12-21UYC/S530-A3/TR8

Voltage - Forward (Vf) (Typ):	2V
Height (Max):	1.20mm
Size / Dimension:	3.00mm L x 2.00mm W
Supplier Device Package:	Chip LED
Package / Case:	2-SMD, No Lead
Features:	--
Wavelength - Peak:	591nm
Wavelength - Dominant:	589nm
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:	35mcd
Lens Transparency:	Clear
Lens Color:	Colorless
Color:	Yellow
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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LED Indication - Discrete

LED (light emitting diodes) are one of the most popular technologies used for the indication of power status, communication interface, and any other control event. The 12-21UYC/S530-A3/TR8 discrete LED may come in different types - super, small, micro SMT, or conventional leaded. Generally, they are designed to fit in small spaces and are suitable for multiple applications.

Application Field

The 12-21UYC/S530-A3/TR8 LED display is usually deployed in keypad display, automated control systems, scientific instrumentation, industrial equipment, process control systems, data display panels, and even analytical instruments. Its design is intended to provide an easy-to-see indication of a system or process operation regardless of the distance. Moreover, its wide detection range, both in terms of physical orientation and verticality, allows for quick and accurate responses in deciphering the indication. For instance, the 12-21UYC/S530-A3/TR8 LED can be used in mobile telecommunications systems to monitor current network allocation, control and network signaling. On the other hand, this type of LED indicator is used in medical instruments to identify system monitoring, warning, and operation status. Lastly, it can be used in both consumer and automotive electronics for many purposes like displaying performance - such as maximum speed - and warning of operation.

Working Principle

LED is an electronic device employing a phenomenon called electroluminescence or light emitting diode (LED). This phenomenon refers to the emission of light when an electric current is passed through a semi-conductor junction. The 12-21UYC/S530-A3/TR8 LED operates in a way similar to other conventional LEDs. However, it is designed to optimize both performance and efficiency with a low voltage operation. The LED works by electrically grounding the negative lead while the device base is consistently grounded. In the event of a voltage fluctuation, the LED will flicker until the voltage is stabilized. The internal structure of the LED consists of two layers with opposite electron arrangement. When an electric current is passed through these layers, electrons and holes recombine at the junction of these two layers and emit photons. This is what makes the LED light up.

Conclusion

The 12-21UYC/S530-A3/TR8 LED Indication from Discreet is a tool that many businesses and industrial facilities can benefit from. With its efficient operation and small size, this device is ideal for different scenarios such as network allocation and operation monitoring. The working principle behind it is based on electrons and holes recombining to produce light when a current is passed through the device. As a result, this LED can quickly indicate a system or process operation regardless of the distance.

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