MOC8050W

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Optoisolators refer to devices that use a combination of optical and electronic technology to provide galvanic isolation between two circuits. The MOC8050W optoisolator is a type of transistor, photovoltaic output optoisolator. It has a variety of applications in the automation, robotics, and control systems fields.

The MOC8050W optoisolator has a multitude of uses, but generally it is used for controlling a load circuit from a separate, isolated control circuit. This optoisolator isolates the control circuit from the load circuit, which prevents unexpected changes in electrical characteristics between them, and allows for enhanced protection against electrical noise in the load side. In the robotics field, a PLC signal might be converted into a power control signal to control the drive motor, and the MOC8050W optoisolator isolates the PLC from the motor. It can also be used in gate drive circuits, where optical isolation is required between two circuits.

On the technical side, MOC8050W optoisolators consist of an infrared diode, coupler, and phototransistor, all within a 6-pin housing. An LED within the optoisolator emits infrared light, which is directed to the phototransistor via an optical coupling material. The phototransistor then acts as the output in the load side circuit. This type of optoisolator also has a wide operating range of 4.5V to 36V, and a high withstand voltage of 75Vrms for 10 seconds.

In terms of operating characteristics, the MOC8050W has a continuous current and peak pulse current rating, which are 40mA and 500mA respectively. It also has a minimum ON/OFF current ratio. The optoisolator has an insensitivity of 4V/µs (max) and a 220V/µs maximum common mode transient rejection. In terms of response time, this optoisolator achieves a 27ns (typical) response rise time, and a 55ns (typical) response fall time.

In conclusion, the MOC8050W optoisolator is a 6-pin transistor, photovoltaic output optoisolator, which provides galvanic isolation between two circuits. It is commonly used in automation and control system fields, as well as robotics, for signal conversion and gate drive applications. It has a wide operating range, high withstand voltage, continuous and peak pulse current ratings, and a minimum ON/OFF current ratio. It also has an insensitivity of 4V/µs (max) and a 220V/µs maximum common mode transient rejection, as well as a 27ns (typical) response rise time, and a 55ns (typical) response fall time.

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