18QHTF21-75.285-PD

Overview

The 18QHTF21-75.285-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 75.285 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features a standby or power-down capability for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic interface
• Standby and power-down functionality
• Standard crystal oscillator design

Applications

• General electronic timing circuits
• Digital signal processing systems
• Communication equipment clocking

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package dimensions fit within your PCB layout constraints. Cross-reference the manufacturer datasheet for detailed electrical specifications to guarantee compatibility.

Selection Notes

Select this component when a stable 75.285 MHz reference is required with low-voltage operation. Consider the LVCMOS output compatibility with your downstream digital logic. Evaluate the need for power-down features if energy efficiency during idle states is critical. Compare package size against available board space to ensure proper integration into the assembly.

Part Context

This part belongs to the Mercury Electronics XO series, designed for general-purpose clock generation. The 18QHTF21 prefix indicates a specific form factor and performance class within their oscillator lineup. These components are typically used where cost-effective, reliable timing solutions are needed for consumer and industrial electronics.

Replacement Considerations

Direct substitutes must match the 75.285 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility and thermal characteristics. Consult manufacturer cross-reference lists for equivalent parts from other suppliers offering identical electrical and mechanical specifications.