18QHTF21-25.00175-PD

Oscillators Overview

The 18QHTF21-25.00175-PD is a 25.00175 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a supply voltage of 1.8V and utilizes LVCMOS output logic. The component features a Standby (Power Down) control function for power 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 CMOS (LVCMOS) output interface
• Includes standby mode capability for power reduction
• Utilizes ultra-small surface mount packaging

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication modules needing precise clock signals
• Embedded systems utilizing 1.8V logic levels

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V operating voltage aligns with your system's power rail. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints to avoid assembly issues.

Oscillators Selection Notes

Select this model when a 25.00175 MHz reference is required alongside strict space limitations due to its 2.0x1.6 mm form factor. Consider the 1.8V supply requirement and LVCMOS compatibility with your target microcontroller or FPGA. The standby feature makes it suitable for battery-operated applications where power efficiency is critical during idle states.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in miniature oscillators. The series typically offers various frequencies within a small footprint, catering to modern electronics trends toward miniaturization. Mercury Electronics has a long history in quartz crystal manufacturing, providing reliable frequency control solutions.

Oscillators Replacement Considerations

Direct substitutes include other 25.00175 MHz XO models with identical 1.8V LVCMOS outputs and 4-SMD 2.0x1.6mm packages. Verify pinout compatibility and electrical specifications before swapping manufacturers.