H278CRD

Series:	H278C
Part Status:	Active
Lead Free Status / RoHS Status:	--
Color:	Red (x 2)
Moisture Sensitivity Level (MSL):	--
Wavelength - Peak:	700nm
Configuration:	2 High
Current:	20mA
Millicandela Rating:	2mcd
Viewing Angle:	45°
Lens Type:	Diffused
Lens Style/Size:	Round with Domed Top, 5mm, T-1 3/4
Voltage Rating:	2.1V

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H278CRD Application Field and Working Principle

LEDs (Light-Emitting Diodes) have become an essential component in the modern world of electronics. They are used across a variety of applications, and are present in almost any device with a circuit board. One of the most popular LEDs used in the industry is the H278CRD (Honeywell 2,7” 8-Color-LED). The H278CRD is a reliable, low-cost, lead-free, RoHS-compliant surface-mount device that is used in a variety of circuit board applications. It is specifically designed to provide uniform sunlight visibility, even in the harshest of environments. The H278CRD’s RGB (red, green, and blue) configuration of LEDs can be easily integrated into any system, providing easy-to-interpret lighting signals such an array of colours and intensity. Due to its robust construction, the H278CRD is perfect for applications that require a reliable and long-lasting LED. It is also perfect for use in multi-layer circuit boards, as it is extremely efficient and has a high reliability. Not only is the H278CRD suitable for circuit board applications, it can also be used in LED light bars, LED arrays, LED bar graphs, RGB lighting, and many other applications.

Working Principle of H278CRD

The H278CRD operates on direct current, which is then converted into light energy by its built-in LED structures. The current is transmitted through the LED structure and then passed through two contacts. The two contacts allow current to pass from the circuit board application to the LED structure, which in turn results in the LED emitting light.The LED is comprised of a semi-conducting substrate that contains phosphors and multiple internal reflectors. The exact number of reflectors depends on the application, however, the more reflectors there are, the brighter the LED will be. These reflectors then work together to direct the light outward, producing a uniform and consistent light source. The H278CRD also has an impressive operating temperature range of -40°C to 130°C, which makes it perfect for harsh industrial environments. It also boasts a wide range of forward current ratings of between 5mA and 20mA, and a maximum reverse current rating of 0.1mA, making it ideal for a variety of needs.

Conclusion

The H278CRD is a highly reliable and cost-effective LED that is ideal for applications that require uniform sunlight visibility in harsh environments. It is suitable for a variety of circuit board applications, as well as LED light bars, LED arrays, LED bar graphs, RGB lighting, and many other applications. The H278CRD has an impressive operating temperature range and is capable of performing reliably in various forward current ratings. It is no wonder why the H278CRD has become a popular LED in today’s modern world.

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