18QHTF21-42.240-OE

Oscillators Overview

The 18QHTF21-42.240-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 42.24 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm. The component complies with RoHS standards.

Oscillators Feature Summary

• Standard XO configuration with LVCMOS output
• Integrated enable/disable functionality
• RoHS compliant construction

Oscillators Applications

• General electronic circuit timing
• Digital signal processing systems
• Communication equipment modules

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage and frequency specifications. Confirm that the RoHS status aligns with environmental compliance requirements for the target assembly. Check datasheet details for pinout and electrical characteristics before integration into the design.

Oscillators Selection Notes

Select this component when a low-profile 2.0x1.6 mm footprint is required for space-constrained designs. The 1.8V supply and enable feature make it suitable for battery-powered or power-sensitive applications. Ensure the LVCMOS output level matches the input requirements of the connected load circuitry.

Oscillators Part Context

This part belongs to the QHTF series of surface mount oscillators from Mercury Electronics. The series offers various frequencies and packages. The 18QHTF21 variant specifically denotes the 1.8V supply and 4-pin SMD form factor within the company's quartz oscillator product line.

Oscillators Replacement Considerations

Direct substitutes include other 42.24 MHz LVCMOS oscillators in 2.0x1.6 mm packages with 1.8V operation. Verify pin compatibility and electrical parameters before substitution.