18QHTF21-105.600-PD

Overview

The 18QHTF21-105.600-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 105.6 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features a power-down function for standby mode. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. The component is designed for surface mount applications.

Feature Summary

• Supports low voltage operation at 1.8V
• Includes power-down capability for energy efficiency
• Compact surface-mount form factor

Applications

• General electronic equipment requiring precise timing
• Communication systems utilizing standard clock signals
• Embedded devices with space constraints

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 4-SMD package footprint aligns with your PCB layout guidelines to ensure proper assembly and thermal performance during manufacturing.

Selection Notes

Select this model when a 105.6 MHz clock signal is required with low power consumption. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the 2.0x1.6 mm size for high-density board designs. Verify temperature range suitability for -40°C to 85°C operation in your target environment.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal products. The manufacturer has decades of experience in frequency control solutions. This specific model represents a standard XO variant within their portfolio, offering reliable performance for industrial and commercial applications.

Replacement Considerations

Direct substitutes include other 105.6 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Ensure pinout compatibility and voltage levels match. Cross-reference datasheets for equivalent frequency stability and current consumption metrics.