low ESR crystal

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FCX-4U Quartz Crystal | Resistance Welded HC-49U

FCX-4U Quartz Crystal | Resistance Welded HC-49U

FCX-4U is a resistance-welded quartz crystal unit in HC-49U package. It offers improved frequency pullability, lower ESR, and mechanical robustness. With a broad frequency range from 1.8 to 64 MHz and compatibility with typical load capacitances, it is widely used in consumer electronics, microcontroller platforms, and test instrumentation.

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FCX-4U

quartz crystal

HC-49U

resistance welded crystal

low ESR crystal

microcontroller timing

FPGA clock crystal

FCom Crystal

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