18QHTF21-12.1895-OE

Overview

The 18QHTF21-12.1895-OE is a crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 12.1895 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for surface-mount applications 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 package design

Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific suffix (OE vs PD) against official Mercury Electronics documentation to confirm exact electrical characteristics and availability status. Ensure the required operating temperature range and load conditions match the application requirements before procurement.

Selection Notes

Select this model when a 12.1895 MHz clock source with LVCMOS outputs is required. Consider the 1.8V supply voltage constraint and the small 2.0x1.6mm footprint for space-constrained designs. Verify that the enable pin functionality aligns with system power sequencing needs.

Part Context

Mercury Electronics Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products including quartz crystals, oscillators, and filters. The 18QHTF21 series represents their line of surface-mount crystal oscillators designed for various electronic applications requiring stable timing.

Replacement Considerations

Cross-reference part numbers such as 18QHTF21-12.1895-PD from distributor listings. Confirm if the suffix change impacts electrical parameters or packaging before substitution.