XT49SL
Vishay Dale
Low Profile Holder Type Crystal Units
FEATURES
• Low cost
• Industry standard
• Wide frequency range
• Excellent aging
• Compliant to RoHS directive 2002/95/EC
This part is a miniature AT cut strip crystal unit with a low
profile package. It is with resistance weld.
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
Frequency range
Frequency tolerance
Temperature stability
Operating temperature range
Storage temperature range
Shunt capacitance
Load capacitance
Insulation resistance
Drive level
Aging (first year)
SYMBOL
F
O
ΔF/F
O
T
C
T
OPR
T
STG
C
0
C
L
I
R
D
L
Fa
at 25 °C, per year
customer specified
100 V
DC
at 25 °C
ref. to 25 °C
CONDITION
UNIT
MHz
ppm
ppm
°C
°C
pF
pF
MΩ
μW
ppm
MIN.
3.200
± 10
± 10
- 20
- 40
-
10
500
-
-5
TYP.
-
± 30
± 30
-
-
-
-
-
100
-
MAX.
66.000
± 50
± 50
+ 70
+ 85
7
series
-
500
+5
EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)
FREQUENCY RANGE (MHz)
3.200 to 4.499
4.500 to 5.999
6.000 to 6.999
7.000 to 7.999
8.000 to 8.999
MAX. ESR (Ω)
150
120
100
90
80
MODE
fundamental/AT
fundamental/AT
fundamental/AT
fundamental/AT
fundamental/AT
FREQUENCY RANGE (MHz)
9.000 to 9.999
10.000 to 12.999
13.000 to 29.999
30.000 to 66.000
MAX. ESR (Ω)
60
50
40
80
MODE
fundamental/AT
fundamental/AT
fundamental/AT
3
rd
overtone
DIMENSIONS
in inches [millimeters]
0.403 [10.24] max.
0.146 [3.70] max.
0.098 [2.5]
max.
0.435 [11.0] max.
0.183 [4.65]
max.
0.500 [12.7]
min.
0.192 ± 0.008
[4.88 ± 0.2]
Ø 0.017 ± 0.002
[0.43 ± 0.05]
Document Number: 35042
Revision: 18-Oct-07
For technical questions, contact:
frequency@vishay.com
www.vishay.com
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Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
www.vishay.com
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