18QHTF21-49.530-PD

Oscillators Overview

The 18QHTF21-49.530-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 49.53 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Standard crystal oscillator design

Oscillators Applications

• Digital signal processing circuits
• Communication equipment timing
• Microcontroller clock sources

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 no-lead package dimensions fit within your PCB footprint constraints. Check for RoHS compliance status if required by your manufacturing standards.

Oscillators Selection Notes

Select this component when a stable 49.53 MHz reference is needed with low power consumption capabilities. The LVCMOS output is compatible with standard digital logic families. Consider the operating temperature range specified in the datasheet to ensure reliability under your environmental conditions. The integrated power-down feature aids in battery-operated designs.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface-mount crystal oscillators. The series offers various frequencies and voltage options. Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in quartz crystals and timing components since 1973. This specific model represents a standard XO variant within their portfolio.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Cross-reference with other 49.53 MHz LVCMOS oscillators only if electrical parameters match exactly.