18QHTF21-25.353774-PD

Oscillators Overview

The 18QHTF21-25.353774-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 25.353774 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, requiring a supply voltage of 1.8V. It supports a standby or power-down mode to reduce energy consumption when not in active use. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output logic interface
• Standby (Power Down) capability
• Compact 4-SMD No Lead package

Oscillators Applications

• Clock signal generation for digital circuits
• Timing reference for microcontrollers
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific part number against official Mercury Electronic Ind. Co., Ltd documentation to ensure accuracy. Confirm that the required supply voltage and output logic levels match your system design requirements before procurement. Check for any specific handling instructions related to the SMD package type.

Oscillators Selection Notes

Select this component when a precise 25.353774 MHz clock source is required with low power consumption. Ensure the application environment supports the specified operating temperature range. Verify compatibility with the 1.8V supply rail and LVCMOS input thresholds of the receiving logic devices.

Oscillators Part Context

This oscillator belongs to Mercury Electronic's line of frequency control products, which includes quartz crystals, TCXOs, and VCXOs. Mercury Electronic has been manufacturing these components since 1973, establishing itself as a pioneer in the Taiwan quartz crystal industry. The company specializes in providing reliable timing solutions for various electronic applications.

Oscillators Replacement Considerations

Direct substitutes must match the 25.353774 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Cross-reference with other Mercury models in the QHTF series if available, ensuring identical electrical and mechanical specifications.