H11B3W

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Optoisolators, also known as optocouplers, employ a light source to transmit electrical signals between two circuitry or components. The sensing element of an optoisolator, the H11B3W, typically consists of an LED (light emitting diode) and a photovoltaic (photocell) output transistor. The LED in the optoisolator provides the optical signal transmission path that is isolated from the other electrical components, hence the name “optoisolator."

H11B3W has a reverse voltage of 30 volts and provides an output current of approximately 10 mA. The LED portion, which provides the optical signal, operates at 13.2 mA and consumes 25 mW of power. The LED and the output transistor are encased in a plastic cavity which contains a filter to provide a certain amount of shape and isolation in the signal.

The working principle of the H11B3W optoisolator is relatively simple. When current is applied to the LED, it produces a light signal which is picked up by the photovoltaic (photocell) output transistor. The output of the photovoltaic transistor is then amplified and used to control the output signal. The output signal from the optoisolator can be used to drive various types of loads, such as relays, motors, solenoids, and LEDs, to name a few.

The H11B3W optoisolator finds a wide range of applications in industrial, automotive, and electrical engineering. It is a widely used component in a variety of electronic applications, such as power supplies, motor controllers, sensors, and medical equipment. The H11B3W is also used in the control of LED light sources for displays, and in photoelectric systems.

The H11B3W optoisolator is a reliable and cost-effective way of providing electrical isolation between two electronic components or circuits. It provides a fast response time and can operate in harsh environments, due to its ability to withstand high temperatures and vibration. In addition, its small size and light weight make it ideal for space-constrained applications.

The H11B3W optoisolator provides a robust, versatile, and reliable signal transmission path between two electrical circuits. Its photocell output transistor amplifies the LED signal to control loads and offer an efficient and cost-effective means of controlling a variety of remote-controlled electronic systems.

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