18QHTF21-4.90625-PD

Oscillators Overview

The 18QHTF21-4.90625-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 4.90625 MHz and utilizes an LVCMOS output interface. The device requires a 1.8V supply voltage and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.

Oscillators Feature Summary

• Supports low-voltage operation with 1.8V supply requirement
• Includes standby capability for power management
• Utilizes LVCMOS output signal format

Oscillators Applications

• Battery-powered electronic devices
• Portable consumer electronics
• General-purpose digital circuit timing

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and output types. Confirm that the 4-SMD no-lead package matches the target PCB footprint. Check datasheet specifications for operating temperature range and load capacitance requirements before integration into final designs.

Oscillators Selection Notes

Select this component when a precise 4.90625 MHz clock source is needed for low-power systems. The 1.8V supply makes it suitable for modern low-voltage logic families. Ensure the application can accommodate the standby feature if power conservation is critical during idle periods.

Oscillators Part Context

This model belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronic. The series typically offers various frequency options within a standardized small outline package. The manufacturer has extensive experience in quartz crystal production, providing reliable frequency control solutions.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with compatible frequencies such as 18QHTF21-25.00625-PD or 18QHTF21-18.1059-PD, provided the frequency difference is acceptable for the system design.