18QHTF21-100.500-OE

Overview

The 18QHTF21-100.500-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 100.5 MHz and utilizes LVCMOS output logic. The device functions within a supply voltage range of 1.8V and features an enable/disable control pin for power management. It is housed in a compact 4-SMD, No Lead package designed for surface-mount assembly. The unit supports an operating temperature range from -40°C to +85°C and maintains a frequency stability of ±50ppm. Maximum supply current is specified at 28mA.

Feature Summary

• Supports Enable/Disable functionality via control pin
• Utilizes LVCMOS output logic for digital interfacing
• Designed for surface-mount technology with no-lead SMD package

Applications

• General clock signal generation
• Digital system timing references
• Embedded electronics applications

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the PCB footprint matches the 4-SMD, No Lead package dimensions provided in the official datasheet. Check for any specific handling instructions regarding electrostatic discharge protection during installation.

Selection Notes

Select this component when a precise 100.5 MHz clock source is required for low-voltage digital circuits. The LVCMOS interface ensures compatibility with standard logic families. Consider the ±50ppm stability specification for applications requiring moderate frequency accuracy. The wide operating temperature range makes it suitable for industrial or commercial environments where thermal variations are expected.

Part Context

This model belongs to the 18QHTF21 series of standard oscillators produced by Mercury Electronics. The series offers various frequency options while maintaining consistent electrical characteristics and package styles. This specific variant provides a high-frequency solution for modern high-speed data processing and communication interfaces requiring stable clock signals.

Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with matching frequencies such as 18QHTF21-59.200-OE or 18QHTF21-50.256-OE if frequency adjustments are permissible. Verify pinout compatibility and voltage levels when considering alternative manufacturers' components.