18QHTF21-40.975-PD

Oscillators Overview

The 18QHTF21-40.975-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.975 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down capabilities
• Utilizes LVCMOS output logic interface

Oscillators Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. 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

Select this component when a precise 40.975 MHz clock source is required for low-power applications. Consider the LVCMOS compatibility with your target logic family. Evaluate the need for power-down functionality to manage system energy consumption during idle states compared to continuous operation alternatives.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has extensive experience in Taiwan's crystal industry since 1973. This series typically offers standard oscillators designed for compact electronic devices requiring reliable timing signals.

Oscillators Replacement Considerations

Direct substitutes include other variants within the same series such as 18QHTF21-51.200-PD or 18QHTF21-8.000-PD if different frequencies are acceptable. Cross-reference with other manufacturers offering 2.0x1.6mm LVCMOS oscillators with similar voltage and logic specifications.