18QHTF21-118.275-PD

Overview

The 18QHTF21-118.275-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 118.275 MHz with an LVCMOS output logic type. The device requires a supply voltage of 1.8V and features a power-down standby mode for energy efficiency. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports low-voltage CMOS (LVCMOS) output interface
• Includes power-down standby functionality
• Utilizes surface-mount SMD package design

Applications

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

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to confirm exact electrical specifications and packaging details. Ensure compatibility with the target operating temperature range and supply voltage requirements before integration into the final design.

Selection Notes

Select this component when a precise 118.275 MHz clock source is required within a constrained board space. The 1.8V supply requirement dictates compatibility with low-voltage digital logic families. The surface-mount form factor supports automated assembly processes.

Part Context

This model belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various standard frequencies while maintaining consistent physical dimensions and electrical characteristics across different part numbers.

Replacement Considerations

Direct substitutes must match the 118.275 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm footprint. Verify pinout compatibility and thermal performance before cross-referencing with other manufacturers' offerings.