12-21UBC/C430/TR8

Voltage - Forward (Vf) (Typ):	3.8V
Height (Max):	1.00mm
Size / Dimension:	3.00mm L x 2.00mm W
Supplier Device Package:	Chip LED
Package / Case:	2-SMD, No Lead
Features:	--
Wavelength - Peak:	428nm
Wavelength - Dominant:	466nm
Mounting Type:	Surface Mount, Right Angle
Viewing Angle:	120°
Current - Test:	20mA
Series:	--
Lens Style/Size:	Rectangle with Domed Top, 2.20mm x 1.00mm
Millicandela Rating:	22mcd
Lens Transparency:	Clear
Lens Color:	Colorless
Color:	Blue
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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LED Indication – DiscreteLED indication has become the ubiquitous technology for providing information to users in a range of established and emerging applications. Today, LEDs are the popular choice for indicator lighting due to their long life, easy-to-use modularity and optical quality. One of the forms of LED indications is discrete LEDs.Discrete LEDs OverviewDiscrete LEDs are single light units that are used in many different applications. These LEDs may be powered by a voltage regulated current or a simple low level current. The standard front light colour of the discrete LED is red, but several other options like yellow and green are also available.The maximum current for which discrete LEDs can operate varies between 2mA and 20mA with a voltage range between 1.8V and 3.5V. They have a long life and are environmentally stable, making them an ideal solution for many applications. The visibility range of these devices is excellent and they have a very low power consumption. They require very little maintenance and can be operated in temperature-controlled environments.Application FieldDiscrete LEDs are used in a wide range of applications such as automotive, consumer electronics, industrial, medical and home appliances. They are also used in telecommunications and instrumentation.For automotive applications, discrete LEDs are used as indicators for turn signals and display alerts. They can also be used to detect and diagnose computer errors in different areas of vehicle operation. In consumer electronics, they are used to alert users to the status of devices such as cell phones and digital cameras.In industrial applications, discrete LEDs are used for process control, safety and solar indicator lights. They are also used for machine and medical diagnostics, as well as for monitoring ventilation systems.For home appliances, discrete LEDs are used for indicating the status of various appliances such as washing machines, dishwashers and microwaves.Working PrincipleDiscrete LEDs work with the principle of generating light by allowing a current to flow through a semiconductor diode. This diode is capable of converting electrical energy into visible light. The emitted light depends upon the type of semiconductor material used in the diode and the amount of current passing through it.When current passes through the diode junction, electrons are impacted on an atom, resulting in the emission of light. The color of this light varies, depending on the type of semiconductor material and the amount of current passing through it. Higher current produces brighter light while lower current produces dimmer light.Discrete LEDs are designed to conform to international standards, ensuring optimal performance and reliability. These devices are tested to ensure that they deliver consistent performance and their construction is optimized for the application for which they are used.ConclusionDiscrete LEDs are the popular choice for indicator lighting due to their long life, easy-to-use modularity and optical quality. They are used in a wide range of applications including automotive, consumer electronics, industrial, medical and home appliances. Discrete LEDs work by allowing a current to pass through a semiconductor diode and generating light. The emitted light depends upon the amount of current passing through the diode. These LEDs have a long life and are environmentally stable, making them an ideal solution for many applications.

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