About this item

The PC817 SMD 4-Transistor Output Optocoupler is a compact and reliable component designed to provide electrical isolation between different parts of a system, ensuring safe and efficient signal transmission. Featuring a 4-pin SMD package, this optocoupler integrates an infrared LED and a phototransistor, allowing for the transfer of signals while maintaining electrical separation between circuits. With a collector current range of 10 to 20mA and a forward current of 50mA, the PC817 is suitable for various applications, including programmable controllers and facsimiles. It offers a reverse voltage of 6V and a total power dissipation of 200mW, ensuring stable performance under typical operating conditions. This optocoupler is ideal for use in communications and networking equipment, as well as in industrial applications where signal isolation is crucial for protecting sensitive components and reducing noise interference. Its small form factor and efficient design make it a versatile choice for both hobbyists and professionals working on electronic projects. Each pack contains five PC817 SMD optocouplers, providing ample components for prototyping, repairs, or bulk applications. Whether you're designing a new circuit or maintaining existing equipment, the PC817 offers a cost-effective solution for reliable signal isolation.