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The 18QHTF21-73.195-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 73.195 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable function for power management. It is housed in a compact 4-SMD, No Lead package. The component supports an operating temperature range of -40°C to 85°C and maintains a frequency stability of ±50ppm.
Verify the specific suffix 'OE' against the manufacturer's current datasheet to confirm availability and exact electrical tolerances. Ensure the 1.8V supply requirement aligns with the target circuit design before procurement. Cross-reference the 4-SMD package dimensions with PCB layout constraints to guarantee mechanical fitment.
Select this component when a low-voltage 1.8V supply is available and precise timing stability within ±50ppm is required. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Consider the operating temperature range to ensure reliability under environmental stress conditions.
Mercury Electronics Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products since 1973. The company produces quartz crystals, oscillators, and filters. This part belongs to their standard XO line, designed for general-purpose timing applications in electronic devices requiring reliable clock signals.
The model 18QHTF21-73.195-PD from the same manufacturer shares similar specifications and may serve as an alternative. Verify pinout compatibility and electrical parameters before substitution.