QT49
MHz Crystal
Fuel The Digital World
Features
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Applications
Frequency range : 3.2MHz to 90MHz
Resistance welded, metal can DIP type
External dimensions (mm)
L : 11.5 x W : 5.0 x H : 3.68
RoHS compliant & Pb free
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TV, STB, Cable modem
Microprocessor
Computer peripherals
Home electronics
Consumer products
Electrical Characteristics
Item
QT49
Conditions
Frequency Range
F0
3.2MHz ~ 90MHz
Frequency Tolerance
Ftol
±30ppm, ±20ppm, ±10ppm
at 25°C
Frequency Stability over
Operating Temperature Range
Fstab
±30ppm, ±20ppm, ±10ppm
refer to 25°C
Operating Temperature Range
TOTR
-20°C ~ +70°C
Shunt Capacitance
C0
7pF Max.
Drive Level
DL
1 ~ 500μW (100μW Typ.)
Load Capacitance
CL
12pF, 18pF, 20pF
Aging
Faging
±5 ppm Max.
Storage Temperature Range
TSTR
-55°C ~ +125°C
Motional Resistance (ESR)
at 25°C ± 3°C,first year
Dimensions
Fundamental
3.2 ~ 3.686
3.686 ~ 5
5 ~ 10
10 ~ 14
14 ~ 30
MHz
MHz
MHz
MHz
MHz
200Ω
150Ω
80Ω
40Ω
30Ω
Max.
Max.
Max.
Max.
Max.
Top View
Side View
3rd Overtone
27 ~ 30 MHz
30 ~ 50 MHz
50 ~ 90 MHz
Rev. 1.04
100Ω Max.
80Ω Max.
60Ω Max.
Bottom View
Page 1
(Unit: mm)
www.qstproducts.com
QT49
MHz Crystal
Fuel The Digital World
Ordering Information
QT49
-
12.000M A A J - B
Frequency in Hz
Packaging Method
B
Please contact us for
available frequencies
Bulk
Load Capacitance
Frequency Tolerance (at 25°C)
A
D
E
E
J
K
± 30 ppm
± 20 ppm
± 10 ppm
12 pF
18 pF
20 pF
Frequency Stability (over Temp.)
A
D
E
± 30 ppm ( -20°C ~ +70°C )
± 20 ppm ( -20°C ~ +70°C )
± 10 ppm ( -20°C ~ +70°C )
Packing
Inner box
Logo sticker (carton and inner box)
(Unit: mm)
Rev. 1.04
Page 2
www.qstproducts.com
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