18QHTF21-44.0659-PD

Oscillators Overview

The 18QHTF21-44.0659-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 44.0659 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, no lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby mode for power reduction
• Compact 4-SMD no lead surface-mount package

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD package dimensions fit within your PCB layout constraints. Cross-reference the manufacturer part number to ensure authenticity and availability from authorized channels.

Oscillators Selection Notes

Select this component when a stable 44.0659 MHz clock source is required for LVCMOS-compatible digital circuits. Consider the 1.8V operating voltage and low-power standby feature for battery-sensitive or efficiency-critical designs. The small form factor makes it appropriate for space-constrained portable electronics or dense board layouts where minimal footprint is essential.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a standardized 4-SMD package. The series typically targets applications needing reliable timing solutions with low power consumption. Mercury Electronics specializes in frequency control products, leveraging decades of experience in quartz crystal manufacturing to provide consistent performance across their oscillator lineup.

Oscillators Replacement Considerations

Direct substitutes may include other 44.0659 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility, voltage levels, and electrical characteristics such as phase noise and stability before substitution. Ensure the replacement part meets the same thermal and mechanical specifications to maintain system integrity.