18QHTF21-26.495-PD

Oscillators Overview

The 18QHTF21-26.495-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 26.495 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. The component is designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output logic interface
• Features a compact 4-SMD no-lead package

Oscillators Applications

• General electronic timing circuits
• Embedded systems requiring clock signals
• Portable devices with power constraints

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no-lead package footprint matches your PCB layout to avoid assembly issues. Check for any specific handling instructions related to the surface-mount technology used in this component.

Oscillators Selection Notes

Select this oscillator when a 26.495 MHz clock signal is required with low power consumption capabilities. The LVCMOS output is suitable for digital interfaces compatible with standard logic levels. Consider the 1.8V operating voltage if your system uses lower voltage domains. The small form factor makes it ideal for space-constrained designs where board real estate is limited.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies within a standardized package size. Mercury Electronics is a manufacturer specializing in frequency control products, including quartz crystals and oscillators, with a history dating back to 1973. This specific model represents a standard XO variant within their portfolio.

Oscillators Replacement Considerations

Direct replacements must match the 26.495 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pin compatibility and electrical characteristics such as current consumption and startup time. Cross-reference with other manufacturers offering similar SMD oscillators if availability is an issue.