H178CBC-3-Y/G

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LEDs (Light Emitting Diodes) are used as indicators, arrays, light bars, and bar graphs in a variety of applications, from consumer electronics to commercial displays. Of these applications, the H178CBC-3-Y/G LED is particularly well suited for circuit board indicatons. This LED includes three distinct elements: the die assembly, the lens-restrictor, and the housing.

Application Field of H178CBC-3-Y/G

The H178CBC-3-Y/G LED is a three-element device designed to be used as an indication light on a printed circuit board. It incorporates a die assembly containing an array of amber, green and blue LEDs, an insulated lens-restrictor to manage the light distribution, and a two-piece housing for attachment to the PCB. This LED is available with a wide range of mounting heights and presoldered leads, making it ideal for applications in which space is at a premium. Some of the more common uses for this LED include alarm and alert systems, light indicators on control panels, and status lights on medical equipment.

Working Principle of H178CBC-3-Y/G

The working principle of the H178CBC-3-Y/G LED relies on its three distinct elements. The die assembly contains the well-known LED element, which consists of a semiconductor chip mounted on a substrate, typically galvanized steel. When input current flows through the device in a forward direction, the electrons move from the negative side to the positive side, causing the chip to emit light. The lens-restrictor acts like a filter, managing the light distribution and concentrating it in a designated direction, maximizing the clarity of the light produced. Finally, the two-piece housing serves to convert the electrical output of the LEDs into visible light and to mount the device securely to the PCB.

Conclusion

The H178CBC-3-Y/G LED is an effective and reliable indicator for circuit board applications. It provides an efficient solution for applications where space is limited and is designed to provide even light distribution, improving visibility and readability. Its three-element design makes it a great choice for any circuit requiring multi-color lighting, and its small size allows it to be easily incorporated into a wide range of electronic systems.

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