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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.

Geneva, Switzerland – August 20, 2026 – Global leading semiconductor manufacturer STMicroelectronics (ST) has officially issued a new global price adjustment notice to global…
Read MoreSeptember 16, 2026 – Global — Leading semiconductor manufacturer ON Semiconductor (onsemi, NASDAQ: ON) has officially issued a formal price adjustment letter to global…
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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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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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Recently, a survey by the Electronic Components Industry Association (ECIA) revealed that the sales sentiment of global electronic components remained optimistic in the third…
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[Shenzhen/Shanghai/Beijing, January 2025] — As global digital transformation accelerates, the electronic components industry has reached a critical inflection point in 2025. Emerging fields such…
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Stay ahead with ChipApex Insights — technical deep dives, market trends, and sourcing tips for memory, microcontrollers, power management, and industrial-grade components. Trusted by…
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Recently, the global electronic component market has witnessed a series of new developments. The strategic layouts and market collaborations of major enterprises are constantly…
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Understand RF attenuator dB values, fixed and programmable types, impedance, power limits and noise tradeoffs before choosing parts for an RF signal path.
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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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Learn what an integrated circuit is, how ICs work, the main types and the specs to check before choosing a part for your design…
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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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