4N26M-V

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An optoisolator, also called an optocoupler, photocoupler, or optical isolator, is an electronic device that removes the need for direct electrical contact between the input and output of two devices. Optoisolators are frequently used in automated control loops to eliminate noise pickup, especially in power, sensing, or signal circuits. The 4N26M-V optoisolator belongs to the family of transistor-photovoltaic (TPV) optoisolators and features isolation voltage ratings of 40kV/µs and 3500V RMS for an individual device.

The 4N26M-V optoisolator consists of an infrared LED positioned in close proximity to a phototransistor. When the LED is illuminated, the phototransistor turns on, which activates the output of the optoisolator. The 4N26M-V optoisolator has a wide operating range and can be used in both AC and DC applications.

The primary use of 4N26M-V optoisolators is to protect sensitive system components from damage caused by voltage, current, or temperature fluctuations. They are most commonly used in industrial automation, instrumentation, and process control applications. 4N26M-V optoisolators can also be used for data communication, motor control, and switching circuits.

4N26M-V optoisolators are designed to provide reliable signal transfer with minimum loss and distortion. The optoisolator’s superior optical performance ensures that the input signal will be accurately and faithfully reproduced at the output. Additionally, the optoisolator’s high isolation voltage rating ensures that there are no electrical connections between the input and output. This eliminates any possibility of electrical noise pickup and transfers signals from one circuit without affecting the other.

In terms of working principle, 4N26M-V optoisolators feature an LED positioned in close proximity to a phototransistor. When the LED is illuminated, it emits light, which is then detected by the phototransistor. The phototransistor converts the optical signal into an electrical signal, which is then used to trigger the output of the optoisolator.

In summary, 4N26M-V optoisolators are a type of transistor-photovoltaic optoisolator that can be used for a wide range of applications such as industrial automation, instrumentation, process control, and data communication. They feature superior optical and electrical performance with high isolation voltage ratings and minimal loss and distortion. By isolating the input and output signals, 4N26M-V optoisolators protect sensitive system components from potentially damaging voltage, current, or temperature fluctuations.

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