3BWDL-F Optoelectronics

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3BWDL-F Application Field and Working Principle

Light-emitting diode (LED) Indication is a technology widely used in a wide range of applications, especially in the electronics industry. The 3BWDL-F is an example of LED Indication. It is a red discrete indication series providing brighter illumination, greater visibility, and an improved long-term expected performance. The 3BWDL-F family of LEDs is an ideal choice for use in office automation and transportation equipment, gaming applications, medical instruments, factory automation and remote controls.

Application Field

The 3BWDL-F LED series are designed for direct mounting onto printed-circuit boards (PCBs). Mounting of this series can be done in any orientation. The application field of 3BWDL-F greatly extends from conventional to industrial, commercial, and medical designs. It has several applications including indication of light/fan speed/mode indicator, highlight display, audio indicators, power/speed controls, status notifications, and lighting decorations. They are suitable for digital and visual LED indicators, LED displays and LED lamps.

Function and Working Principle

The 3BWDL-F LED series features a uniquely designed Fresnel lens allowing the LED to emit light at a wide angle. This lens has the ability to promote a panoramic viewing angle and enhanced visibility while providing improved long-term expected performance. The lenses are made of a durable, optically perfect material that increases the brightness of the emitting light. The engineering of the lenses also allows for improved off-axis optical characteristics. The lens serves as an efficient outlet for the light produced by the LED.

The 3BWDL-F LEDs work by passing electric current through a semiconductor material, usually gallium arsenide. The electrons in the semiconductor material absorb the energy from the current, and become excited. As the electrons relax back to their normal state, they emit light of a specific wavelength, and the colour of the emitted light depends on the materials used in the LED. The 3BWDL-F produces light in the colour of red.

For most automotive and industrial applications, LEDs are designed with a 12V or 24V DC power supply. The current traveling through the LED is limited by the current-limiting resistor. Without the resistor, too much current will flow, and the LED will overheat and burn out. The value of the resistor depends on the desired current. It is important to note that the drive current should not exceed 25mA, and the forward current should not exceed 30mA.

The 3BWDL-F LED series require optoelectronic drive circuits or voltage stabilizer. It needs controlling circuit to achieve the required illumination of indication or indication ark. In some cases, the LED’s brightness may be adjusted with the help of a variable resistor. When adjusted, the LED’s brightness is changed.

Conclusion

The 3BWDL-F LED series is a good example of LED Indication. Its application field extensively covers a broad range of applications. The working principle of this series involves passing electric current through semi conductor material to produce light. Its lenses have ability to promote a panoramic viewing angle and enhance visibility while providing improved long-term expected performance. Therefore, the 3BWDL-F is the ideal choice for use in various applications.

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