18QHTF21-25.66875-OE

Oscillators Overview

The 18QHTF21-25.66875-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 25.66875 MHz. It utilizes LVCMOS output logic and supports a supply voltage of 1.8V. The device features an enable/disable control function and is housed in a compact 4-SMD, No Lead package. Designed for industrial environments, it operates within a temperature range of -40°C to +85°C with a frequency stability of ±50ppm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for direct digital interface compatibility
• Includes hardware enable/disable pin for power management control
• Utilizes a leadless surface-mount package for automated assembly

Oscillators Applications

• General-purpose clock signal generation in embedded systems
• Timing reference for microcontrollers and processors
• Data communication interface synchronization

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct voltage and frequency specifications. Confirm that the required enable/disable functionality aligns with the system design requirements before procurement. Cross-reference the package dimensions with the mechanical drawing to ensure PCB footprint compatibility.

Oscillators Selection Notes

Select this component when a precise 25.66875 MHz timing source is required for low-voltage digital circuits. The 1.8V supply specification makes it suitable for modern portable or energy-efficient designs. Ensure the ±50ppm stability meets the jitter tolerance of the connected load. The leadless package requires appropriate reflow soldering profiles.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies and voltages, including 2.5V variants like the 25QHTF21. These components are quartz-based frequency control products designed for reliable performance in consumer electronics and industrial applications requiring stable clock signals.

Oscillators Replacement Considerations

Direct substitutes may include other 25.66875 MHz LVCMOS oscillators in a 4-SMD no-lead package with 1.8V operation. Verify electrical parameters such as current consumption and rise/fall times. Check for equivalent frequency stability and temperature range specifications to ensure functional interchangeability.