18QHTF21-12.11876-OE

Overview

The 18QHTF21-12.11876-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.11876 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

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

Applications

• General-purpose clock signal generation in electronic circuits
• Timing reference sources for microprocessors and controllers
• Data communication interfaces requiring stable frequency standards

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout guidelines to guarantee proper soldering and mechanical stability during assembly.

Selection Notes

Select this component when a low-voltage, surface-mount oscillator with enable control is required. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Consider the operating temperature range and package dimensions to ensure compatibility with the target application environment and board space constraints.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The manufacturer has decades of experience in producing crystals, oscillators, and filters. This series typically offers standard XO configurations with various frequency options and supply voltages.

Replacement Considerations

Compatible substitutes within the same series include 18QHTF21-96.768-OE, 18QHTF21-50.256-OE, and 18QHTF21-35.468-OE, provided the different frequencies meet the system requirements. Verify pinout and electrical specifications before substitution.