18QHTF21-19.531-OE

Oscillators Overview

The 18QHTF21-19.531-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co. Ltd. It operates at a frequency of 19.531 MHz and utilizes LVCMOS output logic levels. The device supports an enable/disable control function via a 1.8V supply voltage. It is housed in a compact 4-SMD, No Lead surface mount package with dimensions measuring 2.00mm x 1.60mm and a maximum seated height of 0.80mm.

Oscillators Feature Summary

• Supports active enable and disable control functionality for power management
• Utilizes low-voltage CMOS (LVCMOS) output signaling
• Designed for surface mount assembly in small form factor applications

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication modules utilizing standard clock signals
• Embedded systems needing precise timing references

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V operating voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Request the official datasheet from the manufacturer to validate electrical characteristics and reliability standards for your specific application environment.

Oscillators Selection Notes

Select this component when a small footprint and low voltage operation are critical. The enable pin allows for dynamic power control, making it suitable for battery-operated devices. Compare performance metrics such as phase noise and stability against other oscillators in the 18QHT series. Ensure compatibility with the target digital interface logic levels to avoid signal integrity issues.

Oscillators Part Context

This part belongs to the 18QHT series of surface mount crystal oscillators from Mercury Electronic. The series offers various frequencies and package sizes, with the 18QHTF21 variant specifically providing a 2.00mm x 1.60mm footprint. These components are designed for high-reliability applications in consumer electronics and industrial equipment.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with different frequencies, such as 18QHTF21-19.531-OE equivalents from compatible manufacturers. Verify pinout and electrical specifications match exactly. Cross-reference with similar 4-SMD no-lead oscillators if Mercury stock is unavailable.