H11F3SR2M Isolators

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Optoisolators, also known as optically coupled isolators, are widely used components in electronics, used to isolate electrical circuits from each other. The H11F3SR2M is an optoisolator manufactured by Fujitsu, part of the company\'s opto-isolator family. This component is a transistor, photovoltaic output type optoisolator. It forms a transmission path between electronic components by using a light-emitting diode (LED) to transmit an electrical signal to a phototransistor.

H11F3SR2M Application Field This optoisolator is typically used in circuits that require the electrical isolation between components, such as in applications that involve power supplies or signal switching. Some of the applications for the H11F3SR2M include:

• Computer peripherals
• Data processing
• Lighting control
• Industrial automation
• Instrumentation
• Appliance control

H11F3SR2M Working Principle The H11F3SR2M optoisolator is composed of two main components: a light-emitting diode (LED) and a phototransistor. The LED is a semiconductor device which emits light when an electrical current passes through it. The phototransistor is a light-sensitive transistor that responds when exposed to light. When an electrical signal is applied to the input of the H11F3SR2M, the LED emits light which is then picked up by the phototransistor. The phototransistor converts the light into an electrical signal, which is then sent to the output of the optoisolator. The signal from the LED travels through a barrier, preventing direct electrical connection between the LED and phototransistor, which ensures the circuit is electrically isolated and protected. The H11F3SR2M optoisolator can block high levels of electrical noise, allowing the transfer of a clean signal from one circuit to the other.

The H11F3SR2M optoisolator, as part of Fujitsu\'s opto-isolator family, is a highly reliable component used in a wide range of applications. It is designed to provide electrical isolation and protection between two circuits, allowing it to transfer a clean and regulated signal. By using a light-emitting diode and phototransistor, the H11F3SR2M optoisolator is able to form a secure transmission path between two electrical components.

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