Model XT49S
Vishay Dale
Quartz Crystals
Low Profile 3.579MHz to 66.0MHz
FEATURES
•
Low profile.
•
Hermetically sealed.
•
Tape and reel option.
STANDARD ELECTRICAL SPECIFICATIONS
FREQUENCY
RANGE (MHz)
3.579 - 3.999
4.0 - 4.499
4.5 - 4.999
5.0 - 5.999
6.0 - 6.999
7.0 - 7.999
8.0 - 8.999
9.0 - 9.999
10.0 - 12.999
13.0 - 19.999
20.0 - 30.0
30.001 - 66.0
MODE OF
VIBRATION
“AT” Fundamental
“AT” Fundamental
“AT” Fundamental
“AT” Fundamental
“AT” Fundamental
`“AT” Fundamental
“AT” Fundamental
“AT” Fundamental
“AT” Fundamental
“AT” Fundamental
“AT” Fundamental
“AT” 3rd Overtone
ESR MAX.
(Ohms)
150
150
120
120
100
90
80
60
50
40
40
80
STANDARD SPECIFICATIONS
Operating Temperature Range:
0°C to + 70°C. (Contact
factory for extended temperature range.)
Frequency Range:
3.579MHz to 66.0MHz.
Frequency Tolerance:
±
50PPM @ + 25°C
±
3°C (typical).
Temperature Stability:
±
50PPM (typical).
Storage Temperature:
- 40°C to 85°C.
Mode of Vibration:
“AT” Fundamental, or “AT” 3rd Overtone.
Load:
10 to 32pF or series resonant.
Drive Level:
1mW maximum.
Shunt Capacitance:
7pF maximum.
Seal:
Resistance weld.
DIMENSIONAL CONFIGURATIONS
[Numbers in brackets indicate millimeters]
0.435 [11.05]
Max.
0.183 [4.65]
Max.
0.138 [3.5]
Max.
0.520
[13.2]
0.192
±
0.008
[4.88
±
0.2]
0.018 + 0.002 - 0.001
[0.45 + 0.05 - 0.03]
HOW TO ORDER
XT49S
MODEL
- 20
LOAD
Blank = Series
- 16 = 16pF
- 20 = 20pF Standard
- 30 = 30pF
- 32 = 32pF
SP
OPTIONS
Blank = Standard
SP = Spacer
CT = Cut Leads
SL = Sleeve
TR
PACKAGING
Blank = Bulk
TR = Tape and Reel
12M
FREQUENCY/MH
Z
Document Number 35014
Revision 16-Mar-00
www.vishay.com
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