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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.

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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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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Geneva, Switzerland – August 20, 2026 – Global leading semiconductor manufacturer STMicroelectronics (ST) has officially issued a new global price adjustment notice to global…
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The global memory market is entering an unprecedented supply-constrained phase as soaring demand from artificial intelligence (AI) infrastructure collides with strategic capacity reallocations by…
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Manchester, New Hampshire, USA – March 22, 2026 – Allegro MicroSystems, Inc. (Nasdaq: ALGM), a global leader in high-performance power and sensing semiconductor solutions…
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Learn what an IMU measures, how accelerometers and gyroscopes work together, why orientation estimates drift, and what to compare.
Read MoreRecently, global semiconductor manufacturers have been constantly making moves in aspects such as technological cooperation, product manufacturing processes, and market layout, demonstrating the rapid…
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In embedded design, the tug-of-war between cost and performance is constant. On one side, you have Microcontrollers (MCUs)—cheap, simple, and efficient. On the other,…
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Learn how a diode conducts, how to identify anode and cathode, and when to choose rectifier, TVS, Zener or photodiode types for a circuit.
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Select MOV varistors by continuous voltage, clamping behavior, surge waveform and repetition. Check thermal disconnection, fuse coordination and replacements.
Read MoreON Semiconductor (onsemi), a global leader in intelligent power and sensing technologies, has announced plans to implement price adjustments for select product lines, effective…
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Selecting the right microcontroller (MCU) isn’t just about specs—it’s about balancing performance, power, cost, and supply chain reliability. As an engineer, you’ve probably faced…
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