XT49ML
Vishay Dale
Low Profile SMD Type Crystal Units
FEATURES
• Low cost
• Industry standard
• Wide frequency range
• Excellent aging
• Surface mount
• Compliant to RoHS directive 2002/95/EC
This part is a miniature AT cut strip crystal unit packaged for
surface mounting.
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
UNIT
MHz
ppm
ppm
°C
MIN.
3.200
10
TYP.
MAX.
66.000
50
Frequency range
Frequency tolerance
Temperature stability
Operating temperature range
Storage temperature range
Shunt capacitance
Load capacitance
Insulation resistance
Drive level
FO
-
30
30
-
ΔF/FO
TC
at 25 °C
ref. to 25 °C
10
50
TOPR
TSTG
C0
- 20
- 40
-
+ 70
+ 85
7
°C
-
pF
-
CL
customer specified
100 VDC
pF
10
-
series
-
IR
MΩ
μW
500
-
-
DL
100
-
500
+ 5
Aging
Fa
at 25 °C, per year
ppm
- 5
EQUIVALENT SERIES RESISTANCE (ESR) AND MODE OF VIBRATION (MODE)
FREQUENCY RANGE (MHz)
MAX. ESR (Ω)
MODE
FREQUENCY RANGE (MHz)
MAX. ESR (Ω)
MODE
3.200 to 4.499
150
120
100
90
fundamental/AT
fundamental/AT
fundamental/AT
fundamental/AT
fundamental/AT
9.000 to 9.999
60
50
40
80
fundamental/AT
fundamental/AT
fundamental/AT
3rd overtone
4.500 to 5.999
10.000 to 12.999
6.000 to 6.999
13.000 to 29.999
7.000 to 7.999
30.000 to 66.000
8.000 to 8.999
80
DIMENSIONS in inches [millimeters]
0.403 [10.24] max.
Crystal Unit
0.150 [3.8] max.
0.008 [0.2]
0.138 [3.5]
max.
0.150 [3.8]
max.
max.
0.012 [0.3]
max.
0.508 0.016
[12.9 0.4]
Insulation Base
Crystal Lead
0.449 0.012
[11.4 0.3]
0.354 [9.0]
0.078
[2.0]
0.031 0.012
[0.8 0.3]
0.185 0.012
[4.7 0.3]
0.236 [6.0]
Solder Pattern
0.201 0.020
[5.1 0.5]
Document Number: 35047
Revision: 18-Oct-07
For technical questions, contact: frequency@vishay.com
www.vishay.com
1