18QHTF21-25.00112-PD

Oscillators Overview

The 18QHTF21-25.00112-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 25.00112 MHz with LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Integrated standby and power-down functionality for energy management
• LVCMOS output logic compatible with standard digital interfaces
• Compact surface-mount design suitable for space-constrained applications

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 25 MHz signals
• Portable devices utilizing low-voltage power supplies

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package footprint matches your PCB layout to avoid assembly issues. Check for any specific handling instructions regarding electrostatic discharge during installation.

Oscillators Selection Notes

Select this component when a precise 25.00112 MHz timing source is required with low power consumption capabilities. The LVCMOS interface ensures compatibility with a wide range of microcontrollers and FPGAs. Consider the operating temperature range and stability specifications if the application involves harsh environmental conditions. The small form factor makes it ideal for dense board layouts.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options within a standardized 2.0x1.6mm package. It is designed for applications needing reliable clock sources with minimal power usage. The manufacturer has a long history in quartz crystal production, ensuring established quality standards for these components.

Oscillators Replacement Considerations

Direct substitutes may include other 25.00112 MHz LVCMOS oscillators in a 4-SMD no-lead package with 1.8V operation. Verify pinout compatibility and electrical parameters such as current consumption and startup time. Alternative parts from different manufacturers must match the physical dimensions and thermal characteristics to ensure seamless integration without redesigning the PCB.