18QHTF21-29.792-PD

Oscillators Overview

The 18QHTF21-29.792-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 29.792 MHz with LVCMOS output logic levels. The device requires a supply voltage of 1.8V and features a power-down function for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for applications requiring precise clock signals in low-voltage digital systems.

Oscillators Feature Summary

• Supports LVCMOS output logic for direct interface with digital circuits
• Includes power-down functionality to enable standby mode operation
• Utilizes a small form factor 4-SMD no lead package design

Oscillators Applications

• General purpose clock signal generation in embedded systems
• Timing reference for microcontrollers and processors
• Digital communication interfaces requiring stable frequency sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable assembly and long-term performance stability.

Oscillators Selection Notes

Select this component when a 29.792 MHz clock source is required with LVCMOS compatibility. Consider the 1.8V operating voltage constraint for power budgeting. The integrated power-down feature offers energy savings if standby modes are utilized. Evaluate the physical size constraints to ensure the 2.0x1.6mm package fits within the available board space compared to larger oscillator options.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on low-profile surface mount oscillators. The series typically includes various frequencies and voltage options. Mercury Electronics is a specialized manufacturer of frequency control products, emphasizing quartz crystal technology. This specific model represents a standard XO variant optimized for modern compact electronic devices.

Oscillators Replacement Considerations

Direct substitutes must match the 29.792 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter specifications. Cross-reference with other manufacturers offering similar low-profile oscillators to ensure functional equivalence in timing-sensitive applications.