18QHTF21-10.209-PD

Overview

The 18QHTF21-10.209-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 10.209 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a power-down function for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down capability for energy management
• Provides LVCMOS output signal compatibility

Applications

• Battery-powered electronic devices
• Portable consumer electronics
• General-purpose clock generation circuits

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply rail stability meets the oscillator's specifications to maintain accurate timing performance. Confirm that the PCB layout accommodates the 2.0x1.6 mm SMD footprint correctly.

Selection Notes

Select this component when a small form factor is required alongside low-power consumption. The integrated power-down feature makes it suitable for applications requiring active and inactive states. Ensure the system design supports LVCMOS logic levels for direct interfacing without additional level shifting.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on miniature surface-mount oscillators. The series typically offers various frequencies and supply voltages, catering to modern portable electronics that demand high precision in tight spaces.

Replacement Considerations

Direct substitutes include other 10.209 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and thermal characteristics when swapping manufacturers.