18QHTF21-3.6846-PD

Oscillators Overview

The 18QHTF21-3.6846-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a fixed frequency of 3.6846 MHz with LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Oscillators Feature Summary

• Supports low-power standby operation via power-down control
• Provides stable LVCMOS signal output for digital interfaces
• Utilizes a leadless SMD package for automated assembly

Oscillators Applications

• Battery-powered portable electronic devices
• General-purpose digital timing circuits
• Consumer electronics requiring low-voltage clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply rail is stable within the operational limits specified in the official datasheet to ensure reliable oscillator performance and longevity.

Oscillators Selection Notes

Select this component when a precise 3.6846 MHz clock source is required for low-voltage systems. Ensure the application supports LVCMOS logic levels and can accommodate the 4-SMD form factor. Consider the standby feature if power management during idle states is a critical design constraint.

Oscillators Part Context

This part belongs to the 18QHTF21 series of quartz crystal oscillators from Mercury Electronic. The series typically offers various frequency options within a standardized footprint, allowing designers to maintain consistent board layouts while adjusting timing parameters for different system requirements.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with compatible frequencies such as 18QHTF21-66.000-PD or 18QHTF21-18.1059-PD, provided the frequency difference is acceptable for the target application.