XT49S
www.vishay.com
Vishay Dale
Low Profile Holder Type Crystal Units
FEATURES
• Low cost
• Industry standard
• Wide frequency range
• Excellent aging
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
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
F/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
M
μW
ppm
MIN.
3.579545
-30
-50
-10
-55
-
10
500
-
-5
TYP.
-
-
-
-
-
-
-
-
100
-
MAX.
66.000
+30
+50
+70
+125
7
series
-
500
+5
EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)
FREQUENCY RANGE (MHz)
3.579 to 3.999
4.000 to 4.999
5.000 to 5.999
6.000 to 9.999
MAX. ESR ()
200
150
120
100
MODE
fundamental/AT
fundamental/AT
fundamental/AT
fundamental/AT
FREQUENCY RANGE (MHz)
10.000 to 13.999
14.000 to 39.999
40.000 to 66.000
MAX. ESR ()
80
50
80
MODE
fundamental/AT
fundamental/AT
3
rd
overtone
DIMENSIONS
in inches [millimeters]
0.403 [10.24] max.
0.150 [3.81] max.
0.138 [3.5]
max.
0.435 [11.05] 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]
Revision: 22-Jul-15
Document Number: 35014
1
For technical questions, contact:
frequency@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
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including but not limited to the warranty expressed therein.
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Revision: 08-Feb-17
1
Document Number: 91000
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