18QHTF21-75.525-OE

Overview

The 18QHTF21-75.525-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 75.525 MHz and utilizes LVCMOS output logic. The device is designed for 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 complies with RoHS standards and has a Moisture Sensitivity Level (MSL) rating of 1, indicating unlimited shelf life under specified conditions.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable pin functionality for power management
• RoHS compliant construction for environmental safety

Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly processes.

Selection Notes

Select this component when a low-voltage 1.8V operation is required for clock generation. Consider the small 2.0x1.6mm footprint for space-constrained designs. Verify that LVCMOS logic levels are compatible with the receiving digital inputs. Check if the enable/disable feature is necessary for system power sequencing or standby modes.

Part Context

This part belongs to the QHTF series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The 'OE' suffix typically denotes a specific packaging or tape/reel configuration, though functional characteristics remain consistent within the series parameters defined by the manufacturer datasheets.

Replacement Considerations

Direct substitutes include other 75.525 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical specifications such as jitter and phase noise before substitution. Cross-reference with Mercury Electronics alternative part numbers in the same series for potential drop-in replacements.