Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Color:	Yellow (x 4)
Moisture Sensitivity Level (MSL):	--
Wavelength - Peak:	590nm
Configuration:	Bar - 4 Wide, DIP
Current:	175mA
Millicandela Rating:	130mcd
Viewing Angle:	--
Lens Type:	Diffused, White
Lens Style/Size:	Rectangle with Flat Top, 8.89mm x 3.81mm
Voltage Rating:	2V

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KB2720SYKW - Application Field and Working Principle of LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

Introduction

LEDs, or light-emitting diodes, are a group of semiconductor devices that emit light when a current passes through them. LEDs are often used as circuit board indicators, arrays, light bars, and bar graphs, among other uses. The KB2720SYKW is a specific type of LED designed for circuit board indicator applications. This article will discuss the practical characteristics and working principles of the KB2720SYKW, such as its application field, electrical specifications, and environmental parameters.

Application Field and Characteristics

The KB2720SYKW is a surface-mount LED that is designed for use as a circuit board indicator. Specifically, it is a right-angled package that is available in single-color and bi-color versions. The housing size is 3.2 x 2.5 mm, with an LED element size of 1.6 x 1.6 mm. The lens type is diffused, the viewing angle is ±45 degrees, and the available colors are red, yellow, green, and blue.

Electrical Specifications

The KB2720SYKW has an absolute maximum rating of 20V (forward voltage) and 50mA (forward current). Additionally, the forward voltage/forward current curve is 0.3V/5mA for red and green, 0.4V/1mA for yellow, and 2.5V/18mA for blue. Finally, the luminous intensity range is 20 - 28 mcd for red and green, 1.0 - 8.0 mcd for yellow, and 200 - 480 mcd for blue.

Environmental Parameters

The KB2720SYKW is an IP65-rated LED, meaning that it offers effective protection against dust and moisture intrusion. Additionally, it can withstand operating temperatures of -20° to +120° Celsius and storage temperatures of -30° to +85° Celsius. Finally, it can also withstand 5G of mechanical shock in any direction.

Working Principles

The KB2720SYKW is an LED that uses a simple principle of operation. When a forward voltage is applied to the LED, electrons are released from the n-type material and recombine with holes from the p-type material, releasing energy in the form of photons along the way. The released energy is emitted from the LED in the form of light. The brightness and color of the LED depends on the LED material used and the amount of current applied to the LED.

Conclusion

The KB2720SYKW is an LED designed for use in circuit board indicator applications. It is a right-angled package that is available in single-color and bi-color versions, and its lens type is diffused. It has an absolute maximum rating of 20V (forward voltage) and 50mA (forward current), and the luminous intensity range is 20 - 28 mcd for red and green, 1.0 - 8.0 mcd for yellow, and 200 - 480 mcd for blue. It is an IP65-rated LED and can withstand operating and storage temperatures of -20° to +120° Celsius and -30° to +85° Celsius, respectively. Finally, it can also withstand 5G of mechanical shock in any direction. In summary, the KB2720SYKW is a reliable and durable LED designed for a variety of applications.

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