18QHTF21-42.949672-OE

Oscillators Overview

The 18QHTF21-42.949672-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 42.949672 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications with a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, no-lead package, suitable for surface-mount assembly. It supports an operating temperature range of -40°C to 85°C and maintains a frequency stability of ±50ppm.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable functionality for power management
• Designed for low-voltage operation at 1.8V
• Compact 4-SMD no-lead surface-mount package

Oscillators Applications

• Digital signal processing systems requiring precise clock timing
• Communication equipment utilizing standard frequency references
• Embedded systems with low-power constraints
• Consumer electronics with surface-mount requirements

Oscillators Procurement Notes

Verify the specific suffix '-OE' against the manufacturer's current datasheet to confirm exact electrical tolerances and pinout configuration. Ensure the ordering part number matches the required frequency tolerance and load capacitance specifications for your circuit design. Cross-reference with official Mercury Electronics documentation to validate availability and lead times through authorized distributors.

Oscillators Selection Notes

Select this component when a 42.949672 MHz reference is required for LVCMOS-compatible circuits. Consider the 1.8V supply requirement and the ±50ppm stability specification relative to system timing accuracy needs. Evaluate the 4-SMD package dimensions against PCB space constraints. Confirm that the operating temperature range meets the environmental conditions of the final application.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The series offers various standard frequencies tailored for digital applications. Mercury Electronics has established itself as a pioneer in the Taiwan quartz industry, providing reliable components for global electronic manufacturing.

Oscillators Replacement Considerations

Direct substitutes may include other 42.949672 MHz LVCMOS oscillators in 4-SMD packages from manufacturers like Epson or NDK. Verify equivalent supply voltage, output drive strength, and stability specifications before substitution. Check for pin-to-pin compatibility and thermal performance similarities.