18QHTF21-49.3811-PD

Oscillators Overview

The 18QHTF21-49.3811-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 49.3811 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead surface-mount package with dimensions of 2.00mm x 1.60mm and a maximum height of 2.00mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features a low-profile 4-SMD no-lead surface mount package
• Supports standby mode to reduce power consumption during idle periods

Oscillators Applications

• Embedded systems requiring precise clock timing
• Consumer electronics devices
• Industrial control modules

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required system clock speed. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD package footprint corresponds to the PCB layout specifications before ordering.

Oscillators Selection Notes

Select this component when a standard XO with LVCMOS outputs is required for space-constrained applications. Consider the 1.8V operating voltage and standby capability if power efficiency is a priority. Verify the exact frequency tolerance and load capacitance requirements against the host microcontroller datasheet.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry, providing various standard oscillators for diverse electronic applications.

Oscillators Replacement Considerations

Check for other variants within the 18QHTF21 series that may offer different frequencies or voltage levels. Ensure any substitute maintains the same 4-SMD package dimensions and LVCMOS output characteristics.