18QHTF21-24.9981-OE

Oscillators Overview

The 18QHTF21-24.9981-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 24.9981 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features an enable/disable control function. It is housed in a compact 4-SMD, no lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no lead surface-mount package

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

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 circuit design. Ensure the 4-SMD no lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS outputs. The enable/disable feature allows for power management in battery-operated devices. Consider the small form factor for space-constrained designs. Validate temperature range specifications against environmental operating conditions to ensure reliability.

Oscillators Part Context

This part belongs to the Mercury Electronic Ind. Co., Ltd. series of surface mount quartz oscillators. The manufacturer specializes in frequency-control components including crystals and TCXOs. This specific model represents a standard XO variant optimized for consumer and industrial electronics requiring stable clock signals.

Oscillators Replacement Considerations

Direct substitutes must match the 24.9981 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and electrical characteristics. Cross-reference with Mercury's official replacement lists or equivalent industry-standard oscillators meeting identical specifications.