18QHTF21-27.045-PD

Oscillators Overview

The 18QHTF21-27.045-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 27.045 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby (power down) function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. The component is designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode capability to reduce power consumption
• Utilizes a small form factor 4-SMD no lead package

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no lead package footprint matches your PCB layout constraints. Check for any specific handling instructions regarding electrostatic discharge sensitivity during assembly.

Oscillators Selection Notes

Select this component when a low-profile surface-mount oscillator is required for 27.045 MHz applications. Consider the 1.8V operating voltage and LVCMOS output characteristics to ensure compatibility with downstream logic levels. Evaluate the need for standby functionality if power efficiency is a priority. Compare physical dimensions against available board space to confirm fitment within the designated area.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics Ind. Co., Ltd, which offers various frequency options in a standardized 2.0x1.6mm package. The series is characterized by its compact size and support for low voltage operation. Mercury Electronics has a history of manufacturing quartz crystals and frequency control products since 1973, positioning itself as a pioneer in the Taiwan quartz industry.

Oscillators Replacement Considerations

Direct substitutes may include other 27.045 MHz oscillators in a 4-SMD 2.0x1.6mm package with LVCMOS outputs and 1.8V operation. Verify pinout compatibility and electrical parameters such as frequency stability and phase noise before substitution. Consult manufacturer cross-reference lists for equivalent parts from other suppliers.