18QHTF21-19.132867-PD

Oscillators Overview

The 18QHTF21-19.132867-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.132867 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 with dimensions of 2.0x1.6 mm. The component is designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode for power reduction
• Provides LVCMOS signal compatibility

Oscillators Applications

• Digital clock generation
• Data communication interfaces
• Embedded system timing

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against the specific application design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's operational specifications. Ensure the PCB footprint matches the 2.0x1.6 mm SMD package dimensions to guarantee proper soldering and mechanical retention during assembly processes.

Oscillators Selection Notes

Select this component when a precise 19.132867 MHz reference is required in space-constrained designs. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the LVCMOS interface compatibility with downstream logic gates. The integrated power-down feature offers an advantage in battery-operated devices where standby current consumption must be minimized effectively.

Oscillators Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal products. The series typically features small form factors suitable for portable electronics. Mercury has a long history in Taiwan's crystal manufacturing industry, providing reliable frequency control solutions for various industrial and consumer applications globally.

Oscillators Replacement Considerations

Direct substitutes include other 19.132867 MHz oscillators with identical 1.8V LVCMOS outputs and 4-SMD no-lead packages. Verify pinout compatibility and thermal characteristics before swapping. Alternative models from different manufacturers may require circuit adjustments if voltage levels or drive strengths differ significantly.