18QHTF21-41.6666-PD

Oscillators Overview

The 18QHTF21-41.6666-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 41.6666 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a standby function for power down control. It is housed in a compact 4-SMD, No Lead package with surface mount mounting type. This component is designed for applications requiring precise timing signals within low-voltage digital systems.

Oscillators Feature Summary

• Supports LVCMOS output logic for standard digital interfacing
• Includes standby mode capability for power management
• Utilizes a leadless SMD package for surface mount assembly

Oscillators Applications

• General purpose clock generation in digital circuits
• Timing reference for microprocessors and memory devices
• Communication interface synchronization

Oscillators Procurement Notes

Verify the exact frequency specification against official datasheets, as similar part numbers may vary slightly in decimal precision. Confirm that the 1.8V supply voltage aligns with system requirements. Ensure the 4-SMD no-lead package footprint matches the PCB layout design. Check for RoHS compliance status if required by project specifications.

Oscillators Selection Notes

Select this component when a 41.6666 MHz clock signal is required with LVCMOS compatibility. Consider the 1.8V operating voltage constraint during system design. Evaluate the need for standby functionality to optimize power consumption. Compare physical dimensions of the 4-SMD package against available board space constraints.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which focuses on quartz-based frequency control products. The series typically offers various frequencies and voltage options. Mercury Electronics has been manufacturing these components since 1973, establishing expertise in the quartz industry.

Oscillators Replacement Considerations

Direct substitutes include other 41.6666 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical characteristics before substitution. Alternative part numbers such as 18QHTF21-41.665-PD exist but differ in frequency.