18QHTF21-4.29497-OE

Oscillators Overview

The 18QHTF21-4.29497-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 4.29497 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and supports enable/disable control functionality. It is housed in a compact 4-SMD, No Lead package designed for surface mount applications. The component is rated for an operating temperature range of -40°C to 85°C, ensuring reliability in various electronic environments.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Enable/Disable control pin for power management
• Compact 4-SMD No Lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required for clock signals near 4.3 MHz. The LVCMOS output is suitable for standard digital logic families. Consider the enable/disable feature if power conservation is a priority. Verify thermal performance within the -40°C to 85°C range for your specific application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The 'OE' suffix typically denotes specific packaging or tape-and-reel configurations as defined by the manufacturer. This model provides a precise timing solution for compact electronic designs requiring stable clock sources.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series models with compatible frequencies and LVCMOS outputs. Cross-reference pinout and electrical characteristics carefully. Ensure any replacement maintains the 1.8V supply requirement and 4-SMD No Lead form factor. Consult Mercury Electronics documentation for approved equivalent part numbers.