18QHTF21-40.079-PD

Oscillators Overview

The 18QHTF21-40.079-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.079 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates a standby mode for power management
• Provides LVCMOS output signal compatibility

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 40.079 MHz specification. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint is compatible with the PCB layout. Check for any additional ordering suffixes that may affect availability or specifications.

Oscillators Selection Notes

Select this component when a precise 40.079 MHz reference is needed in space-constrained designs. The 1.8V operating voltage makes it suitable for modern low-power applications. The integrated power-down feature aids in energy efficiency requirements. Verify thermal performance within the specified operating temperature range.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal products. The series typically features small form factors like the 2.0x1.6mm package. Mercury Electronics has a long history in manufacturing frequency control components.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants such as 18QHTF21-40.000-PD or 18QHTF21-40.500-PD if frequency tolerance allows. Cross-reference with similar 4-SMD LVCMOS oscillators from other manufacturers ensuring identical pinout and voltage ratings.