18QHTF21-39.852973-PD

Oscillators Overview

The 18QHTF21-39.852973-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 39.852973 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output logic
• Designed in a small surface-mount package

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication systems utilizing standard clock signals
• Embedded control circuits needing precise timing references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout specifications to avoid assembly issues during manufacturing.

Oscillators Selection Notes

Select this component when a precise 39.852973 MHz clock signal is required in space-constrained applications. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the power-down feature if battery life optimization is critical for the end product. Verify operating temperature ranges meet environmental conditions.

Oscillators Part Context

This oscillator belongs to the 18QHTF series from Mercury Electronics, which specializes in quartz frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry. This series typically offers various frequencies within a standardized small form factor, catering to modern electronics' demand for miniaturization and efficiency.

Oscillators Replacement Considerations

Direct substitutes may include other models from the same 18QHTF series with compatible pinouts and voltages. Cross-reference with Mercury Electronics documentation for equivalent part numbers offering similar electrical characteristics and package dimensions to ensure seamless integration.