18QHTF21-47.9952-OE

Oscillators Overview

The 18QHTF21-47.9952-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 47.9952 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. The component supports surface mount mounting types and offers a frequency stability of ±50ppm across the operating temperature range of -40°C to 85°C.

Oscillators Feature Summary

• Integrated enable and disable control for efficient power management
• Compact 4-SMD no-lead surface mount package design
• LVCMOS output logic compatible with standard digital interfaces

Oscillators Applications

• General clock signal generation in electronic circuits
• Embedded systems requiring precise timing references
• Consumer electronics utilizing low-voltage operation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD package footprint matches your PCB layout constraints. Cross-reference the manufacturer datasheet for absolute maximum ratings to prevent operational damage during integration.

Oscillators Selection Notes

Select this component when a 47.9952 MHz clock source is required with low voltage operation. Consider the ±50ppm stability specification for applications demanding moderate precision. The enable/disable feature makes it suitable for battery-powered devices where power conservation is critical. Evaluate the small form factor against available board space limitations.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal products. The series includes various frequencies such as 37.2 MHz and 21.2 MHz variants. Mercury Electronic Ind. Co., Ltd. has a history of manufacturing frequency control products since 1973, positioning itself as a pioneer in the Taiwan quartz crystal industry.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series parts like 18QHTF21-37.200-OE or 18QHTF21-21.200-OE if different frequencies are acceptable. Verify pin compatibility and electrical specifications before swapping. No alternative part numbers are confirmed as direct replacements for this specific frequency.