18QHTF21-3.1872-PD

Oscillators Overview

The 18QHTF21-3.1872-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 3.1872 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and features a power-down (standby) function to reduce consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for timing applications requiring precise frequency control within portable electronic systems.

Oscillators Feature Summary

• Integrates LVCMOS output interface for direct digital logic compatibility
• Includes standby mode capability to minimize power usage during idle states
• Utilizes surface-mount packaging for automated assembly integration

Oscillators Applications

• Battery-powered portable devices
• Consumer electronics timing circuits
• Embedded system clock generation

Oscillators Procurement Notes

Verify the specific suffix 'PD' confirms the power-down feature availability. Ensure the 1.8V supply requirement matches the target circuit design. Confirm the 4-SMD no-lead footprint aligns with the PCB layout specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this model when a low-voltage 1.8V operation is required alongside a small form factor. The LVCMOS output suits digital interfaces directly. Consider the power-down feature if energy efficiency is critical for the application environment.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. specializes in quartz crystals and oscillators. The 18QHTF21 series represents their standard XO line. These components provide reliable timing solutions for various industrial and consumer markets.

Oscillators Replacement Considerations

Check datasheets for compatible parts with matching 3.1872 MHz frequency, 1.8V voltage, and LVCMOS output. Verify pinout and package dimensions for direct replacement suitability.