18QHTF21-119.466-PD

Overview

The 18QHTF21-119.466-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 119.466 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features a standby mode for power down capabilities to reduce energy consumption during inactive periods. The component is housed in a compact 4-SMD, No Lead package, suitable for surface mount assembly on printed circuit boards.

Feature Summary

• Supports LVCMOS output signal compatibility
• Includes standby function for power management
• Designed for low-voltage operation

Applications

• General timing circuits requiring precise clock signals
• Low-voltage digital systems
• Surface mount electronic assemblies

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Ensure the 1.8V supply voltage aligns with your power rail specifications. Confirm that the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable joint formation.

Selection Notes

Select this component when a 119.466 MHz clock source is required for LVCMOS-compatible logic families. Consider the 1.8V operating voltage as a primary constraint for power supply design. Evaluate the need for standby functionality if power efficiency is critical for the application. Compare the physical size of the 4-SMD package against available board space relative to other oscillator options.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized small outline package. The series typically supports LVCMOS outputs and low-voltage operation. Similar models in the lineup include different frequency variants such as 50.044667 MHz or 51.200 MHz, maintaining consistent electrical characteristics and packaging styles across the product line.

Replacement Considerations

Direct substitutes must match the 119.466 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and thermal characteristics. Cross-reference with other manufacturers offering identical specifications if Mercury Electronics availability is limited.