18QHTF21-31.796759-OE

Oscillators Overview

The 18QHTF21-31.796759-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 31.796759 MHz with a frequency stability of ±50ppm. The device utilizes LVCMOS output logic and requires a 3.3V supply voltage. It features an Enable/Disable control function for power management. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm, suitable for surface-mount applications.

Oscillators Feature Summary

• Standard XO configuration with LVCMOS output interface
• Integrated Enable/Disable control functionality
• Compact 4-SMD No Lead surface-mount package

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific ordering suffix '-OE' against the manufacturer's current datasheet to confirm exact pinout and electrical characteristics. Ensure the 3.3V supply requirement aligns with the target system design. Confirm the 4-SMD No Lead package dimensions fit the PCB footprint constraints before finalizing procurement.

Oscillators Selection Notes

Select this component when a precise 31.796759 MHz clock source is required with low power consumption enabled via the control pin. The ±50ppm stability is suitable for general digital applications. Consider the 3.3V operating voltage and small form factor as key selection criteria for space-constrained designs.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of surface-mount crystal oscillators. The series offers various frequencies and supply voltages, including 1.8V and 2.5V options. The '18' prefix typically indicates the 1.8V variant, but this specific model specifies 3.3V operation, highlighting the importance of verifying voltage parameters within the same product family.

Oscillators Replacement Considerations

Direct substitutes must match the 31.796759 MHz frequency, 3.3V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify compatibility with other manufacturers offering similar MEMS or quartz oscillators in the same footprint.