18QHTF21-44.500-PD

Oscillators Overview

The 18QHTF21-44.500-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 44.5 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.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific part number against official Mercury Electronics documentation to confirm electrical parameters and package dimensions. Ensure compatibility with the target supply voltage and load requirements before integration. Cross-reference datasheets for pinout and thermal specifications.

Oscillators Selection Notes

Select this component when a 44.5 MHz LVCMOS clock source is required in a minimal footprint. Consider the 1.8V operating voltage and standby capability for power-sensitive designs. Verify that the 4-SMD no-lead package aligns with PCB assembly capabilities and thermal constraints.

Oscillators Part Context

This model belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering products like TCXOs and VCXOs alongside standard XOs for various industrial and consumer electronics applications.

Oscillators Replacement Considerations

Direct substitutes include other 44.5 MHz LVCMOS oscillators in similar packages from compatible manufacturers. Verify electrical equivalence regarding voltage, current consumption, and pin configuration before swapping.