18QHTF21-18.800-PD

Oscillators Overview

The 18QHTF21-18.800-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 18.8 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output interface
• Standby power-down capability
• Compact SMD form factor

Oscillators Applications

• General clock signal generation
• Digital system timing references
• Embedded electronics control

Oscillators Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct voltage and output specifications. Confirm RoHS compliance status and lead-free manufacturing details directly with the manufacturer or authorized distributors before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside an LVCMOS interface. Ensure the application necessitates a standard XO topology rather than a TCXO or VCXO. Verify that the 4-SMD package dimensions fit within the designated PCB footprint constraints.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystals and oscillators. The series offers various frequency options within a standardized small outline package, targeting cost-sensitive consumer and industrial electronic applications requiring reliable clock sources.

Oscillators Replacement Considerations

Direct substitutes must match the 18.8 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Consult official cross-reference lists for verified equivalents.