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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.

Compare Pt100 and Pt1000 RTDs, two-, three- and four-wire connections, excitation and self-heating. Build an error budget from element to reported temperature.
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Select a common mode choke using noise frequency, current, insulation and signal integrity. Understand impedance curves, layout and filter limitations.
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Select power transformers by input frequency, secondary VA, rectifier load, isolation, regulation and inrush. Build a clearer specification for your next RFQ.
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Find out when a bare shock switch needs a pull resistor, when an MCU internal pull-up is enough, and why sensor modules and piezo…
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Compare rheostat and potentiometer wiring and functions. Understand divider loading, wiper current, track power and practical component selection.
Read MoreSeptember 16, 2026 – Global — Leading semiconductor manufacturer ON Semiconductor (onsemi, NASDAQ: ON) has officially issued a formal price adjustment letter to global…
Read MoreNXP Semiconductors (NASDAQ: NXPI), a global leader in automotive, industrial, and IoT semiconductors, has officially notified customers of an upcoming price adjustment for select…
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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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What Is NOR Flash? Why It Still Powers Critical Embedded Systems When your car’s engine control unit boots in milliseconds…When a medical device executes…
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Choose an AC to DC converter by input range, output demand, isolation, efficiency and thermal derating. Compare architectures and check installation needs.
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On September 22nd, it was reported that Samsung Electronics, the South Korean tech giant, had successfully passed NVIDIA’s certification test for its 12-layer HBM3E…
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Learn how an analog front end conditions sensor signals. Compare gain, noise, filtering, ADC settling and integration options before selecting components.
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