5530744

Series:	553
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Color:	Green, Yellow (x 2)
Wavelength - Peak:	565nm, 585nm
Configuration:	2 High
Current:	20mA
Millicandela Rating:	6.3mcd Green, 4.3mcd Yellow
Viewing Angle:	80°
Lens Type:	Clear
Lens Style/Size:	Round with Domed Top, 3mm (T-1)
Voltage Rating:	2.1V
Mounting Type:	Through Hole, Right Angle

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

LEDs are one of the most popular circuit board indicators available on the market today. They come in a variety of colors, shapes, and sizes - from tiny indicator lights to large, multi-colored arrays. They are used in a wide range of applications, from signaling alarms to providing visual feedback for data input.A LED is a diode, or a single-layer p-n junction diode. When diode current flows through the device, a voltage drop occurs, causing the electrons to be driven across the junction. This creates electron-hole pairs, which in turn generates a light emission. The color of the light emission depends on the materials used in the LEDs construction.LEDs come in two basic varieties - single-color and multi-color. Single-color LEDs are usually bi-colors, meaning they can generate a single color, such as green, but can also be driven to show two colors, such as red and green. Multi-color LEDs are capable of generating different colors by driving multiple Current-Voltages into different pins.Circuit board indicators typically use an internal or external resistor to limit the current that flows through the LED. This current-limiting resistor controls both the brightness of the LED and the power consumption. When using an external resistor, the resistance should be matched to the LEDs forward voltage and forward current in order to maximize brightness and efficiency.LED arrays are another popular type of circuit board indicator. LEDs can be arranged in different patterns and configurations, such as in a matrix or parallel lines. This allows for creating unique lighting effects and patterns.In addition to the array leds, there are also light bars and bar graphs. Light bars are usually used to provide a bright, uniform lighting effect and they can be used to create a barrier of light or an illuminated backdrop. Bar graphs are used to illustrate information in a visual manner. Each LED in the graph corresponds to a certain value and produces a certain color when lit up.LEDs are one of the most versatile and efficient lighting solutions available. They are reliable, energy-efficient, and easy to use. With the vast array of shapes, colors, and sizes, they can be used to create a variety of different lighting effects. They can also be used to indicate specific information such as alarms or data input. Ultimately, LEDs are a great solution for any circuit board indicators.

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Part Number	Manufacturer	Price	Quantity	Description