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Fuel The Digital World
QT1M
kHz Crystal
Features
Applications
● Frequency range : 32.768 kHz
● Small mobile devices
● SMD : Plastic package
Consumer products
● External dimensions (mm)
L : 6.9 x W : 1.4 x H : 1.4
● RoHS compliant
Contains Pb, exempted by RoHS directive
Electrical Characteristics
Item
Symbol
Nominal Frequency
f0
Frequency Tolerance
∆f/f0
Load Capacitance
CL
Operating Temperature Range
TOTR
Storage Temperature Range
TSTR
Turnover Temperature
TM
Temperature Coefficient
β
Motional Capacitance
C1
Motional Resistance (ESR)
R1
Drive Level
DL
Aging
∆f/f0
Shunt Capacitance
C0
QT1M 32.768 kHz
±20 ppm 7pF, 9pF, 12.5pF
-40°C ~ +85°C -55°C ~ +125°C
25°C ± 5°C -0.04ppm/°C2 Max.
1.9 fF Typ. 65 kΩ Max. 1 μW Max. ±3 ppm Max. 0.8 pF Typ.
QT1M Datasheet
