57-21/Y2C-AQ2S1B/BF

Voltage - Forward (Vf) (Typ):	2.05V
Height (Max):	4.00mm
Size / Dimension:	4.00mm L x 3.60mm W
Supplier Device Package:	SMD
Package / Case:	2-SMD, Boomerang
Features:	--
Wavelength - Peak:	591nm
Wavelength - Dominant:	590nm
Mounting Type:	Surface Mount, Right Angle
Viewing Angle:	120°
Current - Test:	20mA
Series:	--
Lens Style/Size:	Round with Flat Top, 2.20mm
Millicandela Rating:	158mcd
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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Introduction
Discrete LED Indication is a key component on electrical and electronic devices. These products are used in many applications, ranging from consumer goods and appliances to industrial and aircraft equipment. Note that LED Indication - Discrete LED Indication is a technology that can be used to clearly identify different categories of objects. Among the many kinds of LED Indications, this article focuses on the 57-21/Y2C-AQ2S1B/BF model, and will discuss its application field and working principle.

Application Field
The 57-21/Y2C-AQ2S1B/BF is mainly used in location identification. This is because the brightness and color of its light can be used to show the location of objects and make them easy to identify. For example, it can be used in warehouses, offices, and retail installations. The indicator can also be used to help people locate specific items. The indicator is also used in sports fields to help athletes and trainers mark their positions for scoring and coaching. Similarly, it is used in medical devices to indicate a person’s temperature, pulse rate, and other vital signs. In addition, the indicator can be used in transportation vehicles to indicate a vehicle’s speed and location.

Working Principle
The 57-21/Y2C-AQ2S1B/BF LED Indication uses an LED bulb as a source of light. The LED bulb contains semiconductor material that converts electrical energy into light energy. The LED bulb operates within a specific voltage range, depending on the type and model of the bulb used. This range is usually between 2.5 and 20 volts. The current level determines the brightness of the LED bulb. The LED bulbs can produce different colors of light, such as white, blue, red and green. Depending on the application, the controller can be set to display either a single color or a combination of different colors. In addition, it can be programmed to flash, blink, or stay lit at certain intervals.

Conclusion
The 57-21/Y2C-AQ2S1B/BF LED Indication is a highly versatile product. It is mainly used to identify the location of objects, but it can also be used in different applications, such as sports, medical, and transportation. The indicator operates within a specific voltage range and the brightness and color of the light can be controlled by the controller. The indicator is also very reliable and can be programmed to display a single color or a combination of different colors, as well as to flash or stay lit.

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