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Optoisolators, also referred to as optical couplers, photocouplers, and optocouplers, are devices that use light to transmit electrical signals to isolated circuits. Output types include logic, transistor, photovoltaic, triac, and SCR.

Vishay Intertechnology, Inc., a global leader in discrete semiconductors and passive electronic components, has officially announced a price adjustment for its Metal-Oxide-Semiconductor Field-Effect Transistors…
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Understand tactile switches, PCB and keyboard differences, four-pin wiring, debounce, force, travel and replacement checks for reliable control inputs.
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Munich, Germany – February 8, 2026 — Infineon Technologies, the German semiconductor giant, officially issued a price increase notice on February 5, announcing that…
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Select a DC-DC converter by input range, topology, isolation and temperature. Compare ripple, efficiency and load limits before choosing a component.
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In the embedded world, general-purpose CPUs are great at running operating systems, and MCUs excel at logic control. But when you need to process…
Read MoreMay 4, 2026 — The global power semiconductor market is grappling with a worsening supply crunch, as lead times for key components have extended…
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Understand load cell sensor output, bridge wiring and calibration. Learn how mV/V sensitivity, mechanics and ADC noise affect measurement accuracy.
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The multilayer ceramic capacitor (MLCC) market has fallen into a severe structural supply crunch in the third quarter of 2026, driven by explosive demand…
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STMicroelectronics (ST), a global leader in semiconductor manufacturing, has officially notified customers of a new round of price increases for selected products, set to…
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Explore electronic component types, functions, packages and datasheets. Learn selection, replacement and BOM checks before ordering parts for your PCB.
Read MoreA digital-to-analog converter (DAC) turns a digital number into an analog voltage or current. It lets a controller set a physical output, such as…
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Understand thermal fuse operation, Tf, Th and Tm, electrical ratings and mounting. Check temperature limits and replacement requirements for your design.
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