18QHTF21-6.1784-OE

Overview

The 18QHTF21-6.1784-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 6.1784 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The component features an Enable/Disable control function and is housed in a compact 4-SMD, No Lead package. It supports a standby power-down mode and maintains frequency stability within ±50ppm across an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates enable/disable functionality for precise power management and standby control
• Delivers stable LVCMOS clock signals suitable for digital circuit synchronization
• Utilizes a leadless surface-mount package design for automated assembly compatibility

Applications

• Portable electronic devices requiring low-power clock sources
• Embedded systems utilizing LVCMOS-compatible processors
• Consumer electronics with strict size constraints
• Industrial control modules operating in varying temperatures

Procurement Notes

Verify the specific suffix against official Mercury Electronics documentation to confirm the exact electrical characteristics and pinout configuration. Ensure that the ordering information matches the required frequency tolerance and supply voltage specifications for your target application. Cross-reference the package dimensions with your PCB footprint library to guarantee mechanical fitment before finalizing procurement orders.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside precise frequency stability. The enable/disable feature makes it suitable for battery-powered applications where power conservation during idle states is critical. Consider the small form factor for dense board layouts and ensure the host circuitry supports LVCMOS signal levels for proper interface compatibility.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in quartz timing components. The series includes various frequencies and packages, catering to diverse consumer and industrial needs. Mercury provides both standard and specialized oscillators, including TCXOs and VCTCXOs, for global markets.

Replacement Considerations

Consult official distributor databases for direct substitutes such as the 18QHTF21-6.300-OE or 18QHTF21-6.1679-OE if frequency adjustments are permissible. Verify pin compatibility and voltage requirements before replacing with other models in the same series.