6N136SM

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Optoisolators, such as the 6N136SM, provide an efficient means of providing electrical isolation between high-voltage and low-voltage circuits. In order to understand the application field and working principle of the 6N136SM, it is necessary to first understand what Optoisolators are. An Optoisolator or optical coupling device is an electrical component that couples an electrical signal through the use of an optically coupled LED and a photoresistor. An optically coupled LED is a light emitting diode, which is used to convert electrical energy into light energy. The photoresistor is an active device that is used to transfer the received light energy into a current or voltage change in the circuit. By bridging the gap between the electrical signals from two isolated circuits, the optoisolator provides electrical isolation, which helps to protect against electric shock or equipment malfunction. An optoisolator is an indispensable tool for high-amperage, high-voltage applications, such as the 6N136SM.

The 6N136SM is a high-speed, high-voltage optoisolator, which is designed to provide up to 392V of isolation between the input and output terminals. The 6N136SM is typically used in applications such as motor control circuits, AC line control, and relay control. The device is available in both through-hole and surface-mount packages, making it suitable for a wide range of applications. The 6N136SM has a wide range of operating conditions, with a maximum forward voltage of 8V, a maximum reverse voltage of 12V, and a maximum operating temperature of +125 °C.

The 6N136SM works on the principle of a transistor, photovoltaic output. In this circuit, an LED is used to excite a photovoltaic device, such as a photodiode, which is then connected to a transistor. When the photodiode is excited by the LED, it begins to generate current which is then amplified by the transistor. This amplified current then flows through the collector, emitter, and base resistors, creating a voltage drop. This voltage drop is then fed back to the photodiode, thus forming a closed loop. This loop then provides electrical isolation between the two circuits.

In summary, the 6N136SM is a high-speed, high-voltage optoisolator which is typically used in applications such as motor control circuits, AC line control, and relay control. It works on the principle of a transistor, photovoltaic output, in which an LED is used to excite a photovoltaic device, such as a photodiode, which is then connected to a transistor. This loop then provides electrical isolation between the two circuits. The 6N136SM is available in both through-hole and surface-mount packages, making it suitable for a wide range of applications.

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