18QHTF21-72.8177-OE

Overview

The 18QHTF21-72.8177-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 72.8177 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and supports enable/disable functionality for power management. Frequency stability is rated at ±50ppm, ensuring precise timing performance across the operating temperature range of -40°C to 85°C. Maximum current consumption is specified as 26mA. The component utilizes a surface-mount package design suitable for automated assembly processes in compact electronic systems.

Feature Summary

• LVCMOS output interface with enable/disable control
• High frequency stability within specified temperature range
• Low voltage operation for energy efficiency

Applications

• Digital signal processing circuits
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the exact suffix (OE vs PD) against the manufacturer's official documentation to confirm specific testing or packaging variations. Ensure compatibility with 1.8V logic levels in the target circuit design. Confirm that the LVCMOS output swing meets the input requirements of downstream components. Check for any specific handling instructions regarding electrostatic discharge sensitivity during installation.

Selection Notes

Select this component when a stable 72.8177 MHz reference is required in space-constrained designs. The low voltage requirement makes it suitable for battery-powered or low-power applications. Consider the ±50ppm stability specification against the system's jitter tolerance requirements. Evaluate the thermal performance within the -40°C to 85°C range to ensure reliability under varying environmental conditions.

Part Context

Mercury Electronic Ind. Co., Ltd specializes in frequency control products including quartz crystals and oscillators. This model belongs to their standard XO series, designed for general-purpose timing applications. The company has extensive experience in Taiwan's crystal industry, providing reliable timing solutions for various electronic sectors.

Replacement Considerations

Direct substitutes may include other 72.8177 MHz LVCMOS oscillators from different manufacturers with compatible pinouts and electrical specifications. Verify that alternative parts meet the same ±50ppm stability and 1.8V supply requirements. Ensure the replacement maintains the same physical dimensions for board compatibility.