18QHTF21-31.500-OE

Oscillators Overview

The 18QHTF21-31.500-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 31.500 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 suitable for surface-mount applications. The component supports an operating temperature range of -40°C to +85°C with a frequency stability of ±50ppm.

Oscillators Feature Summary

• Supports active enable and disable control functionality
• Delivers LVCMOS output signal levels
• Designed for surface-mount assembly via 4-SMD no-lead package

Oscillators Applications

• General-purpose clock generation for digital circuits
• Timing reference for communication interfaces
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific ordering suffix against official Mercury Electronics documentation to confirm exact electrical tolerances and packaging configurations. Ensure the selected variant matches the required supply voltage and output logic specifications for the target application design.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V clock source is required for space-constrained designs. Consider the ±50ppm stability requirement and the industrial temperature range compatibility before finalizing the part number for production integration.

Oscillators Part Context

This model belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series provides various frequency options within a standardized small footprint, catering to timing needs in consumer electronics and industrial equipment requiring reliable quartz-based frequency control.

Oscillators Replacement Considerations

Direct substitutes must match the 31.500 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions. Verify pinout compatibility and thermal characteristics before swapping with other manufacturers' offerings.