18QHTF21-13.7125-OE

Overview

The 18QHTF21-13.7125-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.7125 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes hardware enable and disable control functionality
• Utilizes a leadless surface-mount package design

Applications

• Digital signal processing systems requiring precise clock timing
• Embedded controller circuits operating at 1.8V logic levels
• Communication modules utilizing standard crystal oscillator inputs

Procurement Notes

Verify the specific suffix against official Mercury Electronics documentation to confirm exact electrical tolerances and temperature ranges. Ensure the ordering part number matches the required frequency and package type. Cross-reference datasheet specifications for pinout configuration before integration into PCB designs.

Selection Notes

Select this component when a 1.8V supply voltage and LVCMOS output are required. The 2.0x1.6mm form factor suits space-constrained layouts. Confirm that the 13.7125 MHz frequency aligns with system clock requirements. Evaluate thermal performance within the specified operating range for the target application environment.

Part Context

This model belongs to the Mercury Electronics XO series, characterized by low power consumption and stable frequency generation. The product line targets modern electronic devices requiring reliable timing sources in small form factors. Mercury Electronics leverages its expertise in crystal manufacturing to provide consistent performance across various industrial and consumer applications.

Replacement Considerations

Direct substitutes must match the 13.7125 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pin compatibility and thermal characteristics. Alternative models from other manufacturers require careful evaluation of jitter specifications and load capacitance to ensure functional equivalence.