18QHTF21-29.971-PD

Oscillators Overview

The 18QHTF21-29.971-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 29.971 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, no lead package suitable for surface-mount applications.

Oscillators Feature Summary

• Supports low-voltage operation with 1.8V supply
• Includes standby mode for power reduction
• Utilizes LVCMOS output interface

Oscillators Applications

• General-purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

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 rail is stable within the operational limits defined in the official datasheet. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a precise 29.971 MHz reference is required for digital circuits operating at 1.8V. The LVCMOS output is compatible with standard logic families. Consider the standby feature if power efficiency is critical. Verify that the operating temperature range meets the environmental conditions of the intended deployment scenario.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The manufacturer has decades of experience in Taiwan producing crystals and oscillators. This series represents standard XO solutions designed for modern electronic devices requiring reliable timing signals in small form factors.

Oscillators Replacement Considerations

Direct substitutes must match the 29.971 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check pinout compatibility and thermal characteristics. Verify that alternative manufacturers offer equivalent jitter specifications and phase noise performance to ensure circuit functionality remains unaffected.