The OSCB4L3131A is an optocoupler from Optosupply. It is an insulation barrier with a pair of LEDs and an integrated detector mounted in a 4-pin plastic DIP package, providing 4kV of isolation, making it ideal for low-cost applications in a variety of electronic circuits, instruments and automotive. This optocoupler features low voltage drop, higher light output, low saturation voltage and low capacitance, making it ideal for telecommunications, motor drives and digital locks, as well as many other switching applications. The OSCB4L3131A is designed to meet the latest industrial standards, offering outstanding performance over temperature ranges of -40 ° to +105 °C.