18QHTF21-125.000-PD

Overview

The 18QHTF21-125.000-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 125 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a power-down standby mode for energy efficiency. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes power-down standby functionality to reduce consumption
• Designed for low voltage operation at 1.8V

Applications

• Battery-powered portable devices
• Digital signal processing systems
• Communication equipment requiring precise clocking

Procurement Notes

Verify the specific ordering suffix PD against official Mercury Electronics documentation to confirm package type and tape-and-reel specifications. Ensure the 1.8V supply requirement aligns with system design constraints before procurement. Cross-reference the 125 MHz frequency tolerance with application requirements.

Selection Notes

Select this component when a 125 MHz clock source with LVCMOS outputs is required in a minimal footprint. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the 2.0x1.6 mm SMD package for space-constrained PCB layouts.

Part Context

This part belongs to the Mercury Electronics XO series, which provides precision frequency control solutions. The manufacturer has produced crystal products since 1973, establishing expertise in Taiwan's crystal industry. This specific model represents their standard oscillator line optimized for high-frequency digital applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Verify compatibility with alternative oscillators based on pinout, voltage, and frequency specifications.