18QHTF21-118.490-PD

Oscillators Overview

The 18QHTF21-118.490-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 118.49 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby mode for power down functionality. 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 requirement
• Includes standby capability for power management
• Utilizes LVCMOS output interface for digital compatibility

Oscillators Applications

• General clock signal generation
• Digital system timing references
• Embedded electronics requiring precise frequency control

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 voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a stable 118.49 MHz reference is required for LVCMOS-compatible circuits. Consider the 1.8V operating voltage constraint and the need for power-down functionality. Evaluate the thermal performance within the specified operating temperature range to ensure reliability under continuous operation conditions in the intended application environment.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency oscillators for various electronic applications. The manufacturer has extensive experience in quartz crystal production, offering reliable frequency control solutions. This specific model represents a surface-mount option designed for modern compact electronic devices requiring precise timing signals.

Oscillators Replacement Considerations

Direct substitutes must match the 118.49 MHz frequency, LVCMOS output type, and 1.8V supply voltage. Verify package compatibility with the 4-SMD no-lead form factor. Cross-reference electrical parameters such as phase noise and jitter if available in official documentation to ensure functional equivalence in the target circuit.