18QHTF21-4.7625-PD

Oscillators Overview

The 18QHTF21-4.7625-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 4.7625 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down mode with standby functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This component serves as a precise clock source for digital circuits requiring low-voltage operation.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated power-down capability for energy efficiency
• Compact 4-SMD no-lead surface mount package design

Oscillators Applications

• General purpose clock generation in consumer electronics
• Timing reference for microcontrollers and processors
• Communication interface synchronization modules

Oscillators Procurement Notes

Verify the specific suffix PD against the manufacturer's official documentation to confirm pinout and electrical characteristics. Ensure the 1.8V supply requirement aligns with the target system design. Confirm the 4.7625 MHz frequency tolerance meets application specifications before integration.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V clock source is required for space-constrained designs. The LVCMOS output ensures compatibility with standard digital logic families. Consider the power-down feature if system-level power management is a priority. Verify thermal performance within the specified operating temperature range.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The series offers various frequencies and voltage options. The 18QHTF21 variant specifically targets low-power applications with its 1.8V operation and small form factor, suitable for portable devices.

Oscillators Replacement Considerations

Direct substitutes include other 4.7625 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers. Ensure voltage levels and pin configurations match. Cross-reference with similar Mercury parts like 25QHTF21 series if voltage differences are acceptable.