18QHTF21-73.253125-OE

Overview

The 18QHTF21-73.253125-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 73.253125 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes an enable/disable control pin for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Integrates LVCMOS output interface for digital signal compatibility
• Features enable/disable functionality for power optimization
• Utilizes surface-mount SMD package for automated assembly

Applications

• Digital clock generation in embedded systems
• Timing reference for communication interfaces
• Power-sensitive portable electronic devices

Procurement Notes

Verify the specific ordering suffix to ensure correct configuration. Confirm that the OE variant matches the required enable pin functionality. Check datasheet specifications for load capacitance requirements. Validate package dimensions against PCB footprint constraints. Ensure supply voltage aligns with system 1.8V rails.

Selection Notes

Select this component when a precise 73.253125 MHz timing source is required. Consider the 1.8V operating voltage for low-power applications. Evaluate the small 2.0x1.6 mm footprint for space-constrained designs. Verify LVCMOS compatibility with downstream logic circuits. Assess thermal performance within the specified operating range.

Part Context

This oscillator belongs to the Mercury Electronic XO series designed for standard timing applications. The brand specializes in quartz crystal products with decades of industry experience. The model number indicates specific electrical parameters and package type. It serves as a fundamental timing element in modern electronic assemblies.

Replacement Considerations

Cross-reference compatible oscillators with identical 73.253125 MHz frequency. Ensure replacement parts support 1.8V LVCMOS outputs. Verify matching 4-SMD no-lead package dimensions. Confirm equivalent enable/disable pin functionality if required.