18QHTF21-27.000-PD

Oscillators Overview

The 18QHTF21-27.000-PD is a 27.0 MHz crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a supply voltage of 1.8V and utilizes LVCMOS output logic. The component features a compact 2.0x1.6 mm surface-mount package with no lead construction. It supports a standby or power-down mode for energy management. The device is designed for standard frequency applications requiring precise clock signals in portable and space-constrained electronic systems.

Oscillators Feature Summary

• Compact 2.0x1.6 mm surface-mount package design
• Low voltage 1.8V operation capability
• LVCMOS output logic interface
• Integrated standby and power-down functionality

Oscillators Applications

• Portable consumer electronics
• Communication modules
• Embedded system clocking
• Mobile device timing circuits

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the oscillator's operational specifications. Confirm that the PCB footprint matches the 2.0x1.6 mm package dimensions to avoid assembly issues. Check for RoHS compliance status if required by your manufacturing standards.

Oscillators Selection Notes

Select this component when a low-profile, low-voltage oscillator is required for 27.0 MHz applications. Consider the LVCMOS output compatibility with your target logic family. Evaluate the power-down feature if battery life optimization is critical. Compare package size constraints against alternative oscillators to ensure mechanical fit within the enclosure.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, characterized by small form factors and low power consumption. The '18' prefix typically indicates the 1.8V supply voltage variant. The '-PD' suffix denotes the power-down capability. It competes with other industry-standard surface-mount oscillators offering similar voltage and package profiles.

Oscillators Replacement Considerations

Direct substitutes must match the 27.0 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6 mm package. Verify pinout compatibility and electrical characteristics such as jitter and phase noise. Cross-reference with other manufacturers offering equivalent low-profile oscillators if availability is an issue.