18QHTF21-2.973-PD

Oscillators Overview

The 18QHTF21-2.973-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 2.973 MHz with an LVCMOS output logic level. The device is designed for a supply voltage of 1.8V and features a standby function for power down capabilities. It utilizes a 4-SMD, no lead package configuration suitable for surface mount applications.

Oscillators Feature Summary

• Supports low voltage operation at 1.8V
• Includes standby mode for power management
• Utilizes LVCMOS output interface

Oscillators Applications

• Battery-powered portable devices
• General purpose timing circuits
• Embedded system clock generation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 4-SMD no lead package dimensions align with your PCB footprint. Ensure the 1.8V supply rail stability meets the oscillator's operational specifications to maintain signal integrity.

Oscillators Selection Notes

Select this component when a precise 2.973 MHz clock source is required in a compact surface-mount form factor. Consider the 1.8V operating voltage and LVCMOS compatibility with downstream digital logic. Evaluate the need for standby functionality if power conservation is a critical design constraint for the target application.

Oscillators Part Context

This part belongs to the QHTF series from Mercury Electronic, which offers various hermetic ceramic leadless SMD packages. The series supports frequencies ranging from 1.0 MHz to 200 MHz across different supply voltages. Mercury Electronics has been a pioneer in the Taiwan crystal industry since 1973.

Oscillators Replacement Considerations

Compatible substitutes within the same series include 18QHTF21-1.18784-PD, 18QHTF21-4.068-PD, and 18QHTF21-8.0004-PD. These parts share identical packaging and electrical characteristics but differ in nominal frequency.