XT49M
Vishay Dale
Quartz Crystals
3.579MHz to 66.0MHz
FEATURES
•
Low profile.
•
Hermetically sealed.
•
Tape and reel packaging.
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.
(- 40°C to + 85°C optional).
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.
DIMENSIONS
in inches [millimeters]
0.450
±
0.024
[11.4
±
0.6]
0.178
±
0.008
[4.5
±
0.2]
0.150 [3.80]
Max.
0.406 [10.3]
Max.
0.177 [4.5]
Max.
0.039 [1.0]
Max.
0.485
±
0.024
[12.3
±
0.6]
ORDERING INFORMATION
XT49M
MODEL
R
OTR
Blank = Standard
R = - 40°C to + 85°C
- 20
LOAD
Blank = Series
- 20 = 20pF
- 30 = 30pF
- 32 = 32pF
20M
FREQUENCY/MH
Z
Document Number 35012
Revision 18-Dec-01
For technical questions, contact frequency@vishay.com
www.vishay.com
11
VISHAY [ VISHAY TELEFUNKEN ]
