008
.183 MAX
ABSOLU TE MAX IMUM RATING S
TABLE 1.0
PARAMETER
UNITS
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTE
Storage Temperature
-55
-
125
C
MODEL SPECIFICATIONS
TABLE 2.0
LT MODE
MODEL: CW-49-1G
Center Frequency
(Fo)
20.0
-
26.0
MHz
Frequency Tolerance @ 25C
-15
-
15
ppm
Frequency Stability
-50
-
50
ppm
NT MODE
MODEL: CW-49-2G
Center Frequency
(Fo)
20.0
-
26.0
MHz
Frequency Tolerance @ 25C
-15
-
15
ppm
Frequency Stability
-20
-
20
ppm
OPERATING SPECIFIC ATIONS
TABLE 3.0
PARAMETER
MINIMUM
NOMINAL
MAXIMUM
UNITS
NOTE
Operating Temperature Range
-40
-
85
C
Mode
-
Fundamental
-
-
Type/Angle of Quartz Cut
AT-Cut
Shunt Capacitance
(Co)
-
-
7
pF
Load Capacitance
(CL)
-
24
-
pF
Equivalent Series Resistance
-
-
20
Ohm
Drive Level
-
-
0.5
mWatts
Drive Level (Correlation)
-
100
-
u Watts
Aging (10 Years)
-15
-
15
ppm
Pullability (15 to 45 pF)
360
-
-
ppm
Holder Style
HC49/u
PACKAG E CHARACTERISTICS
TABLE 4.0
Package
Hermetically sealed, resistance welded, metal package.
Leakage
0.01ppm atm. cc/sec. maximum
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