18QHTF21-26.973027-PD

Oscillators Overview

The 18QHTF21-26.973027-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 26.973027 MHz with an LVCMOS output logic level. The device supports a supply voltage of 1.8V and features a standby power-down mode for energy efficiency. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component is designed for surface-mount applications and typically functions within a standard operating temperature range suitable for general electronic circuits.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS output compatibility
• Includes a standby power-down function to reduce consumption when inactive
• Utilizes a small-footprint 4-SMD no-lead package for space-constrained designs

Oscillators Applications

• General-purpose clock signal generation in embedded systems
• Timing reference sources for digital logic circuits
• Power-efficient portable electronic devices requiring low voltage operation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Check for any specific environmental ratings if the application involves extreme temperatures. Always refer to the official datasheet for precise electrical characteristics and handling instructions.

Oscillators Selection Notes

Select this component when a precise 26.973027 MHz clock source is required with minimal power consumption. The LVCMOS interface ensures compatibility with standard digital logic families. The compact size makes it suitable for dense PCB layouts. Consider the standby feature if power management is critical. Verify that the operating temperature range meets your application's environmental conditions.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides stable frequency references for various electronic applications. The manufacturer specializes in quartz crystal products, leveraging decades of experience in frequency control technology. This specific model represents a standard configuration optimized for low-voltage digital systems.

Oscillators Replacement Considerations

Direct substitutes must match the 26.973027 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Cross-reference with other manufacturers offering similar low-profile oscillators. Ensure pinout compatibility and thermal performance are equivalent. Verify that alternative parts meet the same frequency stability and phase noise specifications.