18QHTF21-3.5795-OE

Oscillators Overview

The 18QHTF21-3.5795-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 3.5795 MHz and utilizes LVCMOS output logic levels. The device requires a supply voltage of 1.8V and features an enable/disable control function for power management. It is housed in a compact 4-SMD, no-lead package suitable for surface-mount assembly. The component is designed to operate within a temperature range of -40°C to 85°C.

Oscillators Feature Summary

• LVCMOS output interface for low-voltage digital compatibility
• Integrated enable/disable functionality for power optimization
• Compact 4-SMD no-lead surface-mount package design

Oscillators Applications

• General-purpose clock signal generation in embedded systems
• Timing reference for microcontrollers and processors
• Consumer electronics requiring low-power oscillators

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 3.5795 MHz specification, as the series supports multiple frequencies. Confirm the 1.8V supply voltage requirement aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint is compatible with the PCB layout. Check for any specific handling requirements regarding electrostatic discharge during assembly.

Oscillators Selection Notes

Select this component when a precise 3.5795 MHz timing source is needed for low-voltage applications. The LVCMOS output ensures direct interfacing with standard digital logic without additional level shifting. The enable/disable feature allows for dynamic power control in battery-operated devices. Consider the operating temperature range to ensure reliability in the intended environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various frequency options while maintaining consistent electrical characteristics and package dimensions. Mercury Electronics is a established supplier of frequency control products, including quartz crystals and oscillators, with a long history in the industry.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with different frequency suffixes if the exact 3.5795 MHz is not critical. Cross-reference with other manufacturers offering 4-SMD LVCMOS oscillators at 1.8V, ensuring pinout and electrical specifications match. Verify that any replacement maintains the same enable/disable functionality and temperature range.