18QHTF57-121.3056-PD

Oscillators Overview

The 18QHTF57-121.3056-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 121.3056 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals in electronic circuits.

Oscillators Feature Summary

• Provides stable clock signal generation at 121.3056 MHz
• Integrates low-voltage CMOS output interface
• Supports power-down mode for reduced consumption

Oscillators Applications

• Digital signal processing systems
• Communication equipment timing references
• Embedded microcontroller clock sources

Oscillators Procurement Notes

Verify the exact suffix designation against official Mercury Electronics documentation to confirm pinout compatibility and electrical specifications. Ensure the selected variant matches the required operating temperature range and load capacitance for the target circuit design before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a fixed-frequency 121.3056 MHz source is required with minimal footprint constraints. Consider the 1.8V supply requirement and LVCMOS drive strength relative to the receiving input stage. Evaluate the need for standby functionality if power efficiency is a critical design parameter for the application.

Oscillators Part Context

This part belongs to the 18QHTF57 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequencies and supply voltages within a standardized small outline package format. This specific model provides a high-frequency option suitable for data-intensive digital interfaces.

Oscillators Replacement Considerations

Direct substitutes must match the 121.3056 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package dimensions. Verify pin configuration compatibility to ensure interchangeability without PCB redesign.