The EL816(C) is a 6-pin optocoupler manufactured by Everlight. It has a transistor as the output and is equipped with an optocoupler and a DC input. This optocoupler is designed to provide electrical isolation between digital circuits, power circuits, and bus lines. It is suitable for use in a variety of applications, including motor speed control, power supplies, instrumentation, and telecommunications. The EL816(C) has a CTR (current transfer ratio) of up to 100% at an input of 5 mA. It is UL recognized and CSA certified. This optocoupler has a high common mode transient immunity Rating of 1500V/us and a wide common mode range of 6 volts. It also offers a low saturation voltage of 0.1V at 5 mA output current.