18QHTF21-4.754687-PD

Oscillators Overview

The 18QHTF21-4.754687-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 4.754687 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, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby power-down functionality to reduce energy consumption
• Utilizes a 4-SMD no-lead surface mount package for space-constrained designs

Oscillators Applications

• General clock signal generation for embedded systems
• Timing reference for low-frequency digital circuits
• Power-efficient portable electronic devices

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD footprint matches the PCB layout design rules. Check for any specific ordering suffixes that may affect performance characteristics or packaging options.

Oscillators Selection Notes

Select this component when a precise 4.754687 MHz timing source is required for LVCMOS-compatible logic. Consider the 1.8V operating voltage and standby feature for battery-powered or energy-sensitive applications. Evaluate the 4-SMD package size against available board space. Compare against other Mercury Electronics series if different form factors or voltage levels are needed.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of standard XO oscillators. The series typically offers various frequencies with LVCMOS outputs and low-voltage operation. Mercury Electronics is a established manufacturer of frequency control products, providing quartz-based solutions for industrial and consumer electronics markets.

Oscillators Replacement Considerations

Direct substitutes must match the 4.754687 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical specifications from alternative manufacturers. Cross-reference with other Mercury Electronics models in the same series for potential drop-in replacements.