18QHTF21-45.500-PD

Oscillators Overview

The 18QHTF21-45.500-PD is a 45.5 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a supply voltage of 3.3V and utilizes LVCMOS output logic. The component features a compact 4-SMD, no-lead package with dimensions of 3.2mm x 2.5mm. It includes a standby or power-down control function for energy management. The device is designed for standard clock signal generation applications requiring precise frequency stability within a small form factor suitable for surface-mount assembly.

Oscillators Feature Summary

• Supports low-voltage operation at 3.3V with LVCMOS output compatibility
• Integrates standby and power-down control functionality
• Utilizes a compact 4-SMD no-lead surface-mount package

Oscillators Applications

• General-purpose clock signal generation in digital circuits
• Embedded systems requiring precise timing references
• Communication modules utilizing standard LVCMOS interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 3.3V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 3.2x2.5mm SMD package dimensions to prevent assembly issues. Check for any specific reflow soldering profile recommendations provided by the manufacturer to maintain component integrity during manufacturing.

Oscillators Selection Notes

Select this component when a 45.5 MHz reference clock is required with LVCMOS output levels. Consider the 3.3V operating voltage constraint and ensure it matches your system architecture. The small 3.2x2.5mm package makes it suitable for space-constrained designs. Evaluate the need for standby functionality if power management is a priority in your application environment compared to other oscillator types.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The model number indicates a 45.5 MHz frequency, 3.3V operation, and a specific package type. Mercury Electronics specializes in quartz crystals and oscillators, offering various frequency options within this standardized product line for diverse electronic applications.

Oscillators Replacement Considerations

Direct substitutes may include other 45.5 MHz LVCMOS oscillators in 3.2x2.5mm packages from different manufacturers. Verify pinout compatibility and electrical specifications such as supply voltage and output swing before substitution. Cross-reference with similar Mercury Electronics models if exact availability is an issue.