The 5mm Blue LED is a standard through-hole optoelectronic semiconductor device that emits a bright blue light when forward-biased. It features a transparent or tinted 5mm plastic dome package that acts as a lens to focus the emitted light. Inside, it utilizes an Indium Gallium Nitride (InGaN) semiconductor material to convert electrical energy directly into light energy. The component is equipped with two radial leads: a longer positive lead (anode) and a shorter negative lead (cathode) with a flat edge on the housing side for easy orientation identification. It is widely used for status indication, display panels, signage, electronic prototyping, and decorative backlighting.Â
Key Features
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- Standard through-hole package: Features a classic 5mm radial lead design that easily fits into breadboards and standard PCBs.
- InGaN technology: Utilizes premium Indium Gallium Nitride material to ensure a highly efficient, vibrant, and pure blue output.
- Integrated focus lens: Covered by a clear or tinted epoxy dome that concentrates light into a defined viewing angle.
- Low power consumption: Draws very low current while maintaining high brightness, making it ideal for battery-operated devices.
- Polarity indicator: Designed with uneven lead lengths and a flat-edge notched rim to guarantee correct circuit installation.
- Solid-state reliability: Contains no fragile moving parts or filaments, providing high resistance to mechanical shock and vibration.Â
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