XT49S
Vishay Dale
Low Profile Holder Type Crystal Units
FEATURES
• Low cost
• Industry standard
• Wide frequency range
• Excellent aging
RoHS
COMPLIANT
This part is a miniature AT cut strip crystal unit with a low
profile package. It is with resistance weld.
• 100 % Lead (Pb)-free and RoHS compliant
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
UNIT
MHz
ppm
ppm
°C
MIN
3.200
10
TYPICAL
MAX
66.000
50
Frequency Range
FO
Frequency Tolerance
Temperature Stability
Operating Temperature Range
Storing Temperature Range
Shunt Capacitance
Load Capacitance
Insulator Resistance
Drive Level
ΔF/FO
TC
at 25 °C
30
30
ref to 25 °C
10
50
TOPR
TSTG
CO
- 20
- 40
+ 70
+ 85
7
°C
pF
CL
Customer Specified
100 VDC
pF
10
Series
IR
500
MΩ
µW
DL
100
500
Aging (first year)
Fa
at 25 °C, per year
ppm
- 5.0
+ 5.0
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
4.500 to 5.999
6.000 to 6.999
7.000 to 7.999
8.000 to 8.999
150
120
100
90
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
9.000 to 9.999
10.000 to 12.999
13.000 to 30.000
30.000 to 66.000
60
50
40
80
Fundamental/AT
Fundamental/AT
Fundamental/AT
3rd Overtone
80
DIMENSIONS in inches [millimeters]
0.435 [11.0] Max
0.403 [10.24] Max
0.146 [3.70] Max
0.138
[3.5] 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]
ORDERING INFORMATION
XT49S
R
- 20
SP
12 M
e2
MODEL
OTR
Blank = Standard
R = - 40 °C to + 85 °C
LOAD
Blank = Series
- 16 = 16 pF
OPTIONS
Blank = Standard
SP = Spacer
FREQUENCY/MHz
JEDEC LEAD (Pb)-FREE
STANDARD
- 20 = 20 pF Standard
- 30 = 30 pF
SL = Sleeve
- 32 = 32 pF
GLOBAL PART NUMBER
9
S
0
A
M
X
T
2
A
1
2
N
MODEL
LOAD
PACKAG
CODE
E
OPTIONS
FREQUENCY
Document Number: 35014
Revision: 18-Oct-07
For technical questions contact: frequency@vishay.com
www.vishay.com
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