18QHTF21-6.369-PD

Overview

The 18QHTF21-6.369-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 6.369 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Feature Summary

• Compact 4-SMD no lead package design
• LVCMOS output logic interface
• Supports standby power down mode

Applications

• Battery-powered portable devices
• General purpose timing circuits
• Embedded system clock sources

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and output types. Confirm that the 4-SMD package dimensions align with the target PCB footprint. Check datasheet specifications for operating temperature range and load capacitance requirements before finalizing procurement.

Selection Notes

Select this component when a low-profile surface mount oscillator is required for 1.8V logic systems. Consider the standby feature for applications requiring power management. Ensure the 6.369 MHz frequency meets the system clock requirements and verify availability of the PD suffix variant.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in quartz crystals and oscillators. The series offers various frequencies and packaging options for timing applications. The manufacturer has established presence in the frequency control industry since 1973.

Replacement Considerations

Consult official substitution lists for compatible alternatives. Verify electrical parameters such as frequency stability and supply current match exactly. Ensure pinout compatibility if direct replacement is intended.