18QHTF21-1.025-PD

Overview

The 18QHTF21-1.025-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind., Co., Ltd. It operates at a frequency of 1.025 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a power-down function for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down capability for energy management
• Utilizes LVCMOS output interface

Applications

• Portable electronic devices requiring low power consumption
• Embedded systems utilizing LVCMOS interfaces
• Timing circuits in compact consumer electronics

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required frequency and voltage specifications. Confirm that the 4-SMD no-lead package aligns with PCB footprint requirements. Check manufacturer documentation for reflow soldering profiles suitable for this small outline package type.

Selection Notes

Select this component when a precise 1.025 MHz timing reference is needed within space-constrained designs. The 1.8V supply requirement makes it suitable for modern low-power digital logic families. Ensure the application can accommodate the specific 2.0x1.6mm footprint and supports the necessary control signals for the power-down feature.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on miniature surface-mount oscillators. The series typically offers various frequencies and voltage options within a standardized small form factor, catering to applications where board real estate is limited but stable clock generation is critical.