18QHTF21-33.554-PD

Oscillators Overview

The 18QHTF21-33.554-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 33.554 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function to manage energy consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is suitable for applications requiring precise timing signals in space-constrained electronic systems.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby and power-down functionality for energy management
• Utilizes a compact 4-SMD no-lead surface mount package

Oscillators Applications

• Digital signal processing circuits
• Communication equipment timing references
• Portable electronic devices requiring low power consumption

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before integration. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliability.

Oscillators Selection Notes

Select this component when a 33.554 MHz clock source is required with LVCMOS outputs. Consider the 1.8V operating voltage and standby feature for power-sensitive designs. Evaluate the small 4-SMD package size for high-density board layouts. Compare performance metrics such as phase noise and stability if available in the technical documentation against alternative oscillators.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a standardized small outline package. The series typically supports LVCMOS outputs and includes power-down capabilities. Mercury Electronics is a established manufacturer of frequency control products, providing quartz-based timing solutions for industrial and consumer electronics markets.

Oscillators Replacement Considerations

Direct substitutes must match the 33.554 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics with the original datasheet. Cross-reference with other manufacturers offering similar surface-mount oscillators with identical form factors and electrical specifications.