18QHTF21-49.3933-PD

Overview

The Mercury Electronics 18QHTF21-49.3933-PD is a standard frequency crystal oscillator (XO) operating at 49.3933 MHz. It utilizes LVCMOS output logic and supports a 1.8V supply voltage with standby functionality. The component features a compact 4-SMD, no-lead package design suitable for surface-mount applications.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby power-down capability
• Provides LVCMOS signal output

Applications

• Digital communication systems requiring precise timing
• Data acquisition equipment
• Embedded control modules

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the system design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the 4-SMD no-lead package dimensions fit within the allocated PCB footprint constraints. Check for any RoHS compliance documentation if required by project regulations.

Selection Notes

Select this component when a stable 49.3933 MHz clock source is needed in space-constrained designs. The LVCMOS interface ensures compatibility with standard digital logic families. The standby feature allows for power management strategies in battery-operated devices. Consider the thermal performance of the SMD package during high-duty cycle operations.

Part Context

This part belongs to the HFTF series of standard oscillators from Mercury Electronics. The manufacturer specializes in quartz crystals and timing solutions. This specific model represents a surface-mount variant designed for modern electronics manufacturing processes requiring small form factors.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.