18QHTF21-26.8425-PD

Oscillators Overview

The 18QHTF21-26.8425-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 26.8425 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down function to manage energy consumption. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0 x 1.6 mm, suitable for space-constrained surface-mount applications.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output interface

Oscillators Applications

• General electronic circuits requiring precise timing
• Embedded systems with limited power budgets
• Compact consumer electronics devices

Oscillators Procurement Notes

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

Oscillators Selection Notes

Select this component when a stable 26.8425 MHz clock signal is required within a minimal physical envelope. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the power-down feature if energy efficiency is critical for battery-operated or portable equipment designs.

Oscillators Part Context

This model belongs to the QHTF series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and voltage options, all sharing a standardized small-footprint package. This specific variant provides a mid-range frequency optimized for data communication and general-purpose timing tasks.

Oscillators Replacement Considerations

Direct substitutes must match the 26.8425 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics before swapping. Generic replacements may differ in phase noise or startup time.