18QHTF21-25.000875-PD

Oscillators Overview

The 18QHTF21-25.000875-PD is a standard XO (crystal oscillator) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 25.000875 MHz and utilizes LVCMOS output logic. The device is designed for surface mount applications, featuring a compact 4-SMD, No Lead package configuration. It supports a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption during inactive periods. This component serves as a precise clock source for digital circuits requiring stable frequency generation.

Oscillators Feature Summary

• Provides stable clock signal generation via LVCMOS output interface
• Incorporates standby mode capability for power management
• Engineered for surface mount integration in compact designs

Oscillators Applications

• Microprocessor clock sources
• Communications circuit timing
• Digital system synchronization

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your specific circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Cross-reference the manufacturer's latest datasheet for any updates on operating temperature ranges or electrical characteristics to guarantee compatibility with your application environment.

Oscillators Selection Notes

Select this oscillator when a precise 25.000875 MHz reference is required for low-voltage digital systems. Consider the LVCMOS output compatibility with your downstream logic levels. Evaluate the need for standby functionality if power efficiency is a priority. Compare the physical size of the 4-SMD package against available board space. Ensure the operating temperature range meets the environmental conditions of the final product deployment.

Oscillators Part Context

Mercury Electronics Ind. Co. Ltd specializes in frequency control products, including quartz crystals and oscillators. The 18QHTF21 series represents their surface mount oscillator offerings. This specific model falls under the standard XO category, providing reliable timing solutions for various electronic applications. The company has a long history in manufacturing precision frequency components, ensuring quality and consistency in their production processes.

Oscillators Replacement Considerations

Direct substitutes must match the 25.000875 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical specifications before substitution. Consult the manufacturer's official replacement guide for approved alternatives.