18QHTF21-44.530-PD

Oscillators Overview

The 18QHTF21-44.530-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 44.53 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and features a standby mode for power down control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm by 1.6mm.

Oscillators Feature Summary

• Supports low voltage operation at 1.8V
• Includes standby functionality for power management
• Provides standard LVCMOS output signals

Oscillators Applications

• General purpose clock generation
• Embedded system timing references
• Consumer electronics circuit boards

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design specifications before procurement. Confirm that the 1.8V supply rail is stable and within the operational limits defined in the official datasheet to ensure reliable oscillator performance and signal integrity.

Oscillators Selection Notes

Select this component when a small form factor is required alongside low power consumption. The 1.8V supply and standby feature make it suitable for battery-operated devices. Ensure the host circuit supports LVCMOS logic levels and can accommodate the 2.0x1.6mm footprint constraints during layout design.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequency options in a standardized 4-pin SMD package. The suffix PD indicates the inclusion of a power-down control pin for energy efficiency.

Oscillators Replacement Considerations

Direct replacements include other 18QHTF21 variants with matching frequencies or compatible LVCMOS oscillators in identical 2.0x1.6mm packages. Verify electrical parameters such as supply voltage and output swing before substitution.