18QHTF21-18.874368-OE

Oscillators Overview

The 18QHTF21-18.874368-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 18.874368 MHz and utilizes LVCMOS output logic levels. The device supports an enable/disable control function and is powered by a 1.8V supply voltage. It is housed in a compact 4-SMD, No Lead surface mount package with dimensions of 0.079 inches in length and 0.063 inches in width, equivalent to 2.00mm x 1.60mm.

Oscillators Feature Summary

• Supports Enable/Disable control functionality for power management
• Utilizes LVCMOS output signal compatibility
• Features lead-free surface mount construction

Oscillators Applications

• Embedded system clock generation
• Digital signal processing interfaces
• Microcontroller timing sources

Oscillators Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct frequency and electrical specifications. Confirm that the required operating temperature range and load capacitance match the target design requirements before procurement. Ensure compatibility with the intended 1.8V supply voltage and LVCMOS interface standards.

Oscillators Selection Notes

Select this component when a precise 18.874368 MHz reference is required for low-voltage digital circuits. The choice is driven by the need for a small form factor compatible with dense PCB layouts. Consider the enable pin requirement if dynamic power saving is necessary for the application.

Oscillators Part Context

This model belongs to the 18QHTF21 series of surface mount oscillators from Mercury Electronics. The series typically offers various standard frequencies within a compact footprint. These components are designed for general-purpose timing applications requiring stable frequency generation in portable or space-constrained electronic devices.

Oscillators Replacement Considerations

Direct substitutes must match the 18.874368 MHz frequency, 1.8V operation, LVCMOS output, and 4-SMD package dimensions. Verify thermal characteristics and enable functionality alignment.