18QHTF21-72.852-OE

Overview

The 18QHTF21-72.852-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 72.852 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Integrates enable/disable functionality for power management
• Provides stable LVCMOS output signals
• Utilizes a low-profile surface-mount package

Applications

• Digital signal processing circuits
• Communication equipment timing references
• Embedded system clock generation

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead footprint matches your PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Selection Notes

Select this component when a fixed 72.852 MHz frequency is required with low-voltage operation. Consider the enable pin feature if dynamic power saving is necessary. Evaluate the LVCMOS compatibility with downstream logic inputs. Compare package dimensions against available board space constraints to ensure fitment within the designated area.

Part Context

This oscillator belongs to the Mercury Electronics XO series, which focuses on standard frequency control solutions. The brand has established expertise in quartz crystal manufacturing since 1973. This specific model represents a common configuration for general-purpose timing applications requiring reliable performance in consumer and industrial electronics.

Replacement Considerations

Check for other models in the 18QHTF21 series with identical frequencies but different voltage levels or output types. Verify cross-references from other manufacturers offering 72.852 MHz LVCMOS oscillators in 4-SMD packages. Ensure electrical parameters match exactly before substitution.