18QHTF21-25.001-PD

Oscillators Overview

The 18QHTF21-25.001-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 25.001 MHz and utilizes LVCMOS output logic levels. 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 current consumption during inactive periods.

Oscillators Feature Summary

• LVCMOS output interface for digital signal compatibility
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount packaging

Oscillators Applications

• General purpose clock generation in embedded systems
• Digital circuit timing reference sources
• Consumer electronics requiring low-profile oscillators

Oscillators Procurement Notes

Verify the specific ordering suffix and frequency tolerance against the official datasheet before procurement. Ensure the selected variant matches the required supply voltage and package dimensions for the target PCB layout. Confirm availability through authorized distributors to guarantee component authenticity and traceability.

Oscillators Selection Notes

Select this component when a precise 25.001 MHz reference is required with minimal footprint constraints. Consider the 1.8V supply requirement and LVCMOS drive strength for compatibility with downstream logic circuits. Evaluate thermal performance and stability requirements against the standard specifications provided in the manufacturer documentation.

Oscillators Part Context

This part belongs to the QHTF series of clock oscillators from Mercury Electronics. The series offers various frequencies and voltage options within a standardized small outline package. It serves as a fundamental timing element in modern electronic assemblies where space efficiency and reliable clock signals are critical design parameters.

Oscillators Replacement Considerations

Direct substitutes must match the 25.001 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical characteristics before swapping. Consult the manufacturer's cross-reference list for approved alternative part numbers.