18QHTF21-20.8125-OE

Oscillators Overview

The 18QHTF21-20.8125-OE is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.8125 MHz with a supply voltage of 1.8V. The device utilizes an LVCMOS output format and features an Enable/Disable control function. It is housed in a compact 4-SMD package with dimensions of 2.0x1.6 mm. This component is designed for applications requiring precise timing signals in low-power electronic systems.

Oscillators Feature Summary

• Compact 2.0x1.6 mm surface mount package design
• Low voltage operation at 1.8V supply
• LVCMOS output signal compatibility
• Integrated enable/disable control functionality

Oscillators Applications

• Portable consumer electronics
• Communication modules
• Embedded system clock sources
• IoT devices

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply rail stability meets the oscillator specifications. Confirm the 4-SMD footprint matches your PCB layout constraints. Check for RoHS compliance status if required by your manufacturing standards. Validate the enable pin logic levels with your microcontroller or FPGA I/O capabilities.

Oscillators Selection Notes

Select this component when a small form factor and low power consumption are critical. The 1.8V operation suits modern low-voltage digital logic families. The enable feature allows for power management strategies in battery-operated devices. Consider the 20.8125 MHz frequency suitability for your data transmission rates or processing needs. Evaluate thermal performance within the confined 2.0x1.6 mm package area.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in high-frequency control products. The series offers various frequencies and voltage options in a standardized small outline package. Mercury Electronics has a long history in quartz crystal manufacturing, providing reliable timing solutions for global markets.

Oscillators Replacement Considerations

Direct substitutes may include other 1.8V LVCMOS oscillators in 2.0x1.6mm packages from manufacturers like Epson, NDK, or SiTime. Verify electrical parameters such as frequency accuracy, phase noise, and current consumption match the original specification. Ensure pinout compatibility for the enable and output pins.