18QHTF21-27.110-PD

Oscillators Overview

The 18QHTF21-27.110-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 27.11 MHz with an LVCMOS output logic level. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm x 1.6mm. The component is designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

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

Oscillators Applications

• General clock generation for embedded systems
• Timing reference for microcontrollers
• Digital signal processing circuits

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against the target application design. Confirm that the 1.8V supply voltage aligns with the system power architecture. Ensure the 2.0x1.6mm footprint matches the PCB layout constraints. Cross-reference the part number suffix with official documentation to confirm the exact pinout and electrical characteristics before finalizing procurement.

Oscillators Selection Notes

Select this component when a low-profile, 1.8V LVCMOS oscillator is required for space-constrained designs. The 27.11 MHz frequency suits specific communication or control protocols. Consider the standby feature if power efficiency is critical. Verify that the manufacturer's tolerance and stability specifications meet the system's timing accuracy needs compared to alternative frequencies or packages.

Oscillators Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The series offers various standard frequencies in a small SMD form factor. Mercury Electronics has decades of experience in Taiwan's crystal industry, providing reliable timing solutions for consumer and industrial electronics markets.

Oscillators Replacement Considerations

Direct substitutes must match the 27.11 MHz frequency, 1.8V LVCMOS output, and 4-SMD 2.0x1.6mm package. Check equivalent parts from other manufacturers ensuring identical pin configuration and electrical parameters. Verify thermal and mechanical compatibility during replacement.