18QHTF21-1.8433-OE

Overview

The 18QHTF21-1.8433-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 1.8433 MHz with a stability of ±50ppm. The device supports an operating temperature range from -40°C to 85°C and draws a maximum supply current of 21mA. It utilizes surface mount technology in a compact package.

Feature Summary

• Surface mount design for automated assembly
• Wide industrial temperature operation capability
• Standard frequency stability specification

Applications

• Industrial control systems
• Consumer electronics timing circuits
• General purpose digital logic synchronization

Procurement Notes

Verify the specific frequency tolerance and temperature range requirements against the datasheet before procurement. Confirm that the surface mount footprint matches the PCB layout. Ensure the supply voltage and current consumption align with the system power budget. Check for any specific ordering suffixes that may affect availability or packaging.

Selection Notes

Select this component when a low-cost, standard frequency reference is required for non-critical timing applications. Consider the ±50ppm stability limit for clock accuracy needs. Evaluate the 21mA current draw against power-sensitive designs. Verify compatibility with the target operating environment temperatures.

Part Context

This part belongs to the 18QHTF21 series of surface mount oscillators from Mercury Electronic. The series offers various frequencies and voltage options. Mercury Electronic is a established manufacturer of quartz crystals and oscillators based in Taiwan, providing timing solutions for global markets.

Replacement Considerations

Direct substitutes include other 1.8433 MHz XO components with similar package dimensions and electrical characteristics. Verify pinout compatibility and voltage levels when cross-referencing with alternative manufacturers' offerings.