18QHTF21-20.300-PD

Oscillators Overview

The 18QHTF21-20.300-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.3 MHz and utilizes an LVCMOS output signal format. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features a compact surface-mount package measuring 2.0x1.6 mm, identified as the QHTF21 series. The component includes a power-down (PD) control function to manage standby states, ensuring efficient energy usage in portable electronics.

Oscillators Feature Summary

• Supports LVCMOS output signal compatibility
• Integrates power-down control functionality
• Operates on a 1.8V supply voltage

Oscillators Applications

• Portable consumer electronics
• Mobile communication devices
• Embedded systems requiring low power consumption

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply rail is stable and within the specified operating range to maintain oscillator performance. Confirm that the PCB footprint matches the 2.0x1.6 mm SMD package dimensions to avoid assembly issues during manufacturing.

Oscillators Selection Notes

Select this component when a precise 20.3 MHz clock source is required for LVCMOS-compatible logic circuits. The choice is driven by the need for a small form factor and low voltage operation. Consider the power-down feature if system-level power management is critical. Ensure the application environment supports the standard temperature range specified for this series.

Oscillators Part Context

This part belongs to the Mercury Electronics QHTF21 series of surface-mount crystal oscillators. The series is characterized by its miniature 2.0x1.6 mm package size and low voltage operation. Mercury Electronics has established itself as a pioneer in quartz crystal manufacturing, offering a wide range of frequency control products for various electronic applications.

Oscillators Replacement Considerations

Direct substitutes include other 20.3 MHz LVCMOS oscillators in a 2.0x1.6 mm package from compatible manufacturers. Verify pinout compatibility and electrical specifications such as supply voltage and output swing before substitution.