18QHTF21-4.825-PD

Oscillators Overview

The 18QHTF21-4.825-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 4.825 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby (Power Down) enable/disable function to manage power consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is suitable for applications requiring precise timing signals within portable electronic systems.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode functionality for power management
• Utilizes a small surface-mount package design

Oscillators Applications

• Portable consumer electronics
• Battery-powered devices
• General purpose timing circuits

Oscillators Procurement Notes

Verify the specific suffix 'PD' corresponds to the required Standby (Power Down) feature when ordering. Ensure the 1.8V supply voltage aligns with the target system design. Confirm the 4-SMD No Lead package footprint matches the PCB layout requirements before finalizing procurement.

Oscillators Selection Notes

Select this model when a low-voltage 1.8V operation is required alongside a compact form factor. The inclusion of a power-down feature makes it appropriate for energy-sensitive designs. Consider the 4.825 MHz frequency requirement against available alternatives if different timing speeds are needed.

Oscillators Part Context

This part belongs to the QHTF series of crystal oscillators from Mercury Electronic. The series typically offers various frequencies and supply voltages. The '18' prefix indicates the 1.8V supply variant, while 'PD' denotes the power-down capability, distinguishing it from non-stanby versions.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with matching 4.825 MHz frequency and LVCMOS output. Verify that replacement parts also support the 1.8V supply and 4-SMD No Lead package dimensions.