18QHTF21-12.9876-OE

Overview

The 18QHTF21-12.9876-OE is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.9876 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 with dimensions of 2.0x1.6 mm.

Feature Summary

• Integrates enable/disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Features a surface-mount 4-SMD no lead package design

Applications

• Embedded systems requiring precise timing references
• Digital communication interfaces
• Microcontroller clock sources

Procurement Notes

Verify the specific ordering suffix OE against the manufacturer's current documentation to ensure correct configuration. Confirm that the 1.8V supply voltage aligns with the target system requirements. Ensure the 4-SMD footprint matches the PCB layout specifications before procurement.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS signaling. The small 2.0x1.6 mm package makes it suitable for space-constrained designs. Consider the enable pin requirement if dynamic power saving is necessary for the application.

Part Context

This part belongs to the Mercury Electronics SMD oscillator series designed for general-purpose timing applications. The manufacturer specializes in quartz-based frequency control products, including crystals and oscillators, serving various electronic industries with reliable timing solutions.

Replacement Considerations

Consult official cross-reference lists for compatible alternatives. Verify that any substitute maintains the 12.9876 MHz frequency, 1.8V voltage rating, and LVCMOS output type to ensure functional equivalence.