The PS2703-1-F3-A is a single channel Optocoupler manufactured by Renesas. It is a surface mount device (SMD) that features a transistor output, an insulation voltage rating of up to 3.75 kV, and comes in a package size of 4-pin small outline package (SOP4). The optocoupler isolates an input from an output while transferring a signal between two circuits.