HCPL-261N-500E Isolators

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Optoisolators, also known as optocouplers, are electrical components used in the careful isolation of two circuits. The HCPL-261N-500E optoisolator belongs to the Logic Output type of optoisolators, which are specifically meant to communicate signals between two separate circuits in a reliable manner. It mainly combines the basic principles of essential optics and electronics in order to form an incredibly useful component. The HCPL-261N-500E optoisolator is effective in providing a long-term and reliable coupling to discrete logic output circuits. This article discusses the application field and the working principle of the HCPL-261N-500E optoisolator.

The primary application of a HCPL-261N-500E optoisolator is in telecommunications, where it is used to isolate high frequency signals such as telephone calls. This optoisolator is also employed in data systems where isolation of digital signals is necessary. The HCPL-261N-500E is well-suited for use in microcontroller and digital motor control systems as well as in factory automation. Additionally, this optoisolator is used in consumer products such as modems and other devices that need to be electrically isolated from a power supply.

HCPL-261N-500E optoisolators are capable of operating over a wide range of ambient temperatures, from -40°C to +85°C. Furthermore, these optoisolators are able to survive in environments with heavy shock, vibration, and moisture. Some other features of the HCPL-261N-500E optoisolator include a necessary collector-emitter voltage of 0.8 A min., a typical response time of 10µs, and a typical off-state current of 100µA.

The structure of a HCPL-261N-500E optoisolator contains two independent components: the emitter, which is typically a light-emitting diode (LED), and the receiver/detector, which is an opto-coupler with an invalid logic output. When the LED is not illuminated, the phototransistor is open and the collector-emitter voltage is zero. On the other hand, when the LED emits visible light rays, the phototransistor conducts a current in the opposite direction, and the collector-emitter voltage becomes a low digital logic signal. This makes the optoisolator capable of providing an isolation voltage that goes up to 5000VRMS.

The HCPL-261N-500E optoisolator is a powerful component due to its ability to isolate two distinct circuits. This makes it an essential device in the propulsion and digital control systems, where two primary elements need to be electrically separate but still connected in order to communicate with each other. The HCPL-261N-500E optoisolator is also employed in a wide range of applications, from telecommunications to factory automation.

The HCPL-261N-500E optoisolator belongs to the Logic Output category, as it is mainly used to transfer digital signals between two distinct circuits. Its operation is based on the principles of optics and electronics wherein an LED interacts with a phototransistor to provide the necessary isolation. As the LED emits visible light, the phototransistor conducts a current, producing a low digital logic signal, thereby establishing a reliable connection between the two circuits.

In conclusion, the HCPL-261N-500E optoisolator is an incredibly useful device for transferring digital signals in telecommunications and data systems. This optoisolator also has applications in numerous consumer products and factory automation systems due to its high-isolation, low-power consumption and wide operating temperature range. Further details about the characteristics, applications and functional principles of the HCPL-261N-500E optoisolator can be found in the datasheet available for it.

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