18QHTF21-42.800-OE

Oscillators Overview

The 18QHTF21-42.800-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 42.8 MHz and utilizes LVCMOS output logic. 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 corresponding to the SMD2016 form factor.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated enable/disable control functionality
• Compact surface-mount package design

Oscillators Applications

• Portable electronic devices requiring low standby power
• Digital signal processing circuits
• Communication equipment clock sources

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure compatibility with required voltage levels and output types. Confirm that the 4-SMD no-lead package matches the target PCB footprint and soldering profile requirements before finalizing procurement orders.

Oscillators Selection Notes

Select this component when a precise 42.8 MHz clock signal is required with low power consumption capabilities. Ensure the system design accommodates the 1.8V supply requirement and provides the necessary control line for the enable/disable feature. Verify thermal and mechanical constraints align with the small SMD2016 package dimensions.

Oscillators Part Context

This model belongs to the 18QHTF series of oscillators from Mercury Electronics, which specializes in frequency control products. The series typically offers various frequencies and packaging options designed for consumer electronics and portable applications, emphasizing energy efficiency and compact size.

Oscillators Replacement Considerations

Direct substitutes within the same series include models such as 18QHTF21-44.200-OE or 18QHTF21-13.1313-OE, provided the frequency difference is acceptable for the application. Cross-brand replacements require matching LVCMOS logic, 1.8V operation, and identical package dimensions.