18QHTF21-20.0037-OE

Oscillators Overview

The 18QHTF21-20.0037-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.0037 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at 1.8V. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6mm, suitable for surface-mount assembly in space-constrained electronic designs.

Oscillators Feature Summary

• LVCMOS output interface for digital compatibility
• Integrated enable/disable functionality for power optimization
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Portable consumer electronics requiring low power consumption
• Communication modules needing precise clock synchronization
• Embedded systems utilizing 1.8V logic families

Oscillators Procurement Notes

Verify the specific suffix 'OE' indicates the enable function when sourcing replacements. Confirm that the 2.0x1.6mm footprint matches the PCB design constraints. Ensure the 1.8V supply voltage aligns with the target system's power rails before integration.

Oscillators Selection Notes

Select this model when a 20.0037 MHz reference is required alongside active power control capabilities. The LVCMOS output ensures direct interfacing with standard digital inputs without additional level shifting components.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic, which specializes in miniature quartz crystal oscillators. The series typically covers frequencies between 20.00 MHz and 54.00 MHz, offering various voltage options and package sizes for diverse industrial and commercial applications.

Oscillators Replacement Considerations

Direct substitutes include other 20.0037 MHz XO units with identical 4-SMD no-lead footprints and 1.8V LVCMOS outputs. Verify enable pin polarity and electrical characteristics match the original specification.