18QHTF21-13.565-PD

Overview

The 18QHTF21-13.565-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a fixed frequency of 13.565 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features a standby mode for power down capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby functionality for power management
• Utilizes LVCMOS output interface

Applications

• General electronic timing circuits
• Embedded systems requiring clock signals
• Consumer electronics devices

Procurement Notes

Verify the specific part number suffix to ensure compatibility with required voltage levels and output types. Confirm that the 4-SMD no-lead package aligns with your PCB footprint design. Check manufacturer documentation for reflow soldering profiles to prevent thermal damage during assembly processes.

Selection Notes

Choose this component when a 13.565 MHz reference is necessary for LVCMOS-compatible digital interfaces. Ensure the 1.8V supply rail matches your system architecture. Consider the small form factor if space constraints are critical within the target application environment.

Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series typically offers various frequencies within a standardized SMD package, providing consistent performance characteristics across different timing requirements for industrial and commercial use cases.

Replacement Considerations

Direct substitutes must match the 13.565 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions. Verify electrical specifications against original datasheets before integration.