18QHTF21-3.5172-OE

Oscillators Overview

The 18QHTF21-3.5172-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 3.5172 MHz and utilizes LVCMOS output logic levels. The device supports an enable/disable control function via a 1.8V supply voltage. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports active low enable/disable control functionality
• Provides LVCMOS compatible output signal levels
• Utilizes a leadless 4-SMD surface-mount package

Oscillators Applications

• Embedded system clock generation
• Industrial control circuitry timing
• Consumer electronics signal synchronization

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V operating voltage aligns with your power supply rails. Ensure the 4-SMD no-lead footprint matches your PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Choose this component when a low-voltage LVCMOS interface is required for digital logic compatibility. The enable/disable feature allows for power management strategies in battery-operated devices. Select this model if the 3.5172 MHz frequency is critical for your application's timing accuracy and phase noise specifications.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic, a supplier specializing in quartz crystals and oscillators. The series typically offers various frequencies within a standardized small form factor. Mercury Electronic has been manufacturing frequency control products since 1973, establishing itself as a pioneer in the Taiwan crystal industry.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants such as 18QHTF21-6.300-OE or 18QHTF21-30.000-OE, provided the frequency difference is acceptable. Cross-reference with similar LVCMOS 4-SMD oscillators from other manufacturers if Mercury stock is unavailable, ensuring pinout and voltage compatibility.