18QHTF21-40.490496-OE

Oscillators Overview

The 18QHTF21-40.490496-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 40.490496 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features integrated enable and disable control functionality
• Utilizes a surface-mount 4-SMD no-lead package design

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Oscillators Procurement Notes

Verify the specific suffix OE against manufacturer documentation to confirm pinout and electrical characteristics. Ensure the 1.8V supply requirement aligns with the target circuit design. Confirm the 4-SMD package dimensions fit the PCB footprint constraints. Cross-reference the frequency tolerance specifications if precise timing is critical for the application.

Oscillators Selection Notes

Select this component when a 40.490496 MHz reference is required in a low-profile surface-mount form factor. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the enable/disable feature if power management during idle states is necessary for the system architecture.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series offers various frequencies within a standardized 2.0x1.6mm SMD package. Mercury Electronics has extensive experience in crystal manufacturing, providing reliable timing solutions for industrial applications.

Oscillators Replacement Considerations

Direct substitutes include other 40.490496 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify that alternative parts match the enable/disable pin configuration and physical dimensions. Check temperature range specifications to ensure compatibility with the operational environment.