The EL357C with Optocouplers SOP-4 RoHS manufactured by Youtai is an integrated circuit that contains four independent GaAlAs light-emitting diode (LED) optocouplers which are housed in a standard Small Outline Package (SOP-4). This optocoupler provides electrical isolation between a logic signal and a power signal, making it suitable for use in applications such as DC-DC converters, motor control circuits, and other automotive systems. It features a high isolation voltage rating of 1500Vrms, low power consumption, high common-mode transient immunity, an operating temperature range of -40°C to +105°C, and compliant with the RoHS directive.