18QHTF21-3.1785-PD

Oscillators Overview

The 18QHTF21-3.1785-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 3.1785 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.

Oscillators Feature Summary

• Supports low-voltage operation with integrated standby functionality
• Delivers standard LVCMOS output signals
• Utilizes a leadless surface-mount package design

Oscillators Applications

• General-purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a precise 3.1785 MHz reference is required for low-power digital systems. The LVCMOS interface ensures compatibility with standard logic families operating at 1.8V. Consider the leadless package for space-constrained designs where minimal profile and reliable surface mounting are prioritized over through-hole alternatives.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of crystal oscillators. The series offers various frequencies and voltage options within a standardized small outline package. Mercury Electronics leverages its history in quartz crystal manufacturing to provide stable frequency control solutions for consumer and industrial electronics.

Oscillators Replacement Considerations

Direct substitutes include other 1.8V LVCMOS oscillators from Mercury Electronics with identical 4-SMD no-lead footprints and matching 3.1785 MHz frequency. Verify pinout compatibility and electrical characteristics before swapping.