SFH610A-3

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Optoisolators, also sometimes referred to as optocouplers, are devices used to isolate one electrical circuit from another. The SFH610A-3 is an optoisolator in the transistor, photovoltaic output category, meaning it is designed to electrically isolate logic or I/O circuits. It uses a short body, low current version of the SFH610 optically coupled data transceiver to provide a high electrical isolation of up to 5 kV.

Application Fields

The SFH610A-3 is typically used in logic and I/O interfaces where low power is required. Some common applications of this device include motor control, sensor interfaces, communication interfaces, digital I/O, and more. It is also often used to reduce interference caused by electromagnetic emissions or surges within a system without interrupting normal communication.

Working Principle

The SFH610A-3 optoisolator works by using a light-sensitive semiconductor as a switch to pass signals between two separate circuits. It works by converting electrical signals from one circuit to light signals, which are then read by the other circuit. The light signals create a current in the photo-detector that is connected to the opposite circuit. This current is then converted back into electrical signals by the optoisolator. This way, the two circuits can transfer signals without any physical contact between them.

The optoisolator contains two leads, one on each side. The first lead is an input lead, which is responsible for receiving electrical signals from the primary circuit. These signals are then converted into light signals through the use of an LED. The second lead is an output lead, which is responsible for receiving the light signals from the LED and converting them back into electrical signals that can be read by the secondary circuit. This way, the two circuits can communicate without having to come into direct contact with each other.

The SFH610A-3 optoisolator is a high-speed data transceiver that utilizes pulse-width modulation (PWM) modulation and demodulation techniques to ensure reliable data transmission. The device also employs integrated circuits to ensure compatibility with 5V TTL and CMOS logic circuits. Additionally, the SFH610A-3 is fully compatible with power line communications systems.

The optoisolator is designed to operate in temperatures between -40℃ and +85℃, with a delay time of less than 7us and a rise and fall time of less than 1us. It is also RoHS compliant, meaning that it is designed to be used in environmentally-friendly applications.

Conclusion

The SFH610A-3 is a low input current, high isolation optoisolator that is commonly used to provide electrical isolation between two circuits. The optoisolator works by converting electrical signals to light signals which are then read by the opposite circuit. This allows the two circuits to communicate without having to come into direct contact with each other. The SFH610A-3 is also designed to operate in temperatures ranging from -40℃ and +85℃ and is fully compatible with 5V TTL/CMOS logic circuits. It is also RoHS compliant, making it suitable for environmentally-friendly applications.

The specific data is subject to PDF, and the above content is for reference