18QHTF21-17.1776-PD

Oscillators Overview

The 18QHTF21-17.1776-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 17.1776 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a 1.8V supply voltage with an integrated standby or power-down function to minimize energy consumption during idle periods. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output interface for digital compatibility
• Integrated standby mode for power management
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Portable electronic devices requiring precise timing
• Communication equipment utilizing standard clock signals
• Consumer electronics with low-voltage power constraints

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct configuration. Confirm that the required frequency tolerance and load capacitance specifications align with the target circuit design requirements before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a 17.1776 MHz clock signal is required within a 1.8V system architecture. Ensure the application supports LVCMOS logic levels and can accommodate the specified 4-SMD footprint. Evaluate power-down functionality needs against system sleep cycle requirements.

Oscillators Part Context

This model belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized small outline package format. The manufacturer specializes in quartz crystal components, providing timing solutions for industrial and consumer markets.

Oscillators Replacement Considerations

Direct substitutes must match the 17.1776 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package dimensions. Verify pinout compatibility and electrical characteristics with alternative manufacturers before implementation.