18QHTF21-59.788-PD

Overview

The 18QHTF21-59.788-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 59.788 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby power-down mode. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component provides precise timing signals for digital circuits requiring stable clock sources.

Feature Summary

• Supports low-voltage operation with 1.8V supply
• Includes standby power-down functionality for energy efficiency
• Utilizes LVCMOS output logic for digital interface compatibility
• Features a compact surface-mount package design

Applications

• Portable electronic devices requiring low power consumption
• Digital signal processing systems
• Communication equipment needing stable clock references
• Embedded control systems

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm the package footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations defined in the official datasheet to ensure reliability under your environmental conditions.

Selection Notes

Select this component when a precise 59.788 MHz clock source is required with minimal power usage. The LVCMOS output ensures compatibility with standard digital logic families. Consider the small form factor if space is limited on the PCB. Evaluate the need for standby modes to extend battery life in portable applications. Compare performance metrics such as phase noise and stability against other available oscillators in the same series.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The manufacturer has decades of experience in Taiwan's frequency-control industry. Similar models in this series offer different frequencies while maintaining the same package and electrical characteristics. This series is designed for high-volume production and reliable timing solutions.

Replacement Considerations

Direct substitutes within the same series include 18QHTF21-48.7056-PD, 18QHTF21-68.665-PD, and 18QHTF21-18.1059-PD. These parts share identical packaging and electrical interfaces but operate at different frequencies. Ensure the replacement frequency matches your system requirements exactly.