4N26M Isolators

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Optoisolators, also known as optocouplers, are optoelectronic devices that provide electrical isolation between two circuits by connecting them through an LED and a photodiode or phototransistor. Transistor, Photovoltaic Output Optoisolators have many advantages over traditional forms of isolation such as high-voltage transformers, including better reliability and improved impedance matching. The 4N26M is a transistor output optoisolator specifically designed for applications requiring high input-to-output isolation.The 4N26M optoisolator is based on a four-pin dual-in-line package, with one control input and one isolated output. The control input is driven by an LED, and the output is a phototransistor capable of driving up to 100 mA of current. The optoisolator has an operating voltage range of 8.5 to 15 V with a breakdown voltage of 10 V. It also has a wide range of output gain, from 0.3 to 0.9, and is rated for 1 million switching cycles.The 4N26M optoisolator uses an LED and a photodetector to transfer information from the input circuit to the output circuit. When a signal is applied to the control input, the LED will emit light, and the light is then detected by the photodetector. This will cause the photodetector to turn on the transistor, thereby turning on the output. This transfers the input signal from the control input to the output with minimal attenuation.The 4N26M optoisolator also provides galvanic isolation, which means that no direct electrical connection is made between the input and output circuits. This prevents the output circuit from being affected by any kind of electrical noise that may be present on the input circuit, making the circuit safe and reliable.The 4N26M optoisolator is used in a wide array of applications, such as industrial automation, process control, medical equipment, and even automotive systems. It is also commonly used in applications where high-voltage isolation is required, such as motor drives and power supplies.The 4N26M optoisolator is also designed for ease of use, as it only requires a simple two-wire connection to the input and output. This makes it an ideal choice for applications that need to interface with various types of instruments or systems.In conclusion, the 4N26M optoisolator is a reliable and robust optoelectronic device that provides electrical isolation between two circuits. It is designed to withstand harsh environmental conditions and has a long life of up to a million switching cycles. The optoisolator is also easy to install and requires minimal wiring, making it an ideal choice for a variety of applications.

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