18QHTF21-47.500-OE

Oscillators Overview

The 18QHTF21-47.500-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 47.5 MHz and utilizes LVCMOS output logic levels. The device requires a 1.8V supply voltage and features an integrated enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm x 1.6mm. This component is designed for timing applications requiring precise clock signals in space-constrained electronic systems.

Oscillators Feature Summary

• Integrates enable/disable functionality for active power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Housed in a compact 4-SMD surface-mount package

Oscillators Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded controller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD, no lead package dimensions to prevent assembly errors. Cross-reference the datasheet for operating temperature ranges to ensure environmental suitability.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a specific 47.5 MHz frequency. The enable pin offers flexibility for power sequencing in battery-operated devices. Consider the small form factor for high-density board layouts. Verify compatibility with LVCMOS interfaces in the downstream logic circuits to ensure signal integrity.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of standard XO oscillators. The series provides various frequencies within a consistent 2.0x1.6mm package. The suffix OE indicates the presence of an enable control feature. Mercury Electronics specializes in quartz crystals and timing components, offering this series as a solution for compact timing needs.

Oscillators Replacement Considerations

Direct substitutes must match the 47.5 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check for equivalent enable/disable functionality. Verify thermal and electrical specifications against the original datasheet to ensure interchangeability without circuit modification.