18QHTF21-28.1261-PD

Oscillators Overview

The 18QHTF21-28.1261-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 28.1261 MHz and utilizes LVCMOS output logic. The device is powered by a 1.8V supply voltage and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output logic for digital interfacing

Oscillators Applications

• Digital signal processing circuits
• Communication equipment timing references
• Embedded system clock generation

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your design specifications before procurement. Ensure that the PCB footprint matches the 4-SMD, No Lead package dimensions of 2.0mm x 1.6mm to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this model when a 28.1261 MHz reference is required with low power consumption capabilities. The 1.8V supply requirement makes it suitable for modern low-voltage digital systems. Consider the standby feature if power efficiency is critical for the application environment.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which specializes in quartz-based timing solutions. The manufacturer has decades of experience in producing frequency control products including crystals, oscillators, and filters. This specific model represents their standard output oscillator line designed for general-purpose electronic applications.

Oscillators Replacement Considerations

Direct substitutes must match the 28.1261 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify compatibility with existing circuit designs regarding drive strength and load capacitance before replacing.