18QHTF21-24.4959-PD

Oscillators Overview

The 18QHTF21-24.4959-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 24.4959 MHz and utilizes LVCMOS output logic. 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, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Features a dedicated standby mode to reduce power consumption during idle periods
• Constructed as a quartz-based oscillator ensuring stable frequency generation

Oscillators Applications

• General purpose clock signal distribution
• Embedded system timing references
• Digital circuit synchronization

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 24.4959 MHz operation. Confirm the 1.8V supply voltage requirement aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint is compatible with the PCB layout. Check for any specific ordering suffixes that may affect availability or shipping terms from the manufacturer.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS outputs. The inclusion of a power-down feature makes it suitable for battery-operated or power-sensitive designs. Consider the small form factor of the 4-SMD package for space-constrained layouts. Validate thermal performance within the specified operating temperature range for the intended environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized package. Mercury Electronics is a recognized manufacturer of frequency control products, providing quartz-based solutions for industrial and commercial electronics markets.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with matching electrical specifications. Verify pinout compatibility and package dimensions before substitution. Cross-reference with similar LVCMOS oscillators offering 1.8V operation and standby capabilities if exact matches are unavailable.