6N139-500E Isolators

Optoisolators, also known as optocouplers, are electronic components used to electrically isolate two circuits by using light. One of the most popular opto-isolators today is the 6N139-500E, a transistor-output type optocoupler. This component is frequently used in a variety of applications ranging from industrial automation to consumer devices. In this article, we will discuss the application fields and working principle of the 6N139-500E optoisolator.

The 6N139-500E optoisolator is a single transistor output type optocoupler and is particularly well-suited for DC current loops in control systems with a DC input loop and a DC switch output loop. This type of optoisolator allows a microcontroller to directly control a light source that dictates an external or remote signal. It is often used in industrial applications in order to isolate the control signals from the main power section of the system, protecting it from potential damage from electrical noise and other disturbances. In addition, it can also be used in consumer electronics for the same purpose.

The 6N139-500E optoisolator works using a principle called photocurrent principles. This principle involves the use of an infrared diode as the input side and a phototransistor as the output side. The infrared diode is the light source, which radiates a flux of light that is then detected by the phototransistor. The output of the phototransistor is then processed by the microcontroller.

In order to function properly, the 6N139-500E optoisolator must be exposed to an adequate supply of light. For this reason, it should be placed in a location that receives sufficient exposure to the required light. Furthermore, the phototransistor should be protected from any stray light sources that might cause interference. In order for the optoisolator to operate properly, the diode and the phototransistor should also be properly matched in terms of wavelength and intensity.

The 6N139-500E optoisolator is a widely used component in a variety of applications. Its compact size and simple principle make it an effective and efficient solution for isolating control signals from the main power section of a system. Furthermore, its photocurrent principles make it an ideal solution for DC current loops.

In conclusion, the 6N139-500E optoisolator is an excellent choice for both industrial and consumer applications in order to provide effective electrical isolation between two circuits. Its compact size and photocurrent principles make it an efficient and reliable solution for DC current loops. With proper implementation, this optoisolator can provide a cost-effective solution for many applications requiring electrical isolation.