18QHTF21-18.4332-PD

Oscillators Overview

The 18QHTF21-18.4332-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It provides a precise output frequency of 18.4332 MHz using LVCMOS logic levels. The device operates at a supply voltage of 1.8V and features a standby or power-down mode for energy efficiency. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6 mm, suitable for space-constrained surface-mount applications.

Oscillators Feature Summary

• Standard XO configuration with LVCMOS output interface
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Digital communication systems requiring precise clock signals
• Embedded systems with low-voltage logic interfaces
• Portable electronic devices utilizing space-saving SMD components

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and package types. Confirm that the LVCMOS output matches the receiving circuit's input requirements. Check datasheet specifications for load capacitance and drive strength to ensure signal integrity in the target application environment.

Oscillators Selection Notes

Select this component when a fixed 18.4332 MHz frequency is required with low power consumption. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the small 2.0x1.6 mm footprint for dense PCB layouts where larger packages are not feasible.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series includes various frequencies such as 6 MHz, 8 MHz, and 25.2 MHz, all sharing similar low-profile packaging and LVCMOS output characteristics. The manufacturer has decades of experience in quartz crystal production.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants like 18QHTF21-8.000-PD or 18QHTF21-25.200-PD if frequency differences are acceptable. Ensure any replacement maintains the 1.8V supply requirement and 4-SMD no-lead package form factor for mechanical compatibility.