18QHTF21-43.392-PD

Oscillators Overview

The 18QHTF21-43.392-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 43.392 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down mode capability. It is housed in a compact 4-SMD, no lead package suitable for surface mount applications.

Oscillators Feature Summary

• Supports low voltage operation with 1.8V supply requirement
• Includes standby functionality for power management
• Provides standard LVCMOS signal output

Oscillators Applications

• Embedded system clock generation
• Digital signal processing interfaces
• Communication module timing sources

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's jitter specifications. Ensure the PCB layout accommodates the 4-SMD no lead footprint dimensions to prevent soldering defects during assembly.

Oscillators Selection Notes

Select this component when a precise 43.392 MHz reference is required for LVCMOS compatible digital circuits. Consider the 1.8V supply constraint and available standby control signals. Evaluate the thermal performance within the specified operating temperature range to ensure long-term frequency stability under varying environmental conditions.

Oscillators Part Context

This model belongs to the 18QHTF21 series of surface mount oscillators from Mercury Electronics. The series offers various frequency options within a standardized 4-SMD package format. These components are engineered for high reliability in consumer electronics and industrial equipment requiring stable clock signals.

Oscillators Replacement Considerations

Direct substitutes must match the 43.392 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD no lead package. Verify pin compatibility and electrical parameters before substitution.