18QHTF21-1.2288-PD

Overview

The 18QHTF21-1.2288-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 1.2288 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features a standby (power-down) function to reduce power consumption. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications.

Feature Summary

• Supports standby mode for power reduction
• LVCMOS output logic compatibility
• Compact 4-SMD no-lead package design

Applications

• Power-sensitive electronic designs
• Standard clock signal generation
• Embedded system timing references

Procurement Notes

Verify the specific ordering suffix against official Mercury Electronic documentation to ensure correct frequency and package configuration. Confirm that the PD suffix aligns with the required standby functionality and output type. Cross-reference the part number with authorized distributors to validate authenticity and availability status before finalizing procurement orders.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a standby feature for energy efficiency. Ensure the application demands LVCMOS logic levels and fits within the thermal and spatial constraints of the 4-SMD package. Validate frequency stability requirements against the manufacturer's datasheet specifications for the 1.2288 MHz variant.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic, a Taiwan-based supplier specializing in quartz crystals and oscillators since 1973. The series offers various frequencies and packages, catering to diverse timing needs in consumer and industrial electronics while maintaining standard form factors for easy integration.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided source material.