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Optoisolators - Transistor, Photovoltaic Output

Optoelectronic devices are used to electrically isolate a high speed controlled circuit from a noisy signal source. The CNW139S is an optoisolator device commonly used in the automation and industrial control industry. This device is one type of opto-isolator, which consists of a phototransistor and a housing containing a light source. It is characterized by a low power dissipation rate and a low input current.

CNW139S application field and working principle

The CNW139S optoisolator is used to convert input signals from circuit elements such as transistors, integrated circuits, microprocessors, and field-effect transistors into optical signals. This device is widely used in areas such as industrial automation, process control, ups, power supplies, and robotics. The CNW139S can also be used as an amplifier and a switch for low power signal control and/or feedback.

The CNW139S optoisolator device works by converting an electrical input signal into an optical output signal, which is then transmitted across an electrically isolated barrier. Inside the device, a phototransistor is used to detect the optical signal and convert it back into an electrical signal, which can be used by the circuit elements. The CNW139S optoisolator is a low-power device, with low input current and a low dissipation rate.

The CNW139S optoisolator is available in a variety of packages including DIP, SMD, MDE, and through-hole options. It offers a wide voltage range of 5-24 volts and a wide current range of 0.1 - 2 milliamperes. It has a high isolation voltage of up to 10,000 volts, and a low coupling capacitance of less than 4pf. It is equipped with a fast data transfer speed of up to 50MHz, making it suitable for applications in industrial automation, process control, and robotics.

The CNW139S is a versatile opto-isolator, with multiple applications in the field of industrial automation. It is an ideal solution for controlling electrically noisy components, and for isolating high-speed or analog signals from EMI and RFI noise. In addition, it provides isolation of the input in order to protect the control circuit from any damage due to excessive current. The CNW139S optoisolator is a robust device and can be used in harsh environments.

Conclusion

The CNW139S optoisolator is a low power, high speed opto-isolator device offering a wide range of applications in industrial automation, process control, and robotics. Its unique property of providing isolation of the input signal helps protect the control circuit, and its low input current and dissipation rate make it suitable for low power operation. Its wide voltage range and high isolation voltage makes it a suitable choice for noise-sensitive applications, while its data transfer speed of up to 50MHz makes it a suitable option for high speed applications. The CNW139S is a versatile opto-isolator device available in multiple packages, with a high level of reliability and an excellent performance.

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