Voltage - Forward (Vf) (Typ):	2.1V
Height (Max):	7.50mm
Size / Dimension:	--
Supplier Device Package:	Rectangular 2mmx5mm
Package / Case:	Radial
Features:	--
Wavelength - Peak:	585nm
Wavelength - Dominant:	588nm
Mounting Type:	Through Hole
Viewing Angle:	140°
Current - Test:	10mA
Series:	521
Lens Style/Size:	Rectangle with Flat Top, 5.00mm x 2.00mm
Millicandela Rating:	3.7mcd
Lens Transparency:	Diffused
Lens Color:	Yellow
Color:	Yellow
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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LED Indication - Discrete

Introduction

Discrete LEDs are a type of light-emitting diode that can be grouped in a variety of arrangements, providing useful and decorative illumination. Such LEDs are usually built on a single or multi-dimensional board, weighing anywhere from a few grams to multiple kilograms. LEDs emit different amounts of light depending on their intended application, and they are typically selected depending on the application\'s requirements.

5219452F Application Field

The 5219452F is a type of discrete LED popularly used in various fields, including residential, commercial and industrial lighting, vehicle interior lighting and medical imaging. The 5219452F features a lens diffusion definition rate of 120 degrees, with up to 3 watts 12 volts input power. Its current rating is 150 mA, which makes it a suitable choice for applications where brightness and longevity are key. In terms of lighting, this LED is ideal for those seeking increased efficiency. It offers reliability and improved lifetime performance when compared to an equivalent bulb time. Its even light dispersion rate is also beneficial to homeowners who want to achieve an aesthetically pleasing outlook while also reducing their energy costs. Additionally, discrete LED applications also include medical imaging and vehicle interior lighting. In medical imaging, the LED\'s lower thermal output and ultra-wide beam angle allow for a broader field of vision than traditional lighting. Its light output also enables observation of tissue tone and texture, enabling better image capture during diagnoses. Regarding vehicle interior lighting, LEDs have revolutionized the industry by providing powerful yet energy-efficient solutions that drastically improve visibility and ambiance. With the amount of time spent in one\'s car, LEDs provide better quality light at a lower cost—exactly what a driver needs while on the go.

Working Principle

The 5219452F discrete LED works on the same principle as other light-emitting diodes. When a positive charge is applied to the p-n junction, electrons flow from the p-type material to the n-type material and emit photons in the process. The wavelength of the emitted light is influenced by the electronic gap between the p and n-type material while the intensity is determined by the current. It’s also worth noting that LEDs have become more efficient over the years. This is in part because of their construction, which incurs minimal material wastage. As the demand for energy-efficient lighting has increased, manufacturers have incorporated various features into their LED designs that enable higher efficiency. For instance, LED chips are now more densely packed, with copper metallization that helps prevent leakage and variability. On the other hand, newer chip-on-board designs have evolved to allow for better heat dissipation, which in turn allows for higher current density and energy distribution. This enables the LED to be more energy efficient at least by 10 - 20%.

Conclusion

The 5219452F is a type of discrete LED suitable for a variety of applications, including residential, commercial and industrial lighting, vehicle interior lighting and medical imaging. This LED works on the same principle as other light-emitting diodes, with a positive charge applied to the p-n junction causing electrons to flow from the p-type material to the n-type material. LEDs continue to become more efficient due to the incorporation of various features into their design, such as chip-on-board designs that help with heat dissipation.

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