18QHTF21-19.284-PD

Oscillators Overview

The 18QHTF21-19.284-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.284 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, no lead package suitable for surface-mount assembly.

Oscillators Feature Summary

• LVCMOS output interface
• Standby mode support
• Surface-mount package

Oscillators Applications

• General electronic circuits requiring precise timing
• Embedded systems with low voltage requirements
• Portable devices utilizing surface-mount technology

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD package dimensions fit within your PCB layout constraints. Cross-reference the part number suffix to ensure compatibility with your manufacturing process.

Oscillators Selection Notes

Select this component when a stable 19.284 MHz clock signal is required for digital logic interfacing. The LVCMOS output is suitable for direct connection to microcontrollers and FPGAs operating at 1.8V. Consider the standby feature if power conservation is critical during idle periods. Evaluate the thermal performance and mechanical stability of the no-lead package for your specific application environment.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, designed for applications needing reliable frequency control in small form factors. The manufacturer specializes in quartz crystals and oscillators, providing components for various industrial and consumer electronics markets. This specific model represents a standard XO solution for modern low-voltage digital systems.

Oscillators Replacement Considerations

Direct substitutes must match the 19.284 MHz frequency, LVCMOS output type, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter before substitution. Consult official replacement lists from Mercury Electronics or authorized distributors for validated alternatives.