18QHTF21-18.342-PD

Oscillators Overview

The 18QHTF21-18.342-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 18.342 MHz with an LVCMOS output signal. The device functions at a supply voltage of 1.8V and features a Standby (Power Down) mode for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports Low Voltage CMOS (LVCMOS) output signaling
• Includes Standby or Power Down functionality
• Utilizes a leadless surface-mount package design

Oscillators Applications

• General clock generation in electronic circuits
• Embedded systems requiring low-voltage timing sources
• Portable devices utilizing power-down modes

Oscillators Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure compatibility with system voltage and frequency requirements. Confirm that the leadless package type matches the PCB footprint design. Check for RoHS compliance status if required by project specifications.

Oscillators Selection Notes

Select this component when a precise 18.342 MHz reference is needed within a 1.8V logic environment. Consider the physical size constraints due to the small 2.0x1.6 mm footprint. Evaluate the need for power-down capabilities to manage system energy consumption effectively during idle states.

Oscillators Part Context

This model belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series typically offers standard crystal oscillators designed for various digital applications requiring stable clock signals in compact form factors suitable for modern surface-mount assembly processes.

Oscillators Replacement Considerations

Direct substitutes must match the 18.342 MHz frequency, 1.8V operation, LVCMOS output, and 4-SMD no-lead package dimensions. Verify pinout compatibility and electrical characteristics before swapping.