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The QT325S-19.200MAHJ-T is a 19.2 MHz fundamental mode quartz crystal resonator manufactured by QST. It features a 4-SMD, No Lead package with dimensions of 3.2 x 2.5 mm. The device operates with an 18 pF load capacitance and exhibits a maximum equivalent series resistance (ESR) of 60 Ohms. Frequency stability is specified at ±30 ppm within the operating temperature range of -40°C to +85°C.
Verify the specific suffix HJ against official QST documentation to confirm the exact frequency tolerance and temperature range specifications. Ensure the ordering part number matches the required electrical parameters for the target application design.
Select this component when a 19.2 MHz reference is required in a compact SMD footprint. Confirm that the system load capacitance aligns with the 18 pF specification to ensure accurate oscillation frequency.
This component belongs to the QT325S series of thin-film or bulk acoustic wave crystals designed for high-volume surface-mount applications. The series offers various frequency options and stability grades suitable for consumer and industrial electronics.
Direct substitutes include other 19.2 MHz crystals in 3225 packages with matching 18 pF load capacitance and ≤60 Ohm ESR. Verify pin compatibility and thermal characteristics before substitution.