18QHTF21-81.982492-OE

Overview

The 18QHTF21-81.982492-OE is a crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 81.982492 MHz with an LVCMOS output type. The device supports a supply voltage of 1.8V and includes enable/disable functionality. It is housed in a compact 5.0x3.2 mm surface-mount package designed for space-constrained applications.

Feature Summary

• Supports active enable and disable control for power management
• Utilizes LVCMOS output interface for digital logic compatibility
• Designed for surface mount assembly in compact form factors

Applications

• Digital signal processing systems
• Communication equipment timing references
• Embedded computing modules

Procurement Notes

Verify the specific suffix OE against official Mercury Electronics documentation to confirm pinout and electrical characteristics. Ensure the selected variant matches the required operating temperature range and load capacitance specifications for the target circuit design before finalizing procurement.

Selection Notes

Select this component when a precise 81.982492 MHz reference is required in a 1.8V environment. Consider the 5.0x3.2 mm footprint constraints and LVCMOS drive requirements. Validate that the enable feature aligns with system power sequencing needs.

Part Context

This model belongs to the 18QHTF series of surface-mount oscillators from Mercury Electronics. The series typically offers standard frequencies with integrated enable controls, catering to modern portable and industrial electronics requiring reliable timing sources in small packages.

Replacement Considerations

Cross-reference part numbers such as 18QHTF21-81.818-OE or 18QHTF57-81.982492-OE for alternative frequencies or package sizes within the same manufacturer's lineup. Verify electrical compatibility before substitution.