18QHTF21-18.5625-PD

Oscillators Overview

The 18QHTF21-18.5625-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 18.5625 MHz and utilizes an LVCMOS output interface. The device is designed for surface mount applications, featuring a compact 4-SMD, No Lead package configuration. It functions with a supply voltage of 1.8V and includes a standby or power-down capability to manage energy consumption during inactive periods.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS logic levels
• Integrates standby mode for effective power management
• Utilizes a leadless surface-mount package for space-constrained designs

Oscillators Applications

• Digital signal processing systems requiring precise clock timing
• Communication equipment utilizing standard frequency references
• Embedded control units needing low-power oscillation sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply rail is stable within the operational limits. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to guarantee proper soldering and electrical connectivity.

Oscillators Selection Notes

Select this component when a standard frequency reference near 18.56 MHz is required with minimal power consumption. The LVCMOS output ensures compatibility with standard digital logic families. Consider the operating temperature range and stability specifications if the application involves harsh environmental conditions or high-precision timing requirements.

Oscillators Part Context

This part belongs to the QHTF series of quartz crystal oscillators from Mercury Electronics. The series is characterized by small form factors and low power consumption, suitable for portable electronics and industrial controls. Mercury Electronics has extensive experience in frequency control products, establishing this component as a reliable choice for standard clock generation tasks.

Oscillators Replacement Considerations

Direct substitutes must match the 18.5625 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and thermal characteristics. Cross-reference with other manufacturers offering similar surface-mount XO solutions ensuring identical electrical parameters and mechanical dimensions.