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LED Emitters are semiconductor devices that emit light when current flows through it. This category includes Infrared (IR), Ultraviolet (UV), and Visible. Infrared (electromagnetic radiation) is invisible to the human eye with wavelengths from around 700-800 nanometers (nm) to 1 millimeter (mm). IR is commonly used in heat sensors, thermal imaging, and more. Ultraviolet rays are invisible to the human eye, ranging from around 200 nm to 400 nm. UV is commonly used for curing resin, killing bacteria, and more. Visible emitters exist in the wavelength range from around 400 nm to 700-800 nm. This category can be sorted by type, forward current, wavelength, viewing angle, forward voltage, operating temperature, and more.

The global electronics industry is facing an escalating shortage of tantalum capacitors, a critical passive component, as surging demand from AI servers, automotive electronics,…
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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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See how a MEMS gyroscope measures angular rate, why its angle estimate drifts, and which range, noise, interface and temperature specs to compare.
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WILMINGTON, Mass. – August 11, 2026 — Analog Devices, Inc. (NASDAQ: ADI), the global leading supplier of high-performance analog, mixed-signal and digital signal processing…
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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…
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An RF IC, or radio-frequency integrated circuit, is a chip that processes wireless signals between the antenna and the baseband processor. Instead of building…
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Hsinchu, Taiwan – April 18, 2026 – United Microelectronics Corporation (UMC, NYSE: UMC), a leading global semiconductor foundry specializing in mature process technologies, has…
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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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PLANO, Texas – March 20, 2026 – Diodes Incorporated (Nasdaq: DIOD), a leading global manufacturer and supplier of high-quality application-specific standard products in the…
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Learn the relay definition, coil and contact operation, NO and NC forms, load ratings and suppression choices. Compare mechanical, reed and solid-state types.
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Learn why PTC resistance rises with temperature, how it differs from NTC, and which ratings matter for sensing and protection.
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Tokyo / Munich / Tessenderlo, December 24, 2025As the global semiconductor industry enters the first year of the 2nm process era, international electronic component…
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