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XT49S CRYSTALS0 pages
XT49S
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
SYMBOL
Frequency range
CONDITION
UNIT
MIN.
TYP.
MAX.
MHz
FO
3.579545
-
66.000
Frequency tolerance
ΔF/FO
at 25 °C
ppm
- 30
-
+ 30
Temperature stability
TC
ref. to 25 °C
ppm
- 50
-
+ 50
°C
- 10
-
+ 70
Operating temperature range
TOPR
Storage temperature range
TSTG
°C
- 55
-
+ 125
Shunt capacitance
C0
pF
-
-
7
Load capacitance
CL
customer specified
pF
10
-
series
Insulation resistance
IR
100 VDC
MΩ
500
-
-
Drive level
DL
μW
-
100
500
Aging (first year)
Fa
ppm
-5
-
+5
at 25 °C, per year
EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)
FREQUENCY RANGE (MHz)
MAX. ESR (Ω)
MODE
FREQUENCY RANGE (MHz)
MAX. ESR (Ω)
MODE
3.579 to 3.999
200
fundamental/AT
10.000 to 13.999
80
fundamental/AT
4.000 to 4.999
150
fundamental/AT
14.000 to 39.999
50
fundamental/AT
5.000 to 5.999
120
fundamental/AT
40.000 to 66.000
80
3rd overtone
6.000 to 9.999
100
fundamental/AT
DIMENSIONS in inches [millimeters]
0.403 [10.24] max.
0.150 [3.81] max.
0.435 [11.05] max.
0.138 [3.5]
max.
0.183 [4.65]
max.
0.500 [12.7]
min.
0.192 ± 0.008
[4.88 ± 0.2]
Document Number: 35014
Revision: 19-Mar-10
Ø 0.017 ± 0.002
[0.43 ± 0.05]
For technical questions, contact: frequency@vishay.com
www.vishay.com
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