EL817(M)(B)-G

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Optoisolators are devices used to couple electronic signals between two circuits that are isolated from each other electrically in order to protect the circuits from interference. The EL817(M)(B)-G optoisolator is a unique type of optoisolator that utilizes a transistor and a photovoltaic output. The device utilizes a light emitting diode (LED) to emit light when a voltage is applied to its anode and a photovoltaic cell on its collector side that generates a voltage when exposed to the light from the LED. This voltage is then used to switch a transistor on and off.

The EL817(M)(B)-G optoisolator is primarily used in applications that require isolation of two circuits such as automotive ignition, instrumentation, radar, avionics, and communication systems. It is also used in medical equipment such as heart monitors and pacemakers to provide electrical isolation between two circuits to prevent interference. The EL817(M)(B)-G is also used in industrial motor control and process control applications, as well as many consumer electronic applications, including remote controls, thermostats, and audio equipment.

The working principle of the EL817(M)(B)-G optoisolator is fairly straightforward. When voltage is applied to its anode, it emits light which is then picked up by the photovoltaic cell on its collector. This in turn generates a voltage which is used to switch on a transistor. When the transistor is off, current cannot flow and the two circuits are effectively isolated from one another. When the voltage is removed, the photovoltaic cell stops generating a voltage and the transistor is turned off, thus isolating the two circuits again.

The advantages of utilizing the EL817(M)(B)-G optoisolator over other devices are its robustness, its small size as well as its relatively low power requirement when compared to other optoisolators. It is also highly reliable and can be used in a wide variety of applications. The EL817(M)(B)-G is also capable of operating over a wide temperature range, making it suitable for use in extreme conditions.

In conclusion, the EL817(M)(B)-G optoisolator is a versatile device that can be utilized in a number of applications that require electrical isolation between two circuits to prevent interference. It utilizes a light emitting diode and a photovoltaic cell to generate a voltage which is then used to switch on a transistor, thus isolating the two circuits. Its advantages include its robustness, its small size, its low power requirement and its wide temperature operating range.

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