18QHTF21-42.600-PD

Oscillators Overview

The 18QHTF21-42.600-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 42.6 MHz and utilizes LVCMOS output logic levels. The device functions with a supply voltage of 1.8V and includes a standby or power-down capability for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, designed for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode functionality
• Utilizes LVCMOS output interface

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded microcontroller timing

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency tolerance and load capacitance specifications. Confirm that the 4-SMD no-lead package matches the target PCB footprint design. Check manufacturer documentation for reflow soldering profile recommendations to maintain component integrity during assembly processes.

Oscillators Selection Notes

Select this component when a precise 42.6 MHz reference is required for digital circuits. Ensure the system design supports the 1.8V operating voltage range. Consider the small 2.0x1.6 mm form factor for space-constrained layouts. Verify that the LVCMOS output swing meets the input requirements of the connected load devices.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequency options within a standardized small outline package. These components are engineered for applications requiring stable clock signals in portable and industrial electronics where size and power efficiency are critical constraints.

Oscillators Replacement Considerations

Direct substitutes include other 42.6 MHz XO models in 4-SMD packages from compatible manufacturers. Ensure equivalent voltage and output logic specifications are maintained. Cross-reference pinout configurations to guarantee electrical compatibility without redesigning the host circuit board.