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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.

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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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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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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Geneva, Switzerland – March 25, 2026 – STMicroelectronics N.V. (NYSE: STM), a global semiconductor leader serving customers across the electronics applications spectrum, has announced…
Read MoreThe Dutch government’s intervention in the control of Nexperia (Anshi Semiconductor) is triggering a chain reaction of turmoil in the global power semiconductor market.…
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Monolithic Power Systems (MPS), a global leader in analog and mixed-signal semiconductors, has notified its distribution partners of an upcoming price increase for selected…
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Learn what a battery BMS does, how protection differs from charging, and which pack specifications to check when sourcing BMS components through ChipApex.
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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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TOKYO — Global leading semiconductor and power electronic components manufacturer Renesas Electronics officially issued a new price adjustment notice in early September 2026, confirming…
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Compare RC, crystal and MEMS oscillator circuits. Check ppm, jitter, load capacitance, startup margin and output compatibility before choosing a clock source.
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Understand how oscillators generate timing signals, how they differ from crystals, and which frequency, output and stability specs matter when choosing one.
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On October 1, 2025 local time, OpenAI, an artificial intelligence research company, announced the establishment of a cooperative relationship with Samsung Electronics and SK…
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