18QHTF21-43.050-PD

Oscillators Overview

The 18QHTF21-43.050-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a fixed frequency of 43.05 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The component features a Standby mode for power down capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes Standby functionality to enable power down operations
• Utilizes a small form factor SMD package for surface mount assembly

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 43.05 MHz
• Embedded devices utilizing low voltage CMOS interfaces

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the system design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints. Check for RoHS compliance status if required by environmental regulations.

Oscillators Selection Notes

Select this component when a precise 43.05 MHz timing source is required within space-constrained designs. The choice is driven by the need for LVCMOS compatibility and low voltage operation. Consider the thermal performance and stability characteristics relative to the application environment. Evaluate the power consumption benefits provided by the standby feature during idle periods.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The manufacturer has extensive experience in quartz crystal manufacturing. This specific model represents a standard XO variant designed for modern electronics requiring reliable timing signals in miniature packages.

Oscillators Replacement Considerations

Direct substitutes include other 43.05 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers. Verify pinout compatibility and electrical parameters such as supply voltage and output swing. Ensure the replacement supports the same standby functionality and operates within the required temperature range.