5502207010F

Series:	550
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Color:	Green
Wavelength - Peak:	563nm
Configuration:	Single
Current:	25mA
Millicandela Rating:	10mcd
Viewing Angle:	65°
Lens Type:	Diffused
Lens Style/Size:	Round with Domed Top, 5mm (T-1 3/4)
Voltage Rating:	2.1V
Mounting Type:	Through Hole, Right Angle

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LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

Light-emitting diodes (LEDs) are everywhere, from traffic lights to cell phones and many other everyday objects. A type of diode, an LED is a special type of semiconductor that emits light when a current passes through it. 5502207010F is a specifically designated type of LED designed for circuit board indicators and light bar applications. This article will explain the application field and working principle for this type of LED.

Application Field

5502207010F is a surface mount technology (SMT) LED designed to mount directly on the printed circuit board (PCB). The physical size of this type of LED is much smaller than their radial or through hole counterparts which makes them ideal for applications where space is limited. They are commonly used as indicators, on flashlights, cameras, and medical equipment, as spotlights, backlighting, and in automotive applications.

How it Works

The internal structure of an LED is a diode composed of a positive layer (anode) and a negative layer (cathode). Within the dielectric, there is a thin, transparent layer of silicon nitride. When electric current is applied, electrons flow from the anode to the cathode and the pores of the material absorb the current, this is called electron injection. The electrons then combine with positively charged particles (holes) and create an emission called electroluminescence. Electroluminescence is the result of electrons combining with positively charged particles, also known as holes. Electrons reveal a small amount of energy, in the form of a photon, as they combine with the holes. This light is then reflected off the internal structure of the LED and emitted as visible light. The color of the emitted light is also determined by the material used within the LED. Each material emits light at different wavelengths based on its composition and structure, hence the variety of colors of LEDs.

Conclusion

In conclusion, 5502207010F is a type of LED designed for circuit board indicators and light bar applications. It offers a smaller form factor than radial or through hole LEDs making it ideal for applications where space is limited. How it works is by applying electric current to the LED, causing electrons to flow from the anode to the cathode. The electrons then combine with positively charged particles (holes) and emit a form energy called electroluminescence, which is then visible as light. The color of the emitted light is determined by the material used within the LED.

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