18QHTF21-28.06176-PD

Oscillators Overview

The 18QHTF21-28.06176-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 28.06176 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications with a supply voltage of 1.8V. It features a Standby mode for power-down functionality, enhancing energy efficiency in portable systems. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm, suitable for space-constrained designs.

Oscillators Feature Summary

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

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication modules utilizing standard clock signals
• Embedded systems with limited board space

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the LVCMOS output levels are compatible with the receiving logic inputs to prevent signal integrity issues or damage during integration.

Oscillators Selection Notes

Select this component when a precise 28.06176 MHz clock source is required in a minimal footprint. The 1.8V operation makes it suitable for modern low-power digital circuits. Consider the standby feature if power conservation is critical. Ensure the PCB layout supports the 4-SMD no-lead package geometry for reliable soldering and thermal performance.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, characterized by small form factors and low voltage operation. The series typically includes various frequencies optimized for consumer electronics and industrial applications. The 'PD' suffix likely indicates a specific packaging or tape-and-reel configuration, though exact details require datasheet confirmation.

Oscillators Replacement Considerations

Direct replacements must match the 28.06176 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter if specified in the original design. Consult manufacturer cross-reference lists for verified equivalents.