18QHTF21-4.51548-OE

Oscillators Overview

The 18QHTF21-4.51548-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 4.51548 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable function for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications. The component is designed to operate within a temperature range of -40°C to 85°C, ensuring reliability in various electronic environments.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Enable/Disable control functionality for power optimization
• Compact 4-SMD no-lead surface mount package design

Oscillators Applications

• General purpose timing circuits
• Embedded systems requiring low-power clock sources
• Consumer electronics with space constraints

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm the enable/disable pin configuration matches your control logic. Check the operating temperature range suitability for your intended environment. Always refer to the official datasheet for detailed electrical characteristics and mechanical dimensions.

Oscillators Selection Notes

Select this oscillator when a precise 4.51548 MHz clock signal is required with low power consumption. The LVCMOS output ensures compatibility with standard digital logic families. Consider the enable/disable feature if power management is critical. The small form factor makes it ideal for dense PCB layouts. Evaluate the operating temperature range to ensure performance stability under expected environmental conditions.

Oscillators Part Context

Mercury Electronics Ind. Co. Ltd is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals, oscillators, and filters. The company has decades of experience in the industry, producing components for various electronic applications. This specific model belongs to their line of standard crystal oscillators, offering reliable timing solutions for modern electronic devices.

Oscillators Replacement Considerations

Direct substitutes may include other 4.51548 MHz LVCMOS oscillators in a 4-SMD package from different manufacturers. Verify pinout compatibility and electrical specifications such as supply voltage and output drive strength. Ensure the replacement part meets the same temperature range and enable/disable functionality requirements.