6N138S

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Optoisolators, also known as optocouplers, are a type of electronic component used to transfer electrical signals between two isolated circuits. The 6N138S is an optoisolator that has a transistor, photovoltaic output type, meaning it has a photovoltaic diode and a transistor built into the base package. It is used to transfer a signal from one side of an electrical system to another without electrical contact.

The 6N138S optoisolator is a 6-pin device that typically runs on up to 12 volts of power. It is a leadless device, meaning that none of the pins protrude from the device, but they are still accessible via 13 mil internal leads. The 6N138S has a 1.3 Amp continuous collector-emitter voltage and a 2.5 Volt emitter-base breakdown voltage, making it an effective and reliable transfer of signals.

The 6N138S optoisolator can be used in a variety of applications including, but not limited to, LED display drivers for logic boards, non-contacting alarm and warning systems, and pulse-width modulated control systems. It is also used in electronic switching applications, such as those found in motor controls and automotive electrical systems.

The working principle of the 6N138S optoisolator is based on the fact that when a light source is incident on the photovoltaic diode, it generates a small electrical current. This current is then passed through a transistor, which amplifies the current, making it capable of being used to control the output of the device. For this reason, the 6N138S is considered a transistor, photovoltaic output type optoisolator.

The working principle of the 6N138S can be simplified as follows: A light source illuminates the photovoltaic diode, creating a small electrical current. The current then passes through the transistor, which amplifies the current. The amplified current is then used to control the output of the device, making it an effective and reliable transfer of signals.

The 6N138S optoisolator is a versatile and reliable component in many applications. It has a 1.3 Amp continuous collector-emitter voltage and a 2.5 Volt emitter-base breakdown voltage, making it an effective and reliable transfer of signals. Additionally, its 6-pin, leadless design makes it easy to use, and it can run on up to 12 volts of power. Thus, the 6N138S optoisolator is an excellent choice for electronic switching applications, LED display drivers for logic boards, and non-contacting alarm and warning systems.

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