18QHTF21-4.194-OE

Oscillators Overview

The 18QHTF21-4.194-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.194 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features enable and disable control pins for active power management
• Utilizes a leadless SMD package design for automated assembly

Oscillators Applications

• General purpose clock signal generation
• Embedded system timing references
• Consumer electronics circuit boards

Oscillators 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 to prevent soldering defects during assembly.

Oscillators Selection Notes

Choose this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. The enable/disable feature makes it suitable for battery-powered devices requiring power conservation. Consider the physical dimensions of the 4-SMD package to ensure adequate clearance on the target board.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products including quartz crystals and oscillators. This model belongs to their series of standard XO components designed for general timing applications in electronic systems.

Oscillators Replacement Considerations

Cross-reference other models within the 18QHTF21 series from Mercury Electronics for alternative frequencies. Verify pinout compatibility if substituting with oscillators from different manufacturers.