18QHTF21-120.9375-OE

Overview

The 18QHTF21-120.9375-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 120.9375 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control functionality
• Utilizes quartz technology for frequency stability

Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system synchronization

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct voltage and package specifications. Confirm that the active status aligns with current production requirements. Cross-reference datasheet parameters for temperature range and load conditions before integration into final designs.

Selection Notes

Select this component when a low-voltage 1.8V operation is required for space-constrained applications. The small 2.0x1.6mm footprint makes it suitable for high-density PCB layouts. Ensure the LVCMOS output level matches the receiving logic family voltage thresholds.

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, providing various SMD oscillators and crystals for industrial and commercial electronics markets.

Replacement Considerations

Check for direct substitutes within the same series such as 18QHTF21 variants with different frequencies. Verify pinout compatibility and electrical characteristics before substituting with other manufacturers' components.