18QHTF21-41.6665-PD

Oscillators Overview

The 18QHTF21-41.6665-PD is a 41.6665 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The component 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 standard frequency oscillator is designed for applications requiring precise timing signals within low-voltage digital systems.

Oscillators Feature Summary

• Supports LVCMOS output logic for standard digital interfacing
• Includes power-down capability for energy-efficient standby operation
• Utilizes a compact 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Low voltage digital circuit timing
• Portable electronic devices requiring small form factor oscillators

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Ensure the 1.8V supply voltage aligns with the target system design. Confirm that the 4-SMD package footprint matches the PCB layout constraints. Check for any specific ordering suffixes that may alter electrical characteristics or packaging format.

Oscillators Selection Notes

Select this component when a 41.6665 MHz clock source is required in a space-constrained environment. The 1.8V operating voltage makes it suitable for modern low-power digital logic families. Consider the power-down feature if system-level power management is a priority. Ensure compatibility with LVCMOS input thresholds of the receiving circuitry.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which offers various frequencies in a standardized 2.0x1.6mm SMD package. The 'PD' suffix typically indicates the inclusion of a power-down pin or function. Similar parts in this family include variants with different frequencies such as 51.200 MHz or 68.665 MHz, maintaining consistent electrical and mechanical specifications.

Oscillators Replacement Considerations

Direct replacements must match the 41.6665 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify that substitute components support the same power-down functionality. Cross-reference pinouts to ensure compatibility without circuit modification.