18QHTF21-101.921915-OE

Overview

The 18QHTF21-101.921915-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 101.921915 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable functionality for power management
• Utilizes a leadless SMD package for space-constrained designs

Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded controller clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable assembly.

Selection Notes

Select this component when a stable 101.921915 MHz clock source is required with low voltage operation. Consider the LVCMOS output level if interfacing directly with 1.8V logic families. Evaluate the thermal performance and operating temperature range relative to your application environment. Compare package dimensions against available board space to ensure mechanical fit.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series includes various frequencies and packages, catering to diverse timing needs. Mercury Electronics has a long history in Taiwan's crystal industry, providing components like crystals, filters, and oscillators for global markets.

Replacement Considerations

Direct substitutes may include other 101.921915 MHz LVCMOS oscillators in similar 4-SMD packages from different manufacturers. Verify electrical parameters such as supply voltage, current consumption, and output swing. Ensure mechanical dimensions and pinout configurations are compatible to avoid PCB redesign.