5611201070

Series:	561
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Color:	Yellow
Wavelength - Peak:	583nm
Configuration:	Single
Current:	2mA
Millicandela Rating:	1.8mcd
Viewing Angle:	50°
Lens Type:	Diffused
Lens Style/Size:	Round with Domed Top, 5mm (T-1 3/4)
Voltage Rating:	1.9V
Mounting Type:	Through Hole

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Circuit Board Indicators, Arrays, Light Bars, and Bar Graphs
LEDs are among the most widely used electrical components in circuit boards due to their versatility, small size, and energy efficiency. LEDs, or light-emitting diodes, are available in a variety of shapes, sizes, and colors. For example, circuit board indicators are often found in consumer products like phones, computers, and appliances. As the name implies, these LEDs indicate the status of a device or the presence of power. There are several types of LEDs used for circuit board indicators, including single-color, bi-color, and multi-color LEDs. Single-Color LEDs
Single-color LEDs produce a single wavelength of light — usually red, green, or blue. These LEDs produce a bright, distinctive color that stands out in a variety of lighting conditions. These LEDs are usually used for simple on/off indicators such as power and status lights. Bi-Color LEDs
Bi-color LEDs are two-colored LEDs that produce light in both red and green. These LEDs feature a single cathode and two anodes — one for each color. By varying the voltage applied to each anode, the LED can produce a range of different colors. Bi-color LEDs are often used as indicators for devices such as computers and phones.Multi-Color LEDs
Multi-color LEDs contain several LED chips in one package — usually three chips that produce red, green, and blue (RGB) light. By adjusting the voltages applied to each chip, a wide range of colors can be created. Since these LEDs are usually programmed with microcontrollers, they can be used to create animated effects. Multi-color LEDs are often used in gaming systems and consoles, as well as in display boards and signs. Light Bars and Bar Graphs
Light bars and bar graphs are used in numerous applications such as audio amplifiers and level indicators. Light bars typically feature several LEDs of the same color arranged in a single row. Bar graphs, on the other hand, feature several LEDs of the same color arranged in a linear progression. Both light bars and bar graphs allow a user to monitor the relative level of a signal or signal source.Working Principle of LEDs
LEDs work by converting electrical energy into light. The process begins when current flows through a semiconductor material. As the current flows, electrons and its corresponding holes are joined momentarily to form an electron-hole pair. This “recombination” produces energy in the form of a photon (light). LEDs are designed to ensure that the majority of the electrons are converted into photons. This is done by using a combination of reflective and refractive surfaces that help photons escape from the semiconductor material — and ultimately, from the LED. LEDs are designed in a variety of ways to produce different types of lights. Most LEDs are packaged in small plastic, metal, or ceramic cases to protect their electronics and to dissipate heat. In some cases, an additional lens may be used to help focus the light. Conclusion
LEDs are among the most versatile electrical components available and can be used in a variety of ways, from indicating the status of a device to producing animated displays and light bars. LEDs are simple to integrate into circuit boards and can be used to create a variety of lighting effects. By understanding the working principles of LEDs and the various types of LEDs available, you can choose the best LED for your project.

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