18QHTF21-44.8634-PD

Oscillators Overview

The 18QHTF21-44.8634-PD is a 44.8634 MHz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates on a 1.8V supply voltage and utilizes LVCMOS output logic. The device features a Standby (Power Down) function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. The component supports an operating temperature range of -40°C to 85°C.

Oscillators Feature Summary

• Supports Standby mode for power reduction
• Compact surface-mount package design
• LVCMOS output interface

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication systems utilizing standard clock signals
• Embedded control circuits

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific RoHS compliance documentation if required by your manufacturing standards.

Oscillators Selection Notes

Select this component when a precise 44.8634 MHz clock signal is needed in space-constrained applications. The 1.8V operation makes it suitable for modern low-voltage digital systems. Consider the standby feature if power efficiency during idle periods is a critical design parameter. Compare physical dimensions against available board space.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small-form-factor oscillators. The series typically includes various frequencies such as 6.0 MHz, 8.0 MHz, and 51.2 MHz variants. These components are designed for general-purpose timing applications where size and power are limiting factors.

Oscillators Replacement Considerations

Direct substitutes may include other 44.8634 MHz oscillators in a 2.0x1.6mm SMD package with LVCMOS outputs. Verify pin compatibility and electrical specifications carefully. Cross-reference with similar series from Mercury or other manufacturers offering equivalent voltage and form factor.