18QHTF21-35.2512-OE

Oscillators Overview

The 18QHTF21-35.2512-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 35.2512 MHz and utilizes LVCMOS output logic levels. The device requires a 1.8V supply voltage and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications. The component supports operation within specified industrial temperature ranges, ensuring reliability in electronic circuits requiring precise clock signals.

Oscillators Feature Summary

• Integrates LVCMOS output logic for direct digital interface compatibility
• Includes hardware enable and disable pin for active power control
• Utilizes a leadless SMD package for automated surface-mount assembly

Oscillators Applications

• Digital signal processing clock generation
• Embedded system timing references
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions to prevent assembly errors. Cross-reference the part number suffix with official documentation to confirm the exact frequency tolerance and stability specifications.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V supply is available and space-constrained surface-mount packaging is required. The LVCMOS output is suitable for standard CMOS logic families. Consider the enable/disable feature if power efficiency during idle states is a priority. Verify that the 35.2512 MHz frequency meets the specific data rate or clock division needs of the application without additional dividers.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which focuses on low-profile, leadless surface-mount oscillators. The series typically offers various frequencies and voltage options. Mercury Electronics is a specialized manufacturer of frequency control products, including quartz crystals and oscillators, with a history dating back several decades in Taiwan.

Oscillators Replacement Considerations

Direct replacements must match the 35.2512 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Check datasheets for compatible parts from other manufacturers offering identical pinouts and electrical characteristics. Verify thermal performance and frequency stability metrics to ensure equivalent functionality.