18QHTF21-40.430-OE

Oscillators Overview

The 18QHTF21-40.430-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.43 MHz and utilizes an LVCMOS output interface. The device supports a supply voltage of 1.8V and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm, designed for surface-mount applications.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/Disable control capability
• Compact 4-SMD no lead package

Oscillators Applications

• General electronic circuits requiring precise timing
• Embedded systems utilizing low-voltage logic
• Portable devices necessitating small form factor oscillators

Oscillators Procurement Notes

Verify the specific suffix 'OE' against official Mercury Electronics documentation to confirm the enable/disable feature and voltage specifications. Ensure the 4-SMD no lead package matches the target PCB footprint requirements. Cross-reference the 40.43 MHz frequency tolerance with system design constraints before finalizing procurement.

Oscillators Selection Notes

Select this component when a 1.8V supply voltage and LVCMOS compatibility are required. The enable/disable feature makes it suitable for battery-powered applications where power conservation is critical. The small 2.0x1.6 mm package allows for high-density board layouts compared to larger oscillator packages.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on low-profile surface-mount oscillators. The series typically offers various frequencies and voltage options within a standardized small outline package format, catering to modern consumer electronics and communication devices.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with matching 40.43 MHz frequency and 1.8V operation, such as the 18QHTF21-40.430-PD if pinout and electrical characteristics align. Verify package compatibility and functional equivalence before substitution.