18QHTF21-103.800-OE

Overview

The 18QHTF21-103.800-OE is a crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 103.8 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm. This surface-mount oscillator is engineered for integration into electronic circuits requiring precise timing signals.

Feature Summary

• Supports Enable/Disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Compact 4-SMD No Lead surface-mount package design

Applications

• Digital signal processing systems
• Communication equipment timing references
• Embedded controller clock sources

Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 2.0x1.6 mm footprint matches the PCB layout constraints. Check for any specific handling precautions related to the SMD package type during assembly.

Selection Notes

Select this component when a low-profile, 1.8V LVCMOS oscillator is required for space-constrained designs. The 103.8 MHz frequency suits specific data transmission or processing needs. Consider the enable/disable feature if power efficiency is critical. Verify compatibility with the host device's input threshold levels and ensure the manufacturing source meets quality standards.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard clock oscillators. The manufacturer specializes in quartz crystals and timing components. The 18QHTF21 series typically offers various frequencies within a small form factor. This specific model targets applications needing reliable timing at 103.8 MHz with low voltage operation.

Replacement Considerations

Direct substitutes include other 103.8 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers. Ensure equivalent electrical specifications such as supply voltage and output logic are matched. Verify pinout compatibility if alternative packages are considered.