18QHTF21-1.02597-OE

Overview

The 18QHTF21-1.02597-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.02597 MHz and utilizes LVCMOS output logic levels. The component is designed for a supply voltage of 1.8V and features an Enable/Disable control function via the OE pin. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Feature Summary

• Supports LVCMOS output interface
• Includes enable/disable control functionality
• Compact surface-mount package design

Applications

• General timing applications requiring low-frequency reference
• Embedded systems utilizing 1.8V logic levels
• Portable electronic devices constrained by size

Procurement Notes

Verify the specific suffix against official documentation to confirm the presence of the enable/disable feature and output type. Ensure the operating voltage matches the system requirement of 1.8V. Confirm package dimensions align with PCB footprint constraints before finalizing procurement.

Selection Notes

Select this component when a precise 1.02597 MHz reference is required within a minimal footprint. The 1.8V supply voltage makes it suitable for modern low-power digital circuits. The enable/disable capability allows for power management strategies in battery-operated designs.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, a supplier specializing in quartz crystals and oscillators. The series typically offers various frequencies in a small SMD package, catering to industries needing reliable timing solutions in space-constrained environments.

Replacement Considerations

Direct substitutes must match the 1.02597 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility and electrical specifications with alternative manufacturers before implementation.