18QHTF21-19.467-PD

Oscillators Overview

The 18QHTF21-19.467-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 19.467 MHz and utilizes LVCMOS output logic levels. The device is designed for a supply voltage of 1.8V and includes a standby or power-down control function to manage power consumption. It is housed in a compact 4-SMD, No Lead surface-mount package with dimensions of 2.00mm x 1.60mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode for power management
• Provides LVCMOS signal output compatibility

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a small form factor and low voltage operation are critical constraints. The integrated power-down feature makes it suitable for battery-operated applications where energy efficiency is prioritized. Ensure the application environment does not exceed the specified operating temperature range for reliable long-term performance.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry, providing various oscillator solutions. This specific model represents a standard XO variant within their portfolio, focusing on compact size and efficient power usage for modern electronics.

Oscillators Replacement Considerations

Direct substitutes must match the 19.467 MHz frequency, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter if available in official datasheets.