18QHTF21-7.100-PD

Overview

The 18QHTF21-7.100-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 7.1 MHz with a stability of ±50ppm. The device utilizes an LVCMOS output and supports a 1.8V supply voltage. Maximum current consumption is 21mA. It features a standard package type with a 4-SMD, No Lead form factor.

Feature Summary

• Provides stable clock signals using a crystal base resonator
• Supports low power standby mode for energy efficiency
• Delivers LVCMOS output compatibility for digital interfaces

Applications

• Embedded systems requiring precise timing
• Industrial automation control units
• Communication equipment signal processing

Procurement Notes

Verify the complete part number including the suffix to ensure correct voltage and output specifications. Confirm that the 4-SMD no-lead package matches your PCB footprint requirements. Check datasheet details for operating temperature range and load capacitance values before finalizing component selection for production.

Selection Notes

Choose this component when a 7.1 MHz reference is required with moderate stability. Ensure the design accommodates the 1.8V logic level and 21mA current draw. Consider thermal management if operating in enclosed industrial environments. Verify interface compatibility with the target microcontroller or FPGA input pins.

Part Context

This model belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronic. The series offers various frequencies and voltage options. Mercury Electronic has specialized in quartz crystal manufacturing since 1973, establishing itself as a pioneer in the industry. This specific variant targets applications needing reliable timing solutions.

Replacement Considerations

Direct substitutes include other 7.1 MHz LVCMOS oscillators in 4-SMD packages. Verify pinout compatibility and electrical parameters such as current consumption and stability before swapping. Cross-reference with similar series from other manufacturers ensuring identical form factor and drive levels.