18QHTF21-26.002653-PD

Oscillators Overview

The 18QHTF21-26.002653-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 26.002653 MHz with LVCMOS output logic. The device supports a supply voltage range including 1.8V and features a Standby (Power Down) control function for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications.

Oscillators Feature Summary

• LVCMOS output interface for digital circuit compatibility
• Integrated standby control for power reduction
• Surface-mount 4-pin no-lead package design

Oscillators Applications

• Timing and frequency control in electronic devices
• Clock signal generation for digital systems
• Consumer electronics requiring precise timing references

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against the target application's design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the 4-SMD footprint matches the PCB layout constraints. Cross-reference the part number suffix to confirm the exact frequency tolerance and stability grades required for the intended use case.

Oscillators Selection Notes

Select this component when a low-voltage LVCMOS clock source is required for space-constrained designs. The integrated standby feature makes it suitable for battery-powered or energy-efficient applications. Consider the 4-SMD package size for high-density board layouts. Verify that the 26.002653 MHz frequency meets the system's timing requirements without additional dividers or multipliers.

Oscillators Part Context

This model belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options within a consistent 4-SMD form factor. Mercury Electronics has a long history in quartz crystal manufacturing, providing reliable frequency control solutions for global markets.

Oscillators Replacement Considerations

Direct substitutes include other 26.002653 MHz LVCMOS oscillators in 4-SMD packages with compatible voltage levels. Check pinout compatibility and electrical characteristics such as phase noise and jitter if replacing with different manufacturers.