18QHTF21-15.553-PD

Oscillators Overview

The 18QHTF21-15.553-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 15.553 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Features LVCMOS output interface

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Compact embedded systems with space constraints
• Digital communication interfaces utilizing standard logic levels

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage and package dimensions. Confirm that the 1.8V supply requirement aligns with the target system design. Check for RoHS compliance status if environmental regulations apply to the end product. Ensure the 4-SMD no-lead package fits within the designated footprint on the printed circuit board layout.

Oscillators Selection Notes

Select this component when a small form factor is critical due to its 2.0x1.6 mm size. Choose it for applications necessitating a 1.8V operating voltage to match low-power logic families. Consider the integrated power-down feature for battery-operated devices where standby current reduction is essential for extending operational life.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan producing such components. This series typically offers standard oscillators suitable for various digital applications requiring precise timing signals.

Oscillators Replacement Considerations

Direct substitutes include other 15.553 MHz XO units with identical 1.8V LVCMOS specifications and 4-SMD no-lead packages. Verify pinout compatibility and thermal characteristics before swapping manufacturers.