18QHTF21-17.73445-PD

Oscillators Overview

The 18QHTF21-17.73445-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 17.7344 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down capability. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby or power-down functionality
• Utilizes LVCMOS output logic

Oscillators Applications

• General digital timing circuits
• Embedded systems requiring precise clock signals
• Portable electronic devices due to low voltage requirements

Oscillators Procurement Notes

Verify the exact frequency specification against official manufacturer datasheets, as part numbers may vary slightly based on specific tolerance or temperature range requirements. Confirm package compatibility and lead-free status if required by assembly processes. Ensure the selected variant matches the intended operating temperature range for the application environment.

Oscillators Selection Notes

Select this component when a stable 17.7344 MHz clock source is needed for 1.8V logic interfaces. Consider the small form factor for space-constrained designs. Evaluate the need for power-down capabilities to manage energy consumption in battery-operated applications. Verify that the LVCMOS output levels are compatible with the receiving circuitry.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which focuses on surface-mount crystal oscillators. The series typically offers standard frequencies and low-profile packages suitable for modern PCB layouts. Mercury Electronics is a specialized supplier of frequency control products, including crystals and oscillators, with a long history in the industry.

Oscillators Replacement Considerations

Direct replacements must match the 17.7344 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package dimensions. Check for equivalent standby features and operating temperature ranges. Consult manufacturer cross-reference lists for verified substitutes.