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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.

Stay ahead with ChipApex Insights — technical deep dives, market trends, and sourcing tips for memory, microcontrollers, power management, and industrial-grade components. Trusted by…
Read MoreLas Vegas, January 6, 2026 — At the Consumer Electronics Show (CES) 2026, Texas Instruments (TI) (NASDAQ: TXN) announced a suite of next-generation semiconductor…
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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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As the backbone of modern technology, electronic components are undergoing revolutionary changes, driven by advancements in materials science, miniaturization, and smart manufacturing. From ultra-efficient…
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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…
Read MoreWilmington, Mass. & Milpitas, Calif. – May 19, 2026 – Analog Devices, Inc. (NASDAQ: ADI), a global leader in high-performance analog and mixed-signal semiconductors,…
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CHICAGO, USA – May 27, 2026 – Global leading interconnect manufacturer Molex officially issued a global distributor price adjustment notice on May 27, confirming…
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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…
Read MoreDutch authorities announced on November 7 the lifting of control measures on Nexperia (formerly NXP Semiconductors’ Standard Products division), marking the end of a…
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WILMINGTON, Mass. – July 3, 2026 – Analog Devices, Inc. (ADI), the global leading supplier of high-performance analog, mixed-signal and signal processing semiconductors, has…
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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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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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