18QHTF21-4.646-OE

Oscillators Overview

The 18QHTF21-4.646-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 4.646 MHz and utilizes LVCMOS output signaling. The device requires a 1.8V supply voltage and features enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications. The component supports an operating temperature range of -40°C to 85°C with a frequency stability of ±50ppm.

Oscillators Feature Summary

• Supports enable and disable control functions for efficient power management
• Delivers LVCMOS output signals compatible with standard logic interfaces
• Designed for surface-mount assembly using a leadless SMD package

Oscillators Applications

• General purpose timing circuits requiring low voltage operation
• Embedded systems utilizing LVCMOS logic families
• Portable electronic devices necessitating compact oscillator footprints

Oscillators Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical characteristics and pinout configuration. Ensure that the selected variant matches the required supply voltage and output type for your circuit design. Cross-reference the part number with authorized distributors to confirm availability and authenticity before procurement.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V supply is available and LVCMOS compatibility is required. Consider the ±50ppm stability specification against system clock tolerance requirements. Evaluate the physical dimensions of the 4-SMD package against PCB space constraints. Confirm that the operating temperature range meets environmental conditions.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co. Ltd, a supplier specializing in quartz crystals and timing solutions. The series typically includes various frequencies within a standardized small outline package format. Mercury Electronics has established manufacturing capabilities in Taiwan focusing on frequency control products including TCXOs and VCTCXOs.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants such as 18QHTF21-9.465-OE or 18QHTF21-30.000-OE if frequency adjustment is permissible. Verify pin compatibility and electrical specifications before substituting with components from different manufacturers.