18QHTF21-43.295-PD

Oscillators Overview

The 18QHTF21-43.295-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 43.295 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby or power-down functionality to reduce power consumption
• Utilizes quartz-based technology for stable frequency generation

Oscillators Applications

• General purpose timing circuits
• Digital systems requiring clock synchronization
• Embedded devices with low power requirements

Oscillators Procurement Notes

Verify the specific ordering suffix PD against official Mercury Electronics documentation to confirm the exact pinout and packaging configuration. Ensure the 1.8V supply voltage aligns with system design constraints before procurement. Cross-reference the 4-SMD no-lead footprint dimensions with PCB layout guidelines to ensure mechanical fit and soldering reliability during assembly processes.

Oscillators Selection Notes

Select this component when a 43.295 MHz clock signal is required with LVCMOS compatibility. Consider the 1.8V operating voltage and standby feature for power-sensitive designs. Evaluate the 4-SMD no-lead package size against available board space. Confirm that the standard XO performance meets the application's jitter and stability requirements without needing additional filtering.

Oscillators Part Context

This part belongs to the Mercury Electronics SMD Oscillator series, specifically designed for surface-mount technology. The manufacturer has extensive experience in quartz crystal production. This model represents a standard frequency option within their portfolio, offering a balance of performance and form factor for modern electronic assemblies.

Oscillators Replacement Considerations

Consult official Mercury Electronics substitution lists for compatible alternatives. Verify that any replacement maintains the 43.295 MHz frequency, LVCMOS output, and 1.8V supply specifications. Ensure the physical package remains identical to avoid PCB redesign.