18QHTF21-4.43362-PD

Oscillators Overview

The 18QHTF21-4.43362-PD is a crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.43362 MHz with an LVCMOS output signal. The device functions at a supply voltage of 1.8V and features a power-down capability for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down functionality for energy management
• Utilizes LVCMOS output interface

Oscillators Applications

• General electronic circuits requiring precise timing
• Embedded systems utilizing standard clock signals
• Portable devices necessitating low-power consumption

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD package footprint matches your PCB layout constraints. Request the official datasheet from the manufacturer to validate electrical characteristics for your specific application environment.

Oscillators Selection Notes

Select this component when a stable 4.43362 MHz clock source is required for digital logic interfacing. Consider the 1.8V operating voltage if your system architecture relies on low-voltage standards. The integrated power-down feature makes it suitable for battery-operated applications where standby current reduction is critical. Verify compatibility with LVCMOS input thresholds of downstream components.

Oscillators Part Context

This model belongs to the 18QHTF21 series of surface-mount oscillators produced by Mercury Electronics. The series typically offers various frequency options within a standardized small form factor. These components are designed for high reliability in consumer electronics and industrial equipment, providing consistent performance across temperature ranges typical for commercial applications.

Oscillators Replacement Considerations

Direct substitutes must match the 4.43362 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package size. Verify pinout compatibility and electrical specifications before swapping manufacturers. Cross-reference with other 4-SMD no-lead oscillators offering identical timing parameters.