18QHTF21-43.008-OE

Oscillators Overview

The 18QHTF21-43.008-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 43.008 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features enable/disable control functionality. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications.

Oscillators Feature Summary

• LVCMOS output logic compatibility
• Integrated enable and disable control capability
• Surface-mount 4-SMD no lead package design

Oscillators Applications

• General electronic timing circuits
• Digital signal processing systems
• Communication equipment clock sources

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 power rails. Ensure the 4-SMD 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 precise 43.008 MHz clock signal is required with low-voltage operation. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the enable/disable feature for power management strategies in battery-operated or energy-efficient designs requiring active clock control.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The manufacturer has decades of experience in Taiwan's quartz industry. This series typically offers standard performance levels for general-purpose timing applications across various consumer and industrial electronics sectors.

Oscillators Replacement Considerations

Direct substitutes must match the 43.008 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as jitter and phase noise if critical. Consult the manufacturer's cross-reference list for approved equivalent parts.