H11A4SR2M

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Optoisolators - Transistor, Photovoltaic Output are used for a variety of applications, and H11A4SR2M is one of the most popular. This article will explore the application field and working principle of H11A4SR2M.

H11A4SR2M features two independent Darlington output pairs to interface signals from low-voltage and low-power control systems to higher voltage and high-power loads. This device has a wide range of application in automation systems, driving relay coils, LED indicators, and motor. Lower current draw and higher capacities of the device makes it well-suited for higher voltage operations, such as driving large motors and lighting control systems. It has a breakover current of 4mA and a total dynamic power dissipation of 5W at 25°C.

The contact ratings of H11A4SR2M are 200VAC/400VDC, making it suitable for a variety of circuits, and it typically utilizes a 5V-20V DC supply voltage to operate in an industrial environment. The device is available in different packages, such as axial leads, printed circuit boards, and chip on board. In addition, it also has a low breakover-current protection feature that protects the circuit from over-current.

The working principle of H11A4SR2M is of an opto-isolator. It features a light-sensitive semiconductor that contains a light source and a detector. The light source emits light to the detector, which in turn convert the light into electrical signals. These signals are then transmitted to the output side of the device, where it performs its function. The device utilizes a photovoltaic output to transform signals from low-voltage and low power signals to higher voltage and power supply.

The H11A4SR2M opto-isolator is used for various tasks, such as for driving relays, LED light devices, or controlling different motors. It can also provide a reliable interface between a microcontroller and a motor driver, and also for other various applications. Furthermore, the device’s high capability and low current draw make it well-suited for higher-voltage operations.

In conclusion, H11A4SR2M is a opto-isolator that uses a photovoltaic output to interface signals from low-voltage and low-power control systems to higher voltage and high-power loads. It has a wide range of application in various tasks, such as for driving relays, LED light devices, or controlling different motors. It has a breakover current of 4mA and a total dynamic power dissipation of 5W at 25°C. It is available in different packages, such as axial leads, printed circuit boards, and chip on board.

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