18QHTF21-27.092008-PD

Oscillators Overview

The 18QHTF21-27.092008-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 27.092008 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down function to manage energy consumption during inactive periods. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This surface-mount configuration facilitates automated assembly and integration into space-constrained electronic circuits requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V for efficient power management
• Includes standby mode capability to reduce current draw when not in use
• Provides stable LVCMOS output signals for digital interface compatibility

Oscillators Applications

• General-purpose clock generation for embedded systems
• Timing reference for communication interfaces
• Power-sensitive portable electronic devices

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable joint formation during assembly processes.

Oscillators Selection Notes

Select this component when a precise 27.092008 MHz clock signal is required within a small form factor. Consider the 1.8V operating voltage if your design prioritizes low-power consumption. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Evaluate the need for the standby feature if power efficiency during idle states is a critical design constraint for your application.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal components. The series offers various frequencies packaged in small SMD formats. Mercury Electronics has a long history in Taiwan manufacturing frequency control products. This specific model represents a standard XO variant optimized for modern low-voltage digital applications requiring compact size and reliable timing performance.

Oscillators Replacement Considerations

Direct substitutes may include other 27.092008 MHz LVCMOS oscillators in 2.0x1.6mm packages from different manufacturers. Verify electrical compatibility regarding voltage, current draw, and output waveform. Ensure mechanical fitment matches the 4-SMD no-lead footprint. Cross-reference specifications for temperature stability and aging rates to maintain system timing accuracy.