18QHTF21-3.510-OE

Oscillators Overview

The 18QHTF21-3.510-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 3.51 MHz and utilizes an LVCMOS output interface. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Provides stable clock signals via LVCMOS output interface
• Features integrated enable and disable control functionality
• Designed for low-voltage operation at 1.8V

Oscillators Applications

• General-purpose digital circuit timing
• Embedded system clock generation
• Consumer electronics timing references

Oscillators Procurement Notes

Verify the specific ordering suffix against official Mercury Electronics documentation to ensure compatibility with required voltage levels and output types. Confirm that the 4-SMD package dimensions meet your PCB layout constraints. Cross-reference the part number with authorized distributors to validate authenticity and avoid counterfeit components.

Oscillators Selection Notes

Select this component when a 3.51 MHz clock source is required for LVCMOS-compatible logic families. Ensure the design accommodates the 1.8V supply requirement and utilizes the enable pin for power optimization. Verify that the thermal characteristics of the 4-SMD package align with the application's environmental conditions.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a manufacturer specializing in quartz crystals and oscillators since 1973. The series typically offers standard XO configurations with various frequency options and package styles, serving as a core timing solution for electronic assemblies.

Oscillators Replacement Considerations

Direct substitutes may include other 3.51 MHz LVCMOS oscillators in 4-SMD packages from manufacturers such as Epson or SiTime, provided electrical parameters match. Verify pinout compatibility and voltage specifications before substitution.