18QHTF21-40.0075-PD

Oscillators Overview

The 18QHTF21-40.0075-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 40.0075 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a 1.8V supply voltage. It features a compact 4-SMD, No Lead package configuration suitable for surface-mount assembly. The component includes a standby or power-down function to manage energy consumption during inactive periods.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby and power-down functionality for energy management
• Utilizes a compact 4-SMD no-lead package design

Oscillators Applications

• General-purpose clock signal generation in electronic circuits
• Timing reference sources for digital systems
• Low-voltage embedded system synchronization

Oscillators Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct voltage and output specifications. Confirm that the 4-SMD no-lead package matches your PCB footprint requirements. Check for any industry-specific certifications required for your application environment before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a precise 40.0075 MHz timing source is required with low voltage operation. Ensure the design supports LVCMOS logic levels and accommodates the specific thermal characteristics of the 4-SMD package. Consider the power-down feature if energy efficiency during idle states is a critical design parameter for the target application.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics 18QHTF series, which provides various frequency options within a standardized small form factor. The series is characterized by its use of LVCMOS outputs and support for low-voltage power supplies, catering to modern portable and space-constrained electronic designs requiring reliable frequency control.

Oscillators Replacement Considerations

Consult official cross-reference lists from Mercury Electronics for direct substitutes. Verify that alternative components match the 40.0075 MHz frequency, 1.8V supply requirement, and LVCMOS output type. Ensure physical package compatibility with the 4-SMD no-lead footprint before substitution.