18QHTF21-42.0802-OE

Oscillators Overview

The 18QHTF21-42.0802-OE is a fixed-frequency crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 42.0802 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component is designed for standard clock signal generation applications within electronic systems.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable control functionality
• Compact surface-mount package design

Oscillators Applications

• Timing and clock signal generation
• Electronic device synchronization
• Digital circuit clock sources

Oscillators Procurement Notes

Verify the specific part number against official manufacturer documentation to ensure accuracy. Confirm that the required operating temperature range and load conditions match the system specifications. Check for any specific ordering suffixes or variants that may affect electrical characteristics or packaging details before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a precise 42.0802 MHz clock source is required with low voltage operation. Consider the 1.8V supply requirement and LVCMOS output levels for compatibility with downstream logic circuits. Evaluate the physical footprint constraints due to the small 2.0x1.6mm package size and ensure thermal management aligns with the specified operating temperature range.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in frequency control products. The series includes various frequencies such as 8.300 MHz, 37.200 MHz, and 96.768 MHz, all sharing similar package and voltage characteristics. Mercury Electronics has a long history in quartz crystal manufacturing, providing standardized timing solutions for global electronics markets.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series parts like 18QHTF21-37.200-OE or 18QHTF21-96.768-OE if frequency differences are acceptable. Ensure any replacement maintains the 1.8V supply, LVCMOS output, and 2.0x1.6mm SMD package dimensions for mechanical compatibility.