18QHTF21-18.331111-PD

Oscillators Overview

The 18QHTF21-18.331111-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 18.331111 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features a Standby (Power Down) control mode for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports standby power down functionality
• LVCMOS output interface
• Compact 4-SMD no lead package

Oscillators Applications

• Embedded systems requiring low voltage operation
• Portable electronic devices
• Communication modules

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your circuit design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Cross-reference the datasheet for thermal and environmental operating limits to guarantee reliability in your specific application environment.

Oscillators Selection Notes

Select this component when a stable 18.331111 MHz clock signal is required with minimal power consumption. The LVCMOS interface ensures compatibility with standard digital logic families. The standby feature allows for energy savings in battery-operated devices. Consider the small form factor for space-constrained designs. Verify that the manufacturing source is authorized to ensure product authenticity and quality consistency.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics Ind. Co. Ltd. The series offers various frequencies with standardized LVCMOS outputs. Mercury Electronics is a pioneer in quartz crystal manufacturing, providing frequency control products since 1973. This specific model represents a standard XO variant designed for general-purpose timing applications in modern electronics.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series parts with identical pinout and electrical characteristics but different frequencies, such as 18QHTF21-18.080-PD or 18QHTF21-11.000-PD, provided the frequency difference is acceptable for the application. Ensure any replacement maintains the 1.8V supply and LVCMOS output requirements.