18QHTF21-40.4333-PD

Oscillators Overview

The 18QHTF21-40.4333-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.4333 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, no-lead package designed for surface-mount applications.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode capability
• Provides LVCMOS signal output

Oscillators Applications

• General electronic circuit timing
• Digital system clock generation
• Embedded device synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints to guarantee proper assembly and electrical connectivity.

Oscillators Selection Notes

Choose this component when a precise 40.4333 MHz clock source is required for low-power digital systems. The LVCMOS interface ensures compatibility with standard logic families. Consider the physical dimensions of the 4-SMD package for space-constrained designs. Evaluate the standby feature benefits if power efficiency during idle states is a critical design parameter.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series typically offers various frequencies within a small form factor. Mercury Electronics has a long history in quartz crystal manufacturing, providing reliable timing solutions for industrial and consumer electronics markets globally.

Oscillators Replacement Considerations

Direct substitutes must match the 40.4333 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and thermal characteristics. Consult manufacturer cross-reference lists for equivalent parts with identical electrical and mechanical specifications.