18QHTF21-40.530-OE

Oscillators Overview

The 18QHTF21-40.530-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 40.53 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an Enable/Disable control function to manage power consumption during standby periods. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly in space-constrained electronic designs.

Oscillators Feature Summary

• LVCMOS output interface for digital compatibility
• 1.8V single-supply operation
• Enable/Disable pin functionality for power management
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General-purpose digital clock generation
• Embedded system timing references
• Communication module synchronization
• Consumer electronics signal processing

Oscillators Procurement Notes

Verify the specific suffix OE against the manufacturer's current datasheet to confirm the enable/disable feature and voltage tolerance. Ensure the 4-SMD no-lead footprint matches the PCB layout requirements. Cross-reference the 40.53 MHz frequency with system clock specifications to avoid harmonic interference. Confirm availability through authorized distributors to ensure genuine components from Mercury Electronics.

Oscillators Selection Notes

Select this oscillator when a precise 40.53 MHz reference is required in low-power environments. The 1.8V supply makes it suitable for modern portable devices. The enable/disable feature allows for dynamic power saving compared to always-on oscillators. Consider the thermal characteristics of the SMD package if operating in high-temperature enclosures.

Oscillators Part Context

This part belongs to the 18QHTF21 series of quartz crystal oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. The OE suffix typically denotes specific operational modes or packaging variations within the product line. Mercury Electronics has produced frequency control products since 1973, establishing itself as a pioneer in the Taiwan crystal industry.

Oscillators Replacement Considerations

Direct substitutes include other 1.8V LVCMOS oscillators in 4-SMD packages with identical 40.53 MHz frequency. Verify pinout compatibility and enable/disable logic polarity before substitution. Alternative models from the same manufacturer may offer different temperature ranges or stability specs.