DXT49410.000A20XXXX Datasheet, PDF (1/1 Pages) Dubilier – CRYSTALS LOW PROFILE CRYSTAL HOLDER & SMT DXT494/49SM

CRYSTALS
Useful replacement for DXT49
Where board space is paramount
Standard frequencies readily available
Resistance welded can
Surface mount version DXT49SM also available
LOW PROFILE CRYSTAL HOLDER & SMT DXT494/49SM
SPECIFICATION
Frequency Range (Fo)
Frequency Tolerance at 25°C +3°C
Temperature Stability (Ref to 25°C)
Operating Temperature Range (TOPR)
Storage Temperature Range (TSTG)
Shunt Capacitance (Co)
Load Capacitance (CL)
Insulation Resistance
Drive Level
Ageing (at 25°Cº)
3.200MHZ to 66.000MHZ
±50ppm (typ)
±50ppm
±50ppm (typ)
±100ppm
0°C to 70°C (AT) 0°C to 70°C (BT)
-40°C to 85°C
7pF Max
10 to 32 pF or Series Resonant
500 Megaohms Minimum at 100Vdc
1mWatts Max
±5ppm/year Max
EQUIVALENT SERIES RESISTANCE (ESR)
MODE OF OPERATION (MODE)
Frequency Range
3.200MHz to 4.499MHz
4.500MHz to 5.999MHz
6.000MHz to 6.999MHz
7.000MHz to 7.999MHz
8.000MHz to 8.999MHz
9.000MHz to 9.999MHz
10.000MHz to 12.999MHz
13.000MHz to 30.000MHz
30.000MHz to 66.000MHz
27.000MHz to 40.000MHz
Max ESR (Ω)
150
120
100
90
80
60
50
40
80
40
Mode
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT
Fundamental/AT^11.05
3rd Overtone
Fundamental/BT
ø0.45
OUTLINE DRAWING
11.05
ø0.45
12.3+/-
11.4+/-
4.88
Dimensions in mm
DXT494
DXT49SM
3.8 Max
12.3+/-0.6
11.4+/-0.6
ORDERING INFORMATION
4.88
DXT494
Series
DXT494
DXT49SM
10.000
Frequency
(MHz)
A
Mode of
Operation
A-AT Cut Fund
B-BT Cut Fund
T-3rd Overtone
DXT494
20
XX
XX
Load
Capacitance
or Series
Resistance
Options
Frequency Temperature
Tolerance
Stability
ppm
ppm
DXT49SM
XX
TR = Taped
and reeled
Blank = Loose
119
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