18QHTF21-25.002645-PD

Oscillators Overview

The 18QHTF21-25.002645-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 25.002645 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode capability
• Features LVCMOS output interface

Oscillators Applications

• General clock signal generation
• Embedded system timing references
• Digital circuit synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable assembly.

Oscillators Selection Notes

Select this component when a precise 25.002645 MHz clock source is required for low-power applications. The LVCMOS output is suitable for direct interfacing with digital logic families operating at 1.8V. Consider the small form factor if space is limited on the printed circuit board. Evaluate the standby feature benefits for battery-operated devices requiring power conservation during idle periods.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal components. The series offers various frequencies within a standardized 2.0x1.6 mm package. Mercury Electronics has a long history in Taiwan's quartz industry, providing reliable frequency control solutions for electronic manufacturing.

Oscillators Replacement Considerations

Direct substitutes may include other 25.002645 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pin compatibility and electrical characteristics such as phase noise and jitter before substitution. Consult distributor databases for cross-reference lists to identify equivalent parts from other manufacturers.