18QHTF21-41.665-PD

Oscillators Overview

The 18QHTF21-41.665-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fundamental frequency of 41.665 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a supply voltage of 1.8V and including a standby or power-down function to reduce energy consumption during inactive periods. It is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly in space-constrained electronic designs.

Oscillators Feature Summary

• Generates a precise 41.665 MHz clock signal using LVCMOS interface
• Operates on a single 1.8V power supply rail
• Includes standby mode capability for power management

Oscillators Applications

• General-purpose digital circuit clocking
• Embedded systems requiring low-voltage operation
• Portable electronics with power constraints

Oscillators Procurement Notes

Verify the specific ordering suffix and package variant against the manufacturer's latest datasheet to ensure compatibility with your PCB footprint and voltage requirements. Confirm that the LVCMOS output swing matches your receiving component's input thresholds. Check for any RoHS compliance documentation if required by your manufacturing standards.

Oscillators Selection Notes

Select this component when a 41.665 MHz reference is needed with a 1.8V supply constraint. Ensure the system design supports the current draw specified in the electrical characteristics table. Consider the thermal performance of the 4-SMD package if operating in high-ambient temperature environments.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in quartz crystals and frequency control products. The company has decades of experience producing oscillators, resonators, and filters. This part belongs to their series of surface-mount crystal oscillators designed for consumer and industrial electronics.

Oscillators Replacement Considerations

No public substitute part numbers are confirmed in the provided documentation. Cross-referencing requires matching frequency, voltage, package, and output logic specifications.