18QHTF21-4.012-OE

Oscillators Overview

The 18QHTF21-4.012-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 4.012 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable function for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications. The component supports an operating temperature range from -40°C to 85°C and maintains a frequency stability of ±50ppm.

Oscillators Feature Summary

• LVCMOS output logic interface
• Enable/Disable control function
• Compact 4-SMD No Lead package

Oscillators Applications

• General-purpose clock generation
• Embedded system timing
• Consumer electronics circuits

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 4.012 MHz target. Confirm the 1.8V supply voltage compatibility with the target circuit design. Ensure the LVCMOS output level aligns with downstream logic inputs. Check the enable/disable pin configuration against the schematic requirements. Validate the operating temperature range meets environmental specifications.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required for timing applications. The LVCMOS output is suitable for standard digital logic interfaces. The enable/disable feature allows for power optimization in battery-operated devices. The wide temperature range ensures reliability in industrial environments. Consider the small form factor for space-constrained PCB layouts.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronic. The series offers various frequencies and voltage options. Mercury Electronic is a Taiwan-based manufacturer specializing in frequency control products. The company has decades of experience in quartz crystal manufacturing. This series provides reliable timing solutions for modern electronic designs.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with matching 4.012 MHz frequency and 1.8V supply. Verify pinout compatibility before substitution. Ensure equivalent frequency stability and temperature range. Cross-reference with other manufacturers offering similar SMD oscillator packages.