18QHTF21-44.236-OE

Oscillators Overview

The 18QHTF21-44.236-OE is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 44.2 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and features an Enable/Disable control interface. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for standard digital interfacing
• Enable/Disable functionality for power management
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the exact part number suffix against official Mercury Electronics documentation to ensure correct frequency and logic level specifications. Confirm that the 1.8V supply requirement aligns with your target circuit design before procurement. Cross-reference the 4-SMD package dimensions with your PCB layout constraints to ensure mechanical compatibility.

Oscillators Selection Notes

Select this component when a 44.2 MHz LVCMOS clock source is required with low voltage operation. Ensure the application supports the Enable/Disable control feature for active power management. Verify that the operating temperature range meets the environmental requirements of the final assembly.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series typically offers various frequency options within a standardized small footprint. Mercury Electronics has been a pioneer in the crystal industry since 1973, providing reliable timing solutions.

Oscillators Replacement Considerations

Direct substitutes must match the 44.2 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Check manufacturer datasheets for equivalent parts from other vendors offering identical electrical and mechanical specifications.