18QHTF21-30.811-OE

Oscillators Overview

The 18QHTF21-30.811-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 30.811 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications with a supply voltage range of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. It supports an operating temperature range suitable for standard commercial environments.

Oscillators Feature Summary

• Integrates LVCMOS output interface for direct digital logic compatibility
• Includes hardware enable/disable pin for active power management
• Utilizes surface-mount no-lead packaging for automated assembly

Oscillators Applications

• Portable consumer electronics requiring low power consumption
• Communication modules needing precise clock synchronization
• Embedded systems utilizing standard CMOS logic families

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the PCB footprint matches the 4-SMD no-lead package specifications to prevent soldering defects during assembly.

Oscillators Selection Notes

Select this component when a low-profile, single-supply oscillator is required for high-density boards. Consider the enable feature if dynamic power saving is critical. Compare performance metrics such as phase noise and jitter against alternative models from the same series to ensure signal integrity meets system specifications.

Oscillators Part Context

This model belongs to the QHTF series of surface-mount oscillators from Mercury Electronics. The series is characterized by small form factors and low voltage operation. It complements other products like the 18QHTF21-65.300-OE and 18QHTF21-49.3811-OE, offering consistent packaging and electrical characteristics across different frequency options within the family.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with compatible frequencies and LVCMOS outputs. Verify pinout compatibility and thermal characteristics when cross-referencing with similar packages from different manufacturers.