18QHTF21-11.700-PD

Overview

The 18QHTF21-11.700-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 11.7 MHz. It utilizes LVCMOS output logic and supports a supply voltage range typically associated with the series, including 1.8V standby capability. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 2.00mm. It is designed for surface mount technology applications requiring precise timing signals.

Feature Summary

• Provides stable clock signals using LVCMOS output logic
• Features low profile surface mount packaging for space-constrained designs
• Supports power down functionality for energy efficiency

Applications

• Embedded systems requiring precise timing references
• Consumer electronics with limited board space
• Industrial control modules needing reliable clock sources

Procurement Notes

Verify that the specific part number matches the required frequency and output logic before procurement. Ensure compatibility with the target supply voltage and operating temperature range. Confirm that the 4-SMD no lead package aligns with the PCB footprint design. Check for any specific handling requirements due to the small form factor.

Selection Notes

Select this component when a small footprint and low power consumption are critical. Consider the LVCMOS output compatibility with downstream digital circuits. Evaluate the operating temperature range against environmental conditions. Compare physical dimensions with available board space to ensure proper fitment during assembly.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, known for quartz crystal and frequency control products. The manufacturer has experience since 1973 in Taiwan, specializing in crystals, oscillators, and filters. This series represents their surface mount solutions for modern electronic devices.

Replacement Considerations

Direct substitutes include other 11.7 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical specifications before substitution. Alternative part numbers within the same series may offer different frequencies but similar physical characteristics.